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Cisco Converged Broadband Routers Hardware Installation Guide

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Online Insertion and Removal of Cards on the Cisco cBR

Verifying Status after an OIR

Summary of Contents for cBR Series

Page 1: ...rdware Installation Guide First Published 2015 03 25 Last Modified 2019 07 31 Americas Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 ...

Page 3: ...r 15 Cisco cBR 8 Converged Cable Access Router Supervisor 160G 15 Cisco cBR 8 Converged Cable Access Router Supervisor 250G 20 Interface Cards 25 DOCSIS MAC PHY Cards 26 DOCSIS MAC Cards 30 Power System 33 Fan Module 39 Cooling System of the Cisco cBR Chassis 40 Air Filter 41 Cisco IOS XE Software 41 NEBS Level 3 Compliance 42 How and What to Order 42 Prepare to Install 47 C H A P T E R 2 General ...

Page 4: ... the Cisco cBR in a Two Post Rack 63 Attaching the Cable Management Brackets 65 Attaching the Fiber or Cable Routing Guide on Chassis 66 Attaching a Chassis Ground Connection 70 Installing the Fan Module in Cisco cBR 73 C H A P T E R 4 Installing the Fan Module in the cBR Chassis 73 Installing the Power System in the Cisco cBR Chassis 77 C H A P T E R 5 Installing the Power Cassette Module in the ...

Page 5: ... 111 Installing the QSFP or QSFP28 Transceiver Modules in the Supervisor PIC 112 Installing the Supervisor Card in the Cisco cBR Chassis 115 Attaching the Optical Network Cable 119 Using the DTI Ports on the Supervisor PIC 120 Using the NME Ports on the Supervisor PIC 121 Using the Console Port on the Supervisor PIC 121 Using the Auxiliary Port on the Supervisor PIC 123 Cable Management for the Su...

Page 6: ...the Cisco cBR Chassis 170 Monitoring the Power System in the Cisco cBR Chassis 171 C H A P T E R 1 1 Monitoring the Power System in the Cisco cBR Chassis Using LEDs 171 Monitoring the Power System in the Cisco cBR Chassis Using CLI 173 Monitoring the Supervisor in the Cisco cBR Chassis 175 C H A P T E R 1 2 Monitoring the Supervisor 160G in the Cisco cBR Chassis Using LEDs 176 Monitoring the Super...

Page 7: ...om the Cisco cBR Chassis 204 Maintaining the Supervisor 250G 207 Removing the Supervisor Card from the Cisco cBR Chassis 207 Removing the QSFP or QSFP28 Transceiver Module from the Supervisor PIC 210 Removing the Supervisor PIC Cable Management Bracket 211 Removing the Supervisor PIC from the Cisco cBR Chassis 212 Maintaining the Interface Cards in the Cisco cBR Chassis 215 C H A P T E R 1 8 Maint...

Page 8: ...he Air Filter on a Card 235 Installing the Air Filter on a Card 237 Online Insertion and Removal of Cards on the Cisco cBR 249 C H A P T E R 2 1 About OIR 249 What Does an OIR Do 249 Guidelines for Performing an OIR 250 OIR on Cisco cBR 250 How Do I Perform an OIR 250 Verifying Status after an OIR 251 Troubleshooting the Cisco cBR 255 C H A P T E R 2 2 Troubleshooting the Fan Module in the Cisco c...

Page 9: ...IP over DOCSIS VDOC The advantage of Cisco cBR is the ability to support MPEG video and VDOC in the same platform allowing transition from MPEG to VDOC The Cisco cBR is a single device that manages the entire RF spectrum of the cable plant The Cisco cBR provides high speed data broadband and IP telephony services to residential and commercial subscribers using cable modems or digital set top boxes...

Page 10: ...an be split among several different upstream The following sections contain information about Upstream Data Path The following example describes the upstream data path 1 A request for service is generated by a subscriber The modem transmits the request as a series of packets to the Cisco CMTS on the upstream 2 The cable line card receives the packets on its upstream interface and forwards them to ...

Page 11: ...essor performs a forwarding information base FIB lookup and rewrite 1 The rewrite consists of a downstream header and 802 3 MAC header 2 The downstream header contains destination primary SID physical DS port number PHS rule index and some control bits and other fields 3 The packet is policed shaped and prepared for queueing Queueing is based on the priority of the queue and the state of the flow ...

Page 12: ...plane The front card modules plug into the Digital Midplane and the associated Physical Interface Card PIC plugs into the rear of the chassis All permanent connections to the Cisco cBR 8 chassis are made at the rear Figure 1 Chassis Front View Front Power Entry Bezel 3 Line Cards 1 Supervisor Cards 2 Cisco Converged Broadband Routers Hardware Installation Guide 4 What is a Cisco cBR Series Converg...

Page 13: ... 4 Line Card PIC 1 AC FPEM 5 Supervisor PIC 2 Fan Module 3 Figure 3 Chassis Rear View with DC FPEM Cisco Converged Broadband Routers Hardware Installation Guide 5 What is a Cisco cBR Series Converged Broadband Router Cisco cBR 8 Converged Broadband Router ...

Page 14: ...feeds or six AC Power Modules One Cisco cBR DC FPEM or one Cisco cBR AC FPEM Five Fan Modules Physical Description Table 1 Cisco cBR 8 Chassis Physical Description Summary Description Parameter 13RU 22 75 in 57 78 cm Height 17 45 in 44 32 cm without rack mounts 17 65 in 44 83 cm with rack mounts Width 28 075 in 71 3 cm Overall Depth 429 lb 195 kg maximum fully loaded Weight Front to back Airflow C...

Page 15: ...BR 8 chassis with optional cable management and rear door cable protection Figure 5 Overall Dimension Cisco cBR 8 Chassis Features Digital Midplane Cisco Converged Broadband Routers Hardware Installation Guide 7 What is a Cisco cBR Series Converged Broadband Router Physical Description ...

Page 16: ... that ships with the chassis includes rack mount rails These can be pre assembled in the rack to help slide the chassis into place An optional front mounted lifting handle is also available to help with chassis installation Rear Cable Connectivity All permanent facility cabling is on the rear of the chassis Connectors on the PICs provide connectivity to the front mounted Supervisors and line cards...

Page 17: ...Power Supply Modules Numbered from P10 the top fan module slot to P14 the bottom fan module slot Fan Modules Figure 6 Slot Numbering Front of the Chassis With AC Power Module Cisco Converged Broadband Routers Hardware Installation Guide 9 What is a Cisco cBR Series Converged Broadband Router Slot Numbering Physical and Logical ...

Page 18: ...is With DC Power Module Figure 8 Slot Numbering Rear of the Chassis With AC Power Module Cisco Converged Broadband Routers Hardware Installation Guide 10 What is a Cisco cBR Series Converged Broadband Router Slot Numbering Physical and Logical ...

Page 19: ...Secondary slot where the interface card resides Interface card Subslot 1 Secondary slot where the Supervisor card resides Supervisor card 0 to 7 Downstream controller port on the interface card Interface card downstream Port 0 to 15 Upstream controller port on the interface card Interface card upstream 0 to 7 For Ten Gigabit Ethernet ports Controller port on the Supervisor card Supervisor card Cis...

Page 20: ...oute and forwarding processor of the system and includes integrated backhaul capability Supervisor SUP Provides the supervisor physical interface to the facility located on these cards Supervisor PIC Provides the service side functionality such as DOCSIS Edge QAM EPON or other service blades Subscriber Side Interface Card SSI Card Provides the physical interface to the facility for the SSI Cards S...

Page 21: ... card slots Fan Module Table 5 Card Slot Pitch Definitions Quantity and Pitch Slot Type 2 in the front of chassis on a 2 75 pitch Supervisor Slots 2 in the rear of chassis on a 2 75 pitch Supervisor PIC Slots 8 in the front of chassis on a 1 48 pitch SSI Card Slots 8 in the rear of chassis on a 1 48 pitch SSI PIC Slots 6 power supply bays in the front of the chassis Power Cassette Module 1 in the ...

Page 22: ...0 SSI PIC Slots 170 Fan Module 150 Bus Bar Midplane Loss 7820 cBR 8 Total Power Allocation power to Bus Bar from FPEM 9000 cBR 8 Facility Power Requirement Table 8 Chassis System Module Overall Dimensional Envelopes Envelope Size width x height x depth Module 17 24 x 2 75 x 19 99 Supervisor Card 11 80 x 2 75 x 7 82 Supervisor PIC 17 24 x 1 48 x 19 99 SSI Card 11 80 x 1 48 x 7 82 SSI PIC 5 16 x 3 5...

Page 23: ...m and its controls The Supervisor supports Eight Ten Gigabit Ethernet backhaul interfaces 1 1 active standby redundancy Chassis management of the Cisco cBR including activation and initialization of the other cards selection and switch over of the active and standby cards image management and distribution logging facilities distribution of user configuration information DOCSIS Timing Interface DTI...

Page 24: ...ard Description Port The Supervisor Card has two type A USB ports These ports are used for connecting external memory sticks or flash drives to load configurations USB ports The Supervisor Card has one mini type B USB console port This port is an asynchronous EIA TIA 232 serial port used to connect a terminal to the Supervisor Card for local administrative access Console port Cisco Converged Broad...

Page 25: ... The maximum number of unicast and MQoS flows supported is 88268 If you are using the CBR CCAP SUP 60G Supervisor Card in Cisco IOS XE Release 3 15 0S the output of the show inventory command displays the CBR CCAP SUP 160G PID instead of the CBR CCAP SUP 60G PID Note CBR CCAP SUP 160G Supervisor Card with 160 Gbps forwarding capacity It supports a maximum of eight interface cards working in N 1 pr...

Page 26: ...rts 5 SFP ports 12 CM DTP port 6 Table 11 Physical Specifications of the Supervisor PIC Value Unit 7 82 in 19 86 cm Depth 11 8 in 29 97 cm Width 2 8 in 7 11 cm Height 6 lb 2 72 kg Maximum weight Cisco Converged Broadband Routers Hardware Installation Guide 18 What is a Cisco cBR Series Converged Broadband Router Cisco cBR 8 Converged Cable Access Router Supervisor 160G ...

Page 27: ... port is used for network management and is used to connect to a switch and the other port is reserved for future use NME ports The Supervisor PIC has one RJ 45 console port This port is an asynchronous EIA TIA 232 serial port used to connect a terminal to the Supervisor PIC for local administrative access Console port The Supervisor PIC has one auxiliary port This port is used to connect a termin...

Page 28: ...ns provide out of band system console and auxiliary ports USB and Ethernet ports for router configuration and maintenance etc Supervisor works together with SUP PIC offering below main features Provides up to 250Gbps Downstream and Upstream aggregated forwarding capacity Flexible data path interconnection between active and standby supervisors to support a total of 2x100G worth of active active ba...

Page 29: ...red I O door 2 USB ports 7 Plastic latch 3 Console port 8 Removable air filter 4 Table 13 Physical Specifications of the Supervisor Card Value Unit 19 98 in 50 7 cm Depth 16 27 in 41 3 cm Width 2 82 in 7 16 cm Height 26 lb 11 8 kg Maximum weight Table 14 Ports on the Supervisor Card Description Port The Supervisor Card has two type A USB ports These ports are used for connecting external memory st...

Page 30: ...n LED Power status LED PWR STAT RP status LED RP STAT RP active LED RP ACT FP status LED FP STAT FP active LED FP ACT iNSI active LED INSI ACT Alarm LED ALRM Replace LED RPLC Different Supervisor Cards cannot coexist on a Cisco cBR 8 router We recommend that you install the Supervisor Cards with the same capacity in the chassis to ensure proper redundancy support Important Supervisor PIC The Super...

Page 31: ...5 10G LED 13 CM DTP port 6 TOD port 7 Table 15 Physical Specifications of the Supervisor PIC Value Unit 8 1 in 20 6 cm Depth 11 79 in 29 9 cm Width 2 82 in 7 16 cm Height 3 44 lb 1 56 kg Maximum weight Cisco Converged Broadband Routers Hardware Installation Guide 23 What is a Cisco cBR Series Converged Broadband Router Cisco cBR 8 Converged Cable Access Router Supervisor 250G ...

Page 32: ... is used to connect to a switch and the other port is reserved for future use NME ports The Supervisor PIC has one RJ 45 console port This port is an asynchronous EIA TIA 232 serial port used to connect a terminal to the Supervisor PIC for local administrative access Console port The Supervisor PIC has one auxiliary port This port is used to connect a terminal server to the Supervisor PIC for veri...

Page 33: ...onnects to the interface line card This PIC provides the physical interface to the facility for the line card RF Protect PIC or Digital Protect PIC Provides connection of the redundant line card to the appropriate Through PIC Interface Line Card Blank Apart from the operational interface line cards an interface line card blank line card blank is installed in any empty unused line card slot to ensu...

Page 34: ...ysical Interface Card RF Through PIC or RF Protect PIC RF Interface Line Cards The Cisco cBR chassis supports the following RF Interface Line Cards DOCSIS MAC PHY SSI Card with two downstream D3 1 modules and one upstream D3 1 module installed PID CBR LC 8D31 16U31 DOCSIS MAC PHY SSI Card with one downstream D3 1 modules and one upstream D3 1 module installed PID CBR LC 4D31 16U31 DOCSIS MAC PHY S...

Page 35: ...cates if the card must be replaced REPLACE Downstream PHY Module Each interface line card supports two downstream PHY modules The Cisco cBR chassis supports the following downstream PHY module versions Downstream D3 0 supporting DOCSIS 3 0 PID CBR D30 DS MOD Downstream D3 1 supporting DOCSIS 3 1 PID CBR D31 DS MOD The Downstream D3 1 module has a green label on it Note The following limitations ar...

Page 36: ...pstream PHY module version that is all D3 0 or D3 1 modules The upstream D3 1 module is supported only with the Cisco IOS XE Release 3 18 0S and later releases If the upstream D3 1 modules are installed with the Cisco IOS XE Release 3 17 0S the upstream D3 1 modules will boot up but not function properly With the Cisco IOS XE Release 3 18 0S the upstream D3 1 module provides operational readiness ...

Page 37: ... 8 in 19 8 cm Depth 11 8 in 30 cm Width 1 5 inch 3 8 cm Height 5 lbs 2 26 kg Maximum Weight The RF Through PIC has the following ports Description Ports The RF Through PIC has eight 50 1200 MHz RF connector ports that provide downstream channel connectivity DS0 to DS7 Cisco Converged Broadband Routers Hardware Installation Guide 29 What is a Cisco cBR Series Converged Broadband Router DOCSIS MAC P...

Page 38: ...cy support for the N 1 high availability features to the RF Through PICs in the chassis It has only the LEDs on its faceplate It does not have the downstream and upstream ports Figure 16 RF Protect PIC DOCSIS MAC Cards A DOCSIS MAC line card is paired with an Digital Interface Card DPIC Digital Interface Line Cards The Cisco cBR chassis supports the following Digital Interface Line Cards DOCSIS MA...

Page 39: ...n 3 6cm Height 7 32 in 18 6cm with handle Depth 2 943lb 1 335kg Weight The DPIC supports Eight ten gigabit Ethernet SFP interfaces 80 gigabit non blocking switching architecture with 40 40 protection scheme Cisco SFP 10G SR S Cisco SFP 10G LR S Cisco SFP 10G ZR S Cisco SFP 10G ER S SFP 10G AOC3M optic modules MACSec and 1588 TC The faceplate of the Cisco DPIC has the following Optic Cable Clip Hel...

Page 40: ...odes At least two 4x10G interfaces via breakout cables 1x100G 1x100G interfaces with link layer redundancy QSFP 100GE LR QSFP 100GE SR QSFP 100GE SM SR QSFP 40G LR 4x10G mode QSFP 40G SR 4x10G mode QSFP 4X10G AOCxM 4x10G mode optic modules Backward compatible with SUP 60 SUP 160 and SUP 250 The faceplate of the 2x100G DPIC has the following Optic Cable Clip Helps route and manage the optic cables ...

Page 41: ...following modules Power Cassette Module AC or DC Facility Power Entry Modules FPEM AC or DC Power Modules The Cisco cBR power system supports Load sharing between the Power Modules N 1 redundancy for the DC power systems and N 1 or 1 1 redundancy for the AC power systems Online Insertion and Removal OIR The Cisco cBR 8 Converged Broadband Router cBR 8 supports One Power Cassette Module One FPEM Si...

Page 42: ...ules It is keyed with a corresponding FPEM to determine AC or DC support This module is installed in the front of the Cisco cBR chassis Figure 17 AC Power Cassette Module AC Power Module bay 2 Mounting flange 1 Figure 18 DC Power Cassette Module DC Power Module bay 2 Mounting flange 1 Table 22 Physical Specifications of the Power Cassette Module Value Unit AC Power Cassette Module 16 9 in 42 92 cm...

Page 43: ...ication from the Power Modules to the digital midplane Power interconnection from the Power Modules to the midplane bus bar The FPEM is installed in the rear of the Cisco cBR chassis It is field replaceable to allow the facility to change from AC to DC power or vice versa without replacing the chassis Figure 19 AC FPEM Starting from April 2018 Cisco ships the cBR8 router with AC FPEM VER 02 with n...

Page 44: ... LED 8 Power switch 3 DC Present LED 9 Terminal block cover 4 Terminal bolt 5 Table 23 Physical Specifications of the FPEM Value Unit AC FPEM 10 08 in 25 6 cm Depth 17 45 in 44 32 cm Width 3 85 in 9 78 cm Height 15 lb 6 8 kg Maximum weight DC FPEM Cisco Converged Broadband Routers Hardware Installation Guide 36 What is a Cisco cBR Series Converged Broadband Router Power System ...

Page 45: ...ch terminal block Power Module The Power Modules provide the power conversion filtering and conditioning from facility input power to the required 52 V midplane power that is used within the chassis Both AC and DC Power Modules are available depending on the facility input voltage These modules have internal fans for cooling The Power Modules are installed in the front of the Cisco cBR chassis Fig...

Page 46: ...m weight DC Power Module 16 94 in 43 02 cm Depth 4 in 10 16 cm Width 1 6 in 4 06 cm Height 6 lb 2 72 kg Maximum weight Both AC and DC Power Modules have the following LEDs Input power LED Power input status LED Output power LED Power output status LED Fault LED Fault status LED Cisco Converged Broadband Routers Hardware Installation Guide 38 What is a Cisco cBR Series Converged Broadband Router Po...

Page 47: ... the fans is set to the default number of revolutions per minute RPM in unsupervised mode The multi Fan Module cooling architecture permits only one fan failure at any time in any given Fan Module during normal operational conditions All the remaining fans are capable of changing to full speed operation to compensate for the failed fan or module Each fan bay has one hinged rear door and one slidin...

Page 48: ...n speeds based on the temperature of the air entering the chassis and the barometric pressure reported by the sensors in the Fan Modules Failure Responses and Fan Speed Variations The fan module will change speed based on the following conditions When communication with the Supervisor Card is lost both the fans in the Fan Module are set the 11 000 RPM default speed mode until communication is esta...

Page 49: ...air filter at least once a month or more often if required Do not clean and re use air filters They must be replaced when they are clogged or worn out You can remove and install an air filter when the Cisco cBR router is powered on and working Note Cisco IOS XE Software The Cisco cBR Series Converged Broadband Router Cisco cBR runs the Cisco IOS XE software which is stored on the Type II PCMCIA fl...

Page 50: ...S DC Power Module CBR PEM DC 6M DC FPEM CBR DC PWR TRAY DC Power Cassette Module CBR PS BLANK Power Module Blanks for empty Power Module bays CBR FAN ASSEMBLY Fan Module CBR CHASSI HANDLE Chassis Installation Handle optional Table 27 Ordering Information for Cisco cBR 8 Router Supervisor Part Number Product Description Cisco cBR 8 Supervisor Modules CBR SUP 250G Supervisor for cBR series 250G CBR ...

Page 51: ... SR4 S 100GBASE SR4 QSFP Transceiver MPO 100m over OM4 MMF QSFP 100G LR4 S 100GBASE LR4 QSFP Transceiver LC 10km over SMF QSFP 40G SR4 40GBASE SR4 QSFP Transceiver Module with MPO Connector QSFP 4X10G LR S QSFP 4x10G Transceiver Module SM MPO 10KM Enterprise Class QSFP 100G SM SR 100GBASE CWDM4 Lite QSFP Transceiver 2km over SMF 10 60C QSFP 4X10G AOC5M Cisco 40GBase AOC QSFP to 4 SFP Active Optica...

Page 52: ...m D3 1 modules and one Upstream D3 1 module CBR CCAP LC 40G R The cBR CCAP line card with no Downstream or Upstream modules CBR CCAP LC G2 R The cBR CCAP second generation Remote PHY Line Card CBR RF PIC cBR CCAP RF Through PIC Connectivity to the RF Plant CBR RF PROT PIC cBR CCAP Protect PIC for N 1 redundancy cBR DPIC 8X10G cBR CCAP Digital Through PIC cBR DPIC 2X100G cBR 8 2x100G Digital Physic...

Page 53: ...Modules CBR SUP 10G LIC 10G WAN license CBR SUP 100G LIC 100G WAN License Software Licenses For Cisco cBR 8 RF Line Cards CBR D30 DS LIC DOCSIS 3 0 Downstream License CBR D30 US LIC DOCSIS 3 0 Upstream License CBR LCRED LIC Line Card Redundancy Feature License CBR D31 US LIC DOCSIS 3 1 Upstream Exclusive License Software Licenses for Cisco cBR 8 Video CBR VIDEO LIC VOD SDV Downstream Video QAM Lic...

Page 54: ...Cisco Converged Broadband Routers Hardware Installation Guide 46 What is a Cisco cBR Series Converged Broadband Router How and What to Order ...

Page 55: ...tuations you may encounter during system installation so be alert Install your product in compliance with the national and local electrical codes In the United States this means the National Fire Protection Association NFPA 70 United States National Electrical Code In Canada Canadian Electrical Code part I CC22 1 In other countries International Electrotechnical Commission IEC 364 part 1 through p...

Page 56: ...fied personnel should be allowed to install replace or service this equipment Statement 1030 Warning Ultimate disposal of this product should be handled according to all national laws and regulations Statement 1040 Warning Warning Definition IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware...

Page 57: ...of your system components As you continue to work on your system periodically touch an unpainted metal surface on the computer chassis The following guidelines can prevent ESD damage Always use an ESD preventive wrist or ankle strap and ensure that it makes good skin contact Before removing a card from the chassis ensure that the chassis is grounded to the rack Handle line cards by the faceplate a...

Page 58: ...The electromagnetic pulse caused by lightning or other high energy phenomena can easily couple enough energy into unshielded conductors to destroy electronic devices If you have had problems of this sort in the past you may want to consult experts in electrical surge suppression and shielding Electrical Equipment Guidelines Before beginning any procedures requiring access to the chassis interior l...

Page 59: ...n weigh up to 430 lbs The chassis is not intended to be moved frequently Before you install the system ensure that your site is properly prepared so you can avoid having to move the chassis later to accommodate power sources and network connections You must use a hydraulic lift or forklift to move a fully populated chassis General Rack Installation Guidelines When planning your rack installation c...

Page 60: ...rea on the front right side of the chassis in front of the mounting ear and a small exhaust area on the rear left hand side Figure 24 Minimum Clearance Area Avoid placing the chassis in an overly congested rack or directly next to another equipment rack otherwise the heated exhaust air from the other equipment can enter the inlet air vents and cause a high temperature condition inside the router C...

Page 61: ...ial cable has a greater channel capacity than twisted pair cabling The distance and rate limits in the following descriptions are the IEEE recommended maximum speeds and distances for signaling however you can usually get good results at speeds and distances far greater than these For example the recommended maximum rate for V 35 is 2 Mbps but it is commonly used at 4 Mbps without any problems If ...

Page 62: ...Cisco Converged Broadband Routers Hardware Installation Guide 54 Prepare to Install Cabling Guidelines ...

Page 63: ...t or a two post rack unit The Cisco cBR 8 router is usually shipped fully loaded The fully configured system weighs approximately 430 lb You must remove the components from the chassis to make the chassis lighter for the rack installation Remove all power supplies supervisor cards line cards rear PIC cards and fan modules before rack mounting to reduce the weight to approximately 117 lb For instru...

Page 64: ...llation brackets in the accessory kit These brackets aid in installing a chassis into a 19 inch rack These brackets are used as a support base to vertically position and set the chassis before installing the rack mount screws Step 1 Determine the position in the rack where you want to mount the chassis If you are mounting more than one chassis in the rack start from the bottom or the center of the...

Page 65: ...sis Rack Mount Brackets Before installing the chassis in the rack you must install the rack mount brackets on each side of the chassis After you install the chassis rack mount brackets and mount the chassis in the rack the rear RF cable management brackets are installed on the chassis Note Attach the rack mounting brackets either in the front or the middle of the chassis Cisco Converged Broadband ...

Page 66: ...nd Equipment 2 Phillips torque screwdriver Step 1 Remove the rack mount brackets installed in the front of the chassis by unscrewing the M5 undercut flat head screws using a 2 Phillips torque screwdriver Step 2 Locate the threaded holes at the middle on the side of the chassis that align with the holes in the rack mount bracket Step 3 Install the 10 M5 undercut flat head screws to secure each rack...

Page 67: ... holes on each chassis rack mount bracket that align with the chassis lifting handle captive screw holes Step 2 Align and hold the chassis lifting handle screw holes with the M5 threaded holes Insert the captive screws and tighten them using a 2 Phillips screwdriver Ensure that the captive screws are tightly secured before loading the handles to prevent injury or damage to the chassis Caution Cisc...

Page 68: ...lation in the rack What to do next Install the Cisco cBR 8 router in the rack Installing the Cisco cBR 8 in a Rack You can install the chassis in either a four post rack unit or a two post rack unit Before you begin 1 Verify rack dimensions 2 Install chassis installation brackets 3 Attach the chassis rack mount brackets Cisco Converged Broadband Routers Hardware Installation Guide 60 Installing th...

Page 69: ...he entire chassis Rack mount the chassis by securing the rack mount brackets to two posts or mounting strips in the rack Step 1 Installing the Cisco cBR in a Four Post Rack Step 1 Ensure that all screw fasteners on the installed components are securely tightened on the chassis Step 2 Ensure that your path to the rack is unobstructed If the rack is on wheels ensure that the brakes are engaged or th...

Page 70: ...d person moves to the rear of the rack to slide it into place and hold the weight while the rack mount screws are tightened Step 5 Position the chassis until the rack mounting flanges are flush against the mounting rails on the rack Cisco Converged Broadband Routers Hardware Installation Guide 62 Installing the Cisco cBR Chassis Installing the Cisco cBR in a Four Post Rack ...

Page 71: ...bracket on both sides of the chassis Remove the chassis installation handle before installing the fourth screw Note What to do next If necessary remove the chassis installation brackets after ensuring that all screws are tightly secured to the rack unit Attach the cable management bracket Installing the Cisco cBR in a Two Post Rack You can install the Cisco cBR chassis in a two post 19 inch 48 26 ...

Page 72: ...o large side handles You can also use the handles at the rear Power entry area or by placing your hands under the chassis Step 5 After the rear weight of the chassis is resting on the installation bracket one person can hold it in place while the second person moves to the rear of the rack to help slide it into place and hold the weight while the rack mount screws are tightened Step 6 Position the...

Page 73: ...on that allows installation and removal of cables and modules in the rear of the chassis Each RF cable management bracket for the Cisco cBR chassis contains four independent U type cable management provisions with two captive screws for attaching to the chassis and provides cable dressing of each RF PIC cardslot Before you begin Required Tools and Equipment 2 Phillips torque screwdriver Cisco Conv...

Page 74: ...ement captive screws when using a 2 Phillips torque screwdriver Torque must not exceed 7 in lb Note Figure 32 Installing the Cable Management Brackets Attaching the Fiber or Cable Routing Guide on Chassis The fiber or cable routing accessories are made up of the following components 2 strap down clips 4 snap on plastic fiber or cable routing guides With upper slot for fiber and lower slot for copp...

Page 75: ...n clips 4 snap on plastic cable routing guides Step 1 Insert the four knurled retaining screws on the side of the chassis and tighten them using a T15 Torx driver up to a torque of 6 to 8 in lb If the screw location is not accessible for a driver you can tighten the knurled screws by hand Knurled retaining screws 1 Cisco Converged Broadband Routers Hardware Installation Guide 67 Installing the Cis...

Page 76: ...r strap down clip Step 4 Attach the snap on plastic guides on the strap down clip as necessary Ensure that the orientation of the fiber or cable routing guide is proper by placing the smaller slot used for fiber on the top Note Cisco Converged Broadband Routers Hardware Installation Guide 68 Installing the Cisco cBR Chassis Attaching the Fiber or Cable Routing Guide on Chassis ...

Page 77: ...ble Routing Guide 2 Strap Down Clip 1 Figure 33 Chassis with Strap Down Clips Cisco Converged Broadband Routers Hardware Installation Guide 69 Installing the Cisco cBR Chassis Attaching the Fiber or Cable Routing Guide on Chassis ...

Page 78: ...ound earth connection for the chassis A chassis ground connector is available on each Cisco CBR 8 chassis The grounding wire is always the first to be installed or connected and the last to be removed or disconnected Caution Required Tools and Equipment Phillips Screwdriver 20 Phillips pan head with a square cone lock washer available in the accessory kit 2 hole 4 AWG dual crimp compression lug av...

Page 79: ...n until the grounding lug is held firmly to the chassis The captive nuts are available on the rear lower left side of the chassis for attaching a two hole ground lug In addition three nuts are available for attaching so that you can mount the lug horizontally or vertically depending on the wire routing preferences Note Step 6 Connect the opposite end of the grounding wire to the appropriate ground...

Page 80: ...unding lug horizontally as in the figure or vertically depending on the site preference Cisco Converged Broadband Routers Hardware Installation Guide 72 Installing the Cisco cBR Chassis Attaching a Chassis Ground Connection ...

Page 81: ...from the front to the rear of the chassis Air enters through the chassis front panel Additionally a small air inlet area is on the front right side in front of the mounting ear Air is expelled from the rear of the chassis and a small exhaust area on the rear left side The keep out areas are defined to ensure adequate space around the Cisco cBR 8 chassis The space is necessary to ensure adequate ai...

Page 82: ...Card allows it Required Tools and Equipment Flat blade torque screwdriver Fan Module cBR FAN ASSEMBLY Step 1 Using both hands grip the top and the bottom of the front of the Fan Module Align the fan module in the chassis slot and push firmly to open hinged door Continue sliding until the Fan module flanges reach the chassis flange Cisco Converged Broadband Routers Hardware Installation Guide 74 In...

Page 83: ...6 8 in lb 0 67 0 90 Nm torque Note What to do next Visually check if the fans are working If the RPLC LED on the Fan Module faceplate is illuminated see Troubleshooting the Fan Assembly section for corrective action Cisco Converged Broadband Routers Hardware Installation Guide 75 Installing the Fan Module in Cisco cBR Installing the Fan Module in the cBR Chassis ...

Page 84: ...Cisco Converged Broadband Routers Hardware Installation Guide 76 Installing the Fan Module in Cisco cBR Installing the Fan Module in the cBR Chassis ...

Page 85: ... Power Cassette Module installed You may need to install the Power Cassette Module to swap the power system of the chassis Before you begin When you install the module the chassis ground connection must always be made first and disconnected last Statement 1046 Warning Be aware of the weight and size of the equipment Handle it with care Required Tools and Equipment 3 16 flat blade torque screwdrive...

Page 86: ...the chassis mounting flanges using a T10 Torx torque screwdriver Step 3 Slide the Power Cassette Module into the slot in the chassis until the mounting flanges are fully seated Cisco Converged Broadband Routers Hardware Installation Guide 78 Installing the Power System in the Cisco cBR Chassis Installing the Power Cassette Module in the Cisco cBR Chassis ...

Page 87: ... flat blade torque screwdriver with a torque of 5 7 in lb 0 56 0 79 Nm to secure the bezel What to do next Install the FPEM Install the Power Modules Installing the FPEM in the Cisco cBR Chassis The chassis ships with the FPEM installed You may need to install the FPEM to swap the power system of the chassis Use this procedure to install the following modules in the chassis AC FPEM DC FPEM Cisco C...

Page 88: ...rx head screws located on the chassis mounting flanges using a T10 Torx torque screwdriver Step 2 Carefully slide the FPEM into the slot using the two handles applying even pressure to both the handles until the FPEM is fully seated in the chassis To prevent damage to the midplane connectors do not use excessive force when inserting the FPEM into the slot Caution Figure 40 Installing the FPEM in t...

Page 89: ...wire it for less than 9 KW power you may need to add more power modules while adding new hardware or upgrading the existing hardware Important If you are adding new hardware or upgrading the existing hardware ensure that the power modules installed in the chassis are adequate to support the hardware Warning Install the Power Cassette Module Attach an ESD preventive wrist strap to your wrist and co...

Page 90: ...is Front power entry bezel 2 Screw 1 Step 2 Carefully slide Power Module into the bay until it mates with the FPEM connectors To prevent damage to the FPEM connectors do not use excessive force when inserting the Power Module into the bay Caution Cisco Converged Broadband Routers Hardware Installation Guide 82 Installing the Power System in the Cisco cBR Chassis Installing the Power Module in the ...

Page 91: ...rt and tighten the two screws using a 3 16 flat blade torque screwdriver with a torque of 5 7 in lb 0 56 0 79 Nm to secure the bezel What to do next For an AC powered Cisco cBR chassis connect the AC power For an DC powered Cisco cBR chassis connect the DC power If all the interfaces and other cables are connected power up the Cisco cBR chassis Verify that the input power LED on the Power Module i...

Page 92: ...typical 70C used on the C19 C20 Connector Inlet Poles Wires Rated Current North America Rated Current International Configuration Female Male C21 C22 2 3 125 250 V 16 A 250 V 16 A Value Description Up to six AC Power Modules per system 3400 VA facility input Total AC input power per AC Power Module 200 240 VAC nominal range 180 to 264 VAC 220 240 VAC UK Rated input voltage per AC Power Module 50 6...

Page 93: ...cord to the AC source receptacle Step 5 Repeat Step 2 on page 85 to Step 4 on page 85 for all power connections What to do next If all the interfaces and other cables are connected power up the Cisco cBR chassis Connecting Power to the DC Powered Cisco cBR Chassis The terminal block covers are an integral part of the safety design of the product Do not operate the unit without the covers installed...

Page 94: ...egin Attach the Chassis Ground Connection Install the DC Power Cassette Module Install the DC FPEM Install the DC Power Modules The color coding of the DC input power supply leads depends on the color coding of the DC power source at your site Typically green or green yellow is used for ground GND black is used for 48V on negative terminal and red is used for RTN on the positive terminal Ensure th...

Page 95: ...the area where DC input power is accessible must be properly insulated Therefore before installing the DC cable lugs ensure to insulate the lugs according to the manufacturer s instructions Before installing the DC cable lugs insulate the entire 90 degree portion of the lugs where the wire is crimped to avoid hazardous conditions where DC input power is accessible through the terminal block cover ...

Page 96: ...olts using a torque wrench and 7 16 hex socket with a torque of 45 50 in lb 5 08 5 65 Nm Step 7 Repeat Step 5 on page 88 and Step 6 on page 88 for each terminal block connection Step 8 Reinstall the terminal block covers by clipping them on the top edge of the terminal block housing and then rotating them down until they snap into place What to do next If all the interfaces and other cables are co...

Page 97: ...in the Cisco cBR Chassis Perform this procedure to install the following PICs Supervisor PIC Blank PIC for the Supervisor Before you begin If you are adding a new Supervisor PIC or upgrading the existing Supervisor PICs ensure that the power modules installed in the chassis are adequate to support the Supervisor PICs Warning Attach an ESD preventive wrist strap to your wrist and connect the other ...

Page 98: ...ide the PIC into the slot applying even pressure using both your hands until it is within an inch of full insertion Step 4 Open the ejector levers and fully insert the PIC into the slot applying even pressure on both sides until it mates with the midplane connectors To prevent damage to the midplane connectors do not use excessive force when inserting the PIC into the slot Caution Figure 45 Insert...

Page 99: ...alling the Supervisor PIC Cable Management Bracket The Supervisor PIC cable management bracket is shipped separately in the chassis accessory kit It has a smaller slot for fiber optic cables and a larger slot for the RJ 45 cables Before you begin Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Install the Supervisor PIC rec...

Page 100: ...secure the Supervisor PIC cable management bracket What to do next Install the chassis mounted fiber cable routing guide if not already installed Route the Supervisor PIC cables through the Supervisor PIC cable management bracket and chassis mounted fiber cable routing guide Installing the SFP Modules in the Supervisor PIC Before you begin Do not install or remove the SFP module with fiber optic c...

Page 101: ...ail clasp with clasp tab 2 Step 2 Check the label on the SFP module to verify that you have the correct model for your network Step 3 Find the send TX and receive RX markings that identify the top side of the SFP module On some SFP modules the TX and RX marking might be replaced by arrowheads pointing from the SFP module connector transmit direction or TX and towards the connector receive directio...

Page 102: ...pervisor Card in the Cisco cBR Chassis Perform this procedure to install the following cards Supervisor Card Blank card for the Supervisor Before you begin If you are adding a new Supervisor Card or upgrading the existing Supervisor Cards ensure that the power modules installed in the chassis are adequate to support the Supervisor Cards Warning Attach an ESD preventive wrist strap to your wrist an...

Page 103: ...rews Figure 50 Loosening the Captive Screws on the Supervisor Card Step 2 Pull the spring loaded ejectors on the card until they release and are perpendicular to the faceplate Step 3 Grasp the faceplate of the card with one hand and place your other hand under the card to support its weight Step 4 Carefully align the support rails on the card with the rails in the appropriate slot Step 5 Slide and...

Page 104: ...ectors towards the faceplate until they make contact with the faceplate Figure 52 Closing the Spring Loaded Ejectors on the Supervisor Card Cisco Converged Broadband Routers Hardware Installation Guide 96 Installing the Supervisor in the Cisco cBR Chassis Installing the Supervisor Card in the Cisco cBR Chassis ...

Page 105: ...rd Do not remove the protective dust plugs on the unplugged fiber optic cable connectors and the SFP optical bores until you are ready to make a connection Required Tools and Equipment Fiber optic cable with the LC connector Step 1 Remove the dust plugs from the network interface cable LC connectors Save the dust plugs for future use Step 2 Inspect and clean the LC connector end faces Step 3 Remov...

Page 106: ...urce DTI server Step 1 Connect one end of the RJ 45 cable to the DTI port on the Supervisor PIC Figure 55 DTI Port Connection on the Supervisor PIC Step 2 Connect the other end of the RJ 45 cable to the to the DTI server as a reference clock source What to do next Route the RJ 45 cable through the Supervisor PIC cable management bracket and chassis mounted fiber cable routing guide Cisco Converged...

Page 107: ...visor PIC cable management bracket and chassis mounted fiber cable routing guide Using the Console Port on the Supervisor PIC The console port provides local administrative access to the router and its command line interface CLI Before you begin Install the Supervisor PIC Install the Supervisor Card Restrictions Each Supervisor PIC must have a console port connection when running a redundant confi...

Page 108: ...on the PC or terminal Step 4 Power up the PC or terminal Step 5 Configure the PC terminal emulation software or the terminal with the following settings 9600 baud 8 data bits No parity generation or checking 1 stop bit No flow control What to do next Route the cable through the Supervisor PIC cable management bracket and chassis mounted fiber cable routing guide Connect a terminal server to the au...

Page 109: ...ort on the Supervisor PIC Figure 59 Auxiliary Port Connection on the Supervisor PIC Step 2 Connect the other end of the RJ 45 cable to the RJ 45 to DB 9 adapter Figure 60 Connecting an RJ 45 to DB 9 Adapter Step 3 Connect the RJ 45 to DB 9 adapter to the appropriate serial port on the terminal server What to do next Route the cable through the Supervisor PIC cable management bracket and chassis mo...

Page 110: ...ing guides as necessary based on the cable routing preference Connect the cables to the appropriate ports on the Supervisor PIC Required Tools and Equipment Cable ties Step 1 Perform the following for the fiber optic cables connected to the Supervisor PIC If you are using a chassis mounted snap on plastic fiber cable routing guide route the fiber optic cables through the upper slot of the snap on ...

Page 111: ...on plastic fiber cable routing guides 1 Fiber optic cable bundle 2 Figure 62 Routing the Fiber Optic Cables Connected to the Supervisor PIC Option 2 Cisco Converged Broadband Routers Hardware Installation Guide 103 Installing the Supervisor in the Cisco cBR Chassis Cable Management for the Supervisor PIC in the Cisco cBR Chassis ...

Page 112: ...t of the snap on plastic fiber cable routing guide and then through the lower slot of the Supervisor PIC cable management bracket Secure the cable bundle using cable ties If you are using a chassis mounted cable strap down clip without the snap on plastic fiber cable routing guide route the RJ 45 cables through the lower slot of the Supervisor PIC cable management bracket Secure the cable bundle t...

Page 113: ...ap on plastic fiber cable routing guides 1 RJ 45 cable bundle 2 Figure 65 Routing the RJ 45 Cables Connected to the Supervisor PIC Option 2 Cisco Converged Broadband Routers Hardware Installation Guide 105 Installing the Supervisor in the Cisco cBR Chassis Cable Management for the Supervisor PIC in the Cisco cBR Chassis ...

Page 114: ...102 and Step 2 on page 104 for the cables connected to the each Supervisor PIC Using the USB Port on the Supervisor Card Before you begin Install the Supervisor PIC Install the Supervisor Card Restrictions The USB ports on the Supervisor Card are used for temporary connections For all permanent connections you must use the ports on the Supervisor PIC Required Tools and Equipment Cisco Converged Br...

Page 115: ...ve to the USB Port Using the Console Port on the Supervisor Card Before you begin Install the Supervisor PIC Install the Supervisor Card Restrictions When running a redundant configuration in the chassis each Supervisor Card or Supervisor PIC must have a console port connection The console port on the Supervisor Card is for temporary connections For permanent console connection you must use the po...

Page 116: ...eleased from the spring loaded ejector Figure 69 Opening the Tethered I O Door on the Supervisor Card Tethered I O door 1 Step 2 Connect the mini type B USB connector of the console cable to the console port on the Supervisor Card Figure 70 Console Port Connection on the Supervisor Card Console cable with mini type B USB connector on one end and a type A USB connector on the other end 2 Mini type ...

Page 117: ... install the following PICs Supervisor PIC Blank PIC for the Supervisor Do not support mix use of 250G and 160G SUP and SUP PIC Note Before you begin If you are adding a new Supervisor PIC or upgrading the existing Supervisor PICs ensure that the power modules installed in the chassis are adequate to support the Supervisor PICs Warning Attach an ESD preventive wrist strap to your wrist and connect...

Page 118: ...ide the PIC into the slot applying even pressure using both your hands until it is within an inch of full insertion Step 4 Open the ejector levers and fully insert the PIC into the slot applying even pressure on both sides until it mates with the midplane connectors To prevent damage to the midplane connectors do not use excessive force when inserting the PIC into the slot Caution Figure 71 Insert...

Page 119: ...nstalled Installing the Supervisor PIC Cable Management Bracket The Supervisor PIC cable management bracket is shipped separately in the chassis accessory kit It has a smaller slot for fiber optic cables and a larger slot for the RJ 45 cables Before you begin Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Install the Super...

Page 120: ... to do next Install the chassis mounted fiber cable routing guide if not already installed Route the Supervisor PIC cables through the Supervisor PIC cable management bracket and chassis mounted fiber cable routing guide Installing the QSFP or QSFP28 Transceiver Modules in the Supervisor PIC The 40 Gigabit GE QSFP and 100 Gigabit QSFP28 transceiver module is a hot swappable parallel fiber optical ...

Page 121: ...le latching properly into its socket connector Disconnect all cables before removing or installing an QSFP28 module Caution The QSFP or QSFP28 transceiver module is a static sensitive device Always use an ESD wrist strap or similar individual grounding device when handling QSFP or QSFP28 transceiver modules or coming into contact with system modules Caution Attach an ESD preventive wrist strap to ...

Page 122: ... QSFP28 transceiver modules equipped with a bail clasp latch keep the bail clasp aligned in a vertical position Step 7 Align the QSFP or QSFP28 transceiver module in front of the module s transceiver socket opening and carefully slide the QSFP or QSFP28 transceiver into the socket until the transceiver makes contact with the socket electrical connector see the figure below Figure 75 Installing the...

Page 123: ... QSFP28 module is seated and latched properly Grasp the QSFP or QSFP28 module and try to remove it without releasing the latch If the QSFP or QSFP28 module cannot be removed it is installed and seated properly If the QSFP or QSFP28 module can be removed reinstall it Connect fiber optic cable to the QSFP or QSFP28 port Installing the Supervisor Card in the Cisco cBR Chassis Perform this procedure t...

Page 124: ...ding to the Supervisor PIC In the Cisco cBR 8 router Slot 4 1 for the Supervisor PIC corresponds to slot SUP0 for the Supervisor Card Slot 5 1 for the Supervisor PIC corresponds to slot SUP1 for the Supervisor Card Note Required Tools and Equipment ESD preventive wrist strap Supervisor Card or blank card for the Supervisor 3 16 flat blade torque screwdriver Step 1 Loosen the captive screws on the ...

Page 125: ...t applying even pressure using both your hands until it mates with its midplane connectors To prevent damage to the midplane connector do not use excessive force when inserting the card into the slot Caution Figure 78 Inserting the Supervisor Card into the Chassis Step 6 Simultaneously pivot both the spring loaded ejectors towards the faceplate until they make contact with the faceplate Cisco Conv...

Page 126: ...2 lb in 1 12 1 36 Nm to secure the card What to do next If you are using a single Supervisor Card install a blank card for the Supervisor in the empty slot Connect memory stick or flash drive to use the USB port if required Connect cable to use the console port if required Cisco Converged Broadband Routers Hardware Installation Guide 118 Installing the Supervisor in the Cisco cBR Chassis Installin...

Page 127: ... push on MPO connectors on the optical QSFP or QSFP28 transceivers support network interface cables with either physical contact PC or ultra physical contact UPC flat polished face types The MPO connectors on the optical QSFP or QSFP28 transceivers do not support network interface cables with an angle polished contact APC face type Note Step 1 Remove the dust plugs from the optical network interfa...

Page 128: ...ervisor PIC Before you begin Install the Supervisor PIC Install the Supervisor Card Required Tools and Equipment RJ 45 cable Clock source DTI server Step 1 Connect one end of the RJ 45 cable to the DTI port on the Supervisor PIC Figure 82 DTI Port Connection on the Supervisor PIC Cisco Converged Broadband Routers Hardware Installation Guide 120 Installing the Supervisor in the Cisco cBR Chassis Us...

Page 129: ...e end of the RJ 45 cable to the NME port on the Supervisor PIC Figure 83 NME Port Connection on the Supervisor PIC Step 2 Connect the other end of the RJ 45 cable to a switch What to do next Route the RJ 45 cable through the Supervisor PIC cable management bracket and chassis mounted fiber cable routing guide Using the Console Port on the Supervisor PIC The console port provides local administrati...

Page 130: ... the Supervisor PIC Step 2 Connect the other end of the RJ 45 cable to the RJ 45 to DB 9 adapter Figure 85 Connecting an RJ 45 to DB 9 Adapter Step 3 Connect the RJ 45 to DB 9 adapter to the appropriate serial port on the PC or terminal Step 4 Power up the PC or terminal Step 5 Configure the PC terminal emulation software or the terminal with the following settings 9600 baud 8 data bits No parity ...

Page 131: ... command line interface CLI Before you begin Install the Supervisor PIC Install the Supervisor Card Required Tools and Equipment RJ 45 cable RJ 45 to DB 9 adapter Terminal server Step 1 Connect one end of the RJ 45 cable to the auxiliary port on the Supervisor PIC Figure 86 Auxiliary Port Connection on the Supervisor PIC Step 2 Connect the other end of the RJ 45 cable to the RJ 45 to DB 9 adapter ...

Page 132: ...nd fiber cable routing guide for routing the cables connected to the lower Supervisor PIC The strap down clips have multiple uses They can be used to strap down cable bundles or conduit there are multiple tie down points on each strap down clip as a base for two snap on plastic fiber cable routing guides Before you begin Install the Supervisor PIC Install the Supervisor PIC cable management bracke...

Page 133: ...pper slot of the Supervisor PIC cable management bracket Secure the cable bundle to the upper tie down point on the strap down clip using a cable tie The following figures illustrate the possible cable routing options for the fiber optic cables connected to the Supervisor PIC Figure 88 Routing the Fiber Optic Cables Connected to the Supervisor PIC Option 1 Supervisor PIC cable management bracket 3...

Page 134: ... bracket 4 Strap down clips 1 Snap on plastic fiber cable routing guides 5 Fiber optic cable bundle in flexible conduit 2 Cable tie 3 Cisco Converged Broadband Routers Hardware Installation Guide 126 Installing the Supervisor in the Cisco cBR Chassis Cable Management for the Supervisor PIC in the Cisco cBR Chassis ...

Page 135: ... of the Supervisor PIC cable management bracket Secure the cable bundle using cable ties If you are using a chassis mounted cable strap down clip without the snap on plastic fiber cable routing guide route the RJ 45 cables through the lower slot of the Supervisor PIC cable management bracket Secure the cable bundle to the lower tie down point on the strap down clip using a cable tie The following ...

Page 136: ...ap on plastic fiber cable routing guides 1 RJ 45 cable bundle 2 Figure 92 Routing the RJ 45 Cables Connected to the Supervisor PIC Option 2 Cisco Converged Broadband Routers Hardware Installation Guide 128 Installing the Supervisor in the Cisco cBR Chassis Cable Management for the Supervisor PIC in the Cisco cBR Chassis ...

Page 137: ...102 and Step 2 on page 104 for the cables connected to the each Supervisor PIC Using the USB Port on the Supervisor Card Before you begin Install the Supervisor PIC Install the Supervisor Card Restrictions The USB ports on the Supervisor Card are used for temporary connections For all permanent connections you must use the ports on the Supervisor PIC Required Tools and Equipment Cisco Converged Br...

Page 138: ...ve to the USB Port Using the Console Port on the Supervisor Card Before you begin Install the Supervisor PIC Install the Supervisor Card Restrictions When running a redundant configuration in the chassis each Supervisor Card or Supervisor PIC must have a console port connection The console port on the Supervisor Card is for temporary connections For permanent console connection you must use the po...

Page 139: ...eleased from the spring loaded ejector Figure 96 Opening the Tethered I O Door on the Supervisor Card Tethered I O door 1 Step 2 Connect the mini type B USB connector of the console cable to the console port on the Supervisor Card Figure 97 Console Port Connection on the Supervisor Card Console cable with mini type B USB connector on one end and a type A USB connector on the other end 2 Mini type ...

Page 140: ...is different from SUP160 shown as below 10GE interface 100GE interface Te4 1 2 Te4 1 9 Hu4 1 0 Hu4 1 1 SUP4 Te5 1 2 Te5 1 9 Hu5 1 0 Hu5 1 1 SUP5 Therefore we recommend the user to copy the SUP160 configuration out to the server and edit the SUP160 configuration manually before copy back to the SUP250 a Replace the card type sup pic 8x10g with sup pic 2x100g 8x10g on both card 4 1 and 5 1 card 0 0 ...

Page 141: ...screw Step 9 Insert another SUP250 PIC into the slot 5 on the front side of the chassis and tighten the hook screw Step 10 Insert the 1 to 4 breakout fibers into the QSFP module on SUP in slot 4 and slot 5 respectively Step 11 Connect all the cables into the new SUP250 PIC and SUP250 board on slot 4 and slot 5 Step 12 Power on the chassis Step 13 Log in the active SUP via the active console port a...

Page 142: ...71024 133607 v167_throttle nobackup mcgourtm v167_throttle_ece2 103 Copyright c 1986 2017 by Cisco Systems Inc Compiled Tue 24 Oct 17 12 43 by mcgourtm BOOT bootflash cbrsup universalk9 BLD_V167_THROTTLE_LATEST_20171019_050605 SSA bin 12 CONFIG_FILE Configuration register 0x2102 Peer Processor Information Standby Location slot 5 Current Software state STANDBY HOT Uptime in current state 1 day 23 h...

Page 143: ...below 10GE interface 100GE interface Te4 1 2 Te4 1 9 Hu4 1 0 Hu4 1 1 SUP4 Te5 1 2 Te5 1 9 Hu5 1 0 Hu5 1 1 SUP5 Therefore we recommend the user to copy the SUP160 configuration out to the server and edit the SUP160 configuration manually before copy back to the SUP250 a Replace the card type sup pic 8x10g with sup pic 2x100g 8x10g on both card 4 1 and 5 1 card 0 0 cBR CCAP LC 40G card 1 0 cBR CCAP ...

Page 144: ...rict priority cdp enable service policy output parent egress to core channel group 11 mode active end interface HundredGigE5 1 0 mtu 2000 no ip address load interval 30 plim qos input map ip dscp based plim qos input map ip dscp 40 queue strict priority plim qos input map mpls exp 5 queue strict priority cdp enable service policy output parent egress to core channel group 10 mode active end interf...

Page 145: ...the hook screw Step 9 Insert another SUP250 PIC into the slot 5 on the front side of the chassis and tighten the hook screw Step 10 Connect the 100G QSFP on SUP slot 4 and slot 5 respectively Step 11 Power on the chassis Step 12 Log in the active SUP via the active console port and log in the standby SUP via the standby console port both boards should be in rommon mode Send break and make sure the...

Page 146: ...1024 133607 v167_throttle nobackup mcgourtm v167_throttle_ece2 103 Copyright c 1986 2017 by Cisco Systems Inc Compiled Tue 24 Oct 17 12 43 by mcgourtm BOOT bootflash cbrsup universalk9 BLD_V167_THROTTLE_LATEST_20171019_050605 SSA bin 12 CONFIG_FILE Configuration register 0x2102 Peer Processor Information Standby Location slot 5 Current Software state STANDBY HOT Uptime in current state 1 day 23 ho...

Page 147: ...nnection by ping the peer device Step 27 Check the system health and service with the following commands show version show platform show platform diag show environment show cable modem summary total show processes cpu sorted show logging Cisco Converged Broadband Routers Hardware Installation Guide 139 Installing the Supervisor in the Cisco cBR Chassis Swap the Supervisor ...

Page 148: ...Cisco Converged Broadband Routers Hardware Installation Guide 140 Installing the Supervisor in the Cisco cBR Chassis Swap the Supervisor ...

Page 149: ...C RF Protect PIC RF PIC Blank card To use the RF HA features install the Protect PIC When HA must be configured ensure that the Protect or Through PICs are installed in consecutive slots with the Protect PIC being installed in the uppermost PIC slot Do not leave a PIC slot empty in order to avoid critical thermal alarms relating to overheating of individual components Do not install any Blank PICs...

Page 150: ...sure using both your hands until it is within an inch of full insertion Step 4 Open the ejector levers on the PIC and fully insert the PIC into the slot applying even pressure on both sides until it mates with the midplane connectors To prevent damage to the midplane connector do not use excessive force when inserting the card into the slot Caution While installing a PIC Blank card open the ejecto...

Page 151: ...gure 100 Closing the Ejector Levers on the PIC Step 6 Tighten the two captive screws using a 3 16 flat blade torque screwdriver with a torque of 6 8 lb in 0 68 Nm to 0 90 Nm to secure the PIC Cisco Converged Broadband Routers Hardware Installation Guide 143 Installing the Interface Line and PIC Cards Installing RF PIC in the Cisco cBR Chassis ...

Page 152: ...ibe how to connect one UCH 8 connector Repeat the procedure to connect all the three UCH 8 connectors Before you begin Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Install the corresponding PIC Install the chassis mounted cable management bracket if not already installed Required Tools and Equipment ESD preventive wrist ...

Page 153: ...e corresponding cable management bracket attached to the side of the chassis Installing the DOCSIS MAC PHY Interface Line Card in the Cisco cBR Chassis Repeat this procedure for all the interface line cards and the line card blanks that you must install in the unused line card slots If you are adding more interface line cards or upgrading the existing line cards ensure that the power modules insta...

Page 154: ...BR LC 8D31 16U31 or CBR LC 4D31 16U31 Line card blank PID CBR LC BLANK Step 1 Loosen the captive screws on the appropriate slot using a 3 16 flat blade torque screwdriver until the red bands are visible on the captive screws Ensure that the red band on the screws are visible Note Figure 102 Red Band on the Screw Step 2 Pull the spring loaded ejectors on the card until they release and are perpendi...

Page 155: ...in the appropriate slot Step 5 Slide and push the card into the slot applying even pressure using both your hands until it mates with its midplane connectors To prevent damage to the midplane connector do not use excessive force when inserting the card into the slot Caution Cisco Converged Broadband Routers Hardware Installation Guide 147 Installing the Interface Line and PIC Cards Installing the ...

Page 156: ...ivot both the spring loaded ejectors towards the faceplate until they make contact with the faceplate Cisco Converged Broadband Routers Hardware Installation Guide 148 Installing the Interface Line and PIC Cards Installing the DOCSIS MAC PHY Interface Line Card in the Cisco cBR Chassis ...

Page 157: ...ace Line Card Step 7 Tighten the two captive screws using a 3 16 flat blade torque screwdriver with a torque of 10 12 lb in 1 12 1 36 Nm to secure the card Cisco Converged Broadband Routers Hardware Installation Guide 149 Installing the Interface Line and PIC Cards Installing the DOCSIS MAC PHY Interface Line Card in the Cisco cBR Chassis ...

Page 158: ...the following PICs Digital Through PIC Digital PIC Blank card Do not leave a PIC slot empty in order to avoid critical thermal alarms relating to overheating of individual components Do not install any Blank PICs between any two Through PICs Caution Before you begin Be aware of the weight and size of the equipment Handle it with care Attach an ESD preventive wrist strap to your wrist and connect t...

Page 159: ...ne connector do not use excessive force when inserting the card into the slot Caution While installing a PIC Blank card open the ejector levers and fully insert the PIC blank into the slot until the ejectors touch the chassis flanges Note Figure 107 Opening the Ejector Levers on the PIC Figure 108 Inserting the PIC Step 5 Simultaneously pivot both the ejector levers towards each other until they c...

Page 160: ...ine cards and the line card blanks that you must install in the unused line card slots If you are adding more interface line cards or upgrading the existing line cards ensure that the power modules installed in the chassis are adequate to support the line cards Warning Before you begin Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to th...

Page 161: ...ard 80G PID CBR CCAP LC G2 R Line card blank PID CBR LC BLANK Step 1 Loosen the captive screws on the appropriate slot using a 3 16 flat blade torque screwdriver until the red bands are visible on the captive screws Ensure that the red band on the screws are visible Note Figure 110 Red Band on the Screw Step 2 Pull the spring loaded ejectors on the card until they release and are perpendicular to ...

Page 162: ...s in the appropriate slot Step 5 Slide and push the card into the slot applying even pressure using both your hands until it mates with its midplane connectors To prevent damage to the midplane connector do not use excessive force when inserting the card into the slot Caution Cisco Converged Broadband Routers Hardware Installation Guide 154 Installing the Interface Line and PIC Cards Installing th...

Page 163: ... pivot both the spring loaded ejectors towards the faceplate until they make contact with the faceplate Cisco Converged Broadband Routers Hardware Installation Guide 155 Installing the Interface Line and PIC Cards Installing the DOCSIS MAC Interface Line Card in the Cisco cBR Chassis ...

Page 164: ...rface Line Card Step 7 Tighten the two captive screws using a 3 16 flat blade torque screwdriver with a torque of 10 12 lb in 1 12 1 36 Nm to secure the card Cisco Converged Broadband Routers Hardware Installation Guide 156 Installing the Interface Line and PIC Cards Installing the DOCSIS MAC Interface Line Card in the Cisco cBR Chassis ...

Page 165: ...pstream PHY module was replaced or upgraded When a line card is installed in the chassis for any of the above stated reasons use the hw module slot reload command to reload the line card Cisco Converged Broadband Routers Hardware Installation Guide 157 Installing the Interface Line and PIC Cards Installing the DOCSIS MAC Interface Line Card in the Cisco cBR Chassis ...

Page 166: ...Cisco Converged Broadband Routers Hardware Installation Guide 158 Installing the Interface Line and PIC Cards Installing the DOCSIS MAC Interface Line Card in the Cisco cBR Chassis ...

Page 167: ...he top and bottom line card captive screws are tight All network interface cables are connected The console terminal is turned on Step 1 Make sure the chassis ground connection is attached Step 2 Push the toggle switch on the FPEM AC or DC on the rear of the chassis to ON position What to do next Ensure the POWER ENABLE LED on the FPEM illuminates green Verify if the LEDs on the Power Modules indi...

Page 168: ...Cisco Converged Broadband Routers Hardware Installation Guide 160 Powering Up the Cisco cBR Chassis Powering Up the Cisco cBR ...

Page 169: ...WR 2KW DC V2 ok 03 21 20 P2 PWR 2KW DC V2 ok 03 21 20 P3 PWR 2KW DC V2 ok 03 21 20 P4 PWR 2KW DC V2 ok 03 21 20 P5 PWR 2KW DC V2 ok 03 21 20 P10 CBR FAN ASSEMBLY ok 03 21 10 P11 CBR FAN ASSEMBLY ok 03 21 10 P12 CBR FAN ASSEMBLY ok 03 21 10 P13 CBR FAN ASSEMBLY ok 03 21 10 P14 CBR FAN ASSEMBLY ok 03 21 10 show platform hardware slot slot serdes status Verify if all the links are in locked state Rou...

Page 170: ...nk E RX link Init 58 bit scrambler 20 Gbps 0 Overruns 0 Underruns 0 Reframe 0 Disparity 0 Out of band 0 Illegal control codes Slot 5 Link F RX link Init 58 bit scrambler 20 Gbps 0 Overruns 0 Underruns 0 Reframe 0 Disparity 0 Out of band 0 Illegal control codes Slot 5 Link G RX link Init 58 bit scrambler 20 Gbps 0 Overruns 0 Underruns 0 Reframe 0 Disparity 0 Out of band 0 Illegal control codes Slot...

Page 171: ... Vin 4 1 Normal 12650 mV VP5P0 ADin 4 1 Normal 0 mV VP1P8 Sens 4 1 Normal 33 mV VP1P8 Vin 4 1 Normal 12625 mV VP1P8 ADin 4 1 Normal 0 mV 3P3 1P0 Sens 4 1 Normal 24 mV 3P3 1P0 Vin 4 1 Normal 12625 mV 3P3 1P0 ADin 4 1 Normal 0 mV Temp INLET PD 4 1 Normal 27 Celsius Temp OUTLETPD 4 1 Normal 36 Celsius Temp 6697 DC 4 1 Normal 38 Celsius Temp PHYOUT 4 1 Normal 49 Celsius Temp PHYIN 4 1 Normal 38 Celsiu...

Page 172: ...Temp LEOBEN1 9 Normal 31 Celsius Temp LEOBEN2 9 Normal 35 Celsius Temp 3 3 18 9 Normal 43 Celsius Temp BS_1V 9 Normal 45 Celsius Freq 5338 49 9 Normal 0 MHz Freq 5338 52 9 Normal 0 MHz Freq 5338 89 9 Normal 0 MHz 3882_1_0 VOUT 9 Normal 3299 mV 3882_1_1 VOUT 9 Normal 1800 mV 3882_2_0 VOUT 9 Normal 2500 mV 3882_2_1 VOUT 9 Normal 1199 mV 3882_3_0 VOUT 9 Normal 1419 mV 3882_4_0 VOUT 9 Normal 1350 mV 3...

Page 173: ...PSOC MB2_5 VO R0 Normal 1047 mV PSOC MB2_6 VO R0 Normal 1500 mV PSOC MB2_7 VO R0 Normal 1800 mV PSOC MB2_8 VO R0 Normal 914 mV PSOC MB2_9 VO R0 Normal 885 mV PSOC MB2_10 V R0 Normal 994 mV PSOC MB2_11 V R0 Normal 989 mV PSOC MB2_12 V R0 Normal 1479 mV PSOC MB2_13 V R0 Normal 989 mV PSOC MB2_14 V R0 Normal 984 mV PSOC MB2_15 V R0 Normal 890 mV PSOC MB2_16 V R0 Normal 2485 mV PSOC MB2_17 V R0 Normal...

Page 174: ...rmal 999 mV 3882_MB9_1 VO R0 Normal 3296 mV 15301_1 VOUT R0 Normal 2500 mV 15301_2 VOUT R0 Normal 1200 mV 15301_3 VOUT R0 Normal 1200 mV AS_VRM Sens R0 Normal 40 mV AS_VRM Vin R0 Normal 12725 mV AS_VRM ADin R0 Normal 0 mV Y0_VRM Sens R0 Normal 23 mV Y0_VRM Vin R0 Normal 12675 mV Y0_VRM ADin R0 Normal 380 mV CPU_VCC Sens R0 Normal 6 mV CPU_VCC Vin R0 Normal 12725 mV CPU_VCC ADin R0 Normal 0 mV 5P0_...

Page 175: ...1 mV 1P2_B Vin R0 Normal 12725 mV 1P2_B ADin R0 Normal 0 mV ADM1075 Power R0 Normal 329 Watts Temp Y0_DIE R0 Normal 33 Celsius Temp BB_DIE R0 Normal 29 Celsius Temp VP_DIE R0 Normal 26 Celsius Temp RT E_DIE R0 Normal 31 Celsius Temp INLET_1 R0 Normal 23 Celsius Temp INLET_2 R0 Normal 22 Celsius Temp OUTLET_1 R0 Normal 25 Celsius Temp 3882_1 R0 Normal 46 Celsius Temp 3882_1A R0 Normal 43 Celsius Te...

Page 176: ... XPT3_DTR R0 Normal 42 Celsius Temp XPT3_DBL R0 Normal 42 Celsius Temp XPT3_DBR R0 Normal 42 Celsius Freq MAX3674 R0 Normal 500 MHz Freq SQ420D R0 Normal 24 MHz show facility alarm status Verify the chassis status Router show facility alarm status System Totals Critical 4 Major 1 Minor 8 Source Time Severity Description Index slot 3 0 Apr 13 2015 16 25 58 CRITICAL Active Card Removed OIR Alarm 0 P...

Page 177: ... Fan Module on the Cisco cBR using LEDs Table 32 Verifying the LEDs on the Fan Module Description Status LED If the chassis was powered on for more than 10 seconds it indicates fan module failure OFF STATUS1 3 STATUS2 4 Fan module is operational Green Fan module failure or minor fan alarm Amber Fan module has failed and must be replaced White Cisco Converged Broadband Routers Hardware Installation...

Page 178: ...r sets the RPLC LED to White color White 3 Indicates the status of the back fan 4 Indicates the status of the front fan Monitoring the Fan Module using CLI in the Cisco cBR Chassis To monitor the Fan Module use the show platform hardware slot command This example shows the status of the fans installed in the chassis Router show platform hardware slot P10 fan status Fan 0 Normal Fan 1 Normal Cisco ...

Page 179: ...tatus LED The chassis power is on Green POWERENABLE LED The chassis power is off Off VER 01 of the AC FPEM has P0 AC PRESENT LED through P5 AC PRESENT LED The PRESENT LEDs indicate input AC power for the corresponding AC Power Modules also indicated on the front of the Power Module Updated AC FPEM started shipping from April 2018 Note Table 34 Verifying the LEDs on the DC FPEM Description Status L...

Page 180: ...t LED The AC Power Module is operating normally Off Table 36 Verifying the LEDs on the DC Power Module Description Status LED Dual DC input voltages are present and within the correct range 40 V to 72 V Green Input power LED The DC Power Module is in single input operation mode and at least one DC input voltage is out of the acceptable range Blinking Dual DC input voltages are less than 26 V or is...

Page 181: ...er Module Following is a sample output Router show environment power Slot Controller Value 3 FRU Power 340 W P0 PEM Power 275 W P1 PEM Power 220 W P2 PEM Power 220 W R0 FRU Power 410 W Cisco Converged Broadband Routers Hardware Installation Guide 173 Monitoring the Power System in the Cisco cBR Chassis Monitoring the Power System in the Cisco cBR Chassis Using CLI ...

Page 182: ...Cisco Converged Broadband Routers Hardware Installation Guide 174 Monitoring the Power System in the Cisco cBR Chassis Monitoring the Power System in the Cisco cBR Chassis Using CLI ...

Page 183: ... the Cisco cBR Chassis Monitoring the Supervisor 160G in the Cisco cBR Chassis Using LEDs on page 176 Monitoring the Supervisor 250G in the Cisco cBR Chassis Using LEDs on page 179 Cisco Converged Broadband Routers Hardware Installation Guide 175 ...

Page 184: ... Card has a power fault the Supervisor PIC is not detected at power on Blinking between green and yellow at a 2 seconds rate Supervisor Card has a power fault either the Supervisor PIC SUP DC or SUP MB did not respond with a PGOOD signal within 3 seconds after power on Blinking yellow at a 1 4 second rate Software on the other Supervisor Card has turned off power on this Supervisor Card Blinking g...

Page 185: ...ard needs to be replaced White Table 38 Verifying the LEDs on the Supervisor PIC Description Status LED The Supervisor PIC is not powered up Off PIC_STAT The Supervisor PIC is functioning normally Green The Supervisor PIC has a fault Yellow iNSI module is not enabled Off INSI_ACT iNSI module is enabled Green The Supervisor PIC does not need to be replaced Off REPLACE The Supervisor PIC needs to be...

Page 186: ...Off DTI Fast DTI is in fast mode Yellow The Gigabit Ethernet link is down Off NME Lnk The Gigabit Ethernet link is up Green The Gigabit Ethernet link is down Off NME Act The Gigabit Ethernet link is up with active traffic Blinking yellow There is no SSD access Off SSD SSD read write is in progress Green Reserved for future use CM DTP Lnk Reserved for future use CM DTP Act Cisco Converged Broadband...

Page 187: ... Card has a power fault the Supervisor PIC is not detected at power on Blinking between green and yellow at a 2 seconds rate Supervisor Card has a power fault either the Supervisor PIC SUP DC or SUP MB did not respond with a PGOOD signal within 3 seconds after power on Blinking yellow at a 1 4 second rate Software on the other Supervisor Card has turned off power on this Supervisor Card Blinking g...

Page 188: ...ard needs to be replaced White Table 40 Verifying the LEDs on the Supervisor PIC Description Status LED The Supervisor PIC is not powered up Off PIC_STAT The Supervisor PIC is functioning normally Green The Supervisor PIC has a fault Yellow iNSI module is not enabled Off INSI_ACT iNSI module is enabled Green The Supervisor PIC does not need to be replaced Off REPLACE The Supervisor PIC needs to be...

Page 189: ...th active traffic Blinking green DTI is not in normal mode Off DTI Normal DTI is in normal mode Green DTI is in normal mode as standby Blinking green DTI is not in fast mode Off DTI Fast DTI is in fast mode Yellow The Gigabit Ethernet link is down Off NME Lnk The Gigabit Ethernet link is up Green The Gigabit Ethernet link is down Off NME Act The Gigabit Ethernet link is up with active traffic Blin...

Page 190: ...Cisco Converged Broadband Routers Hardware Installation Guide 182 Monitoring the Supervisor in the Cisco cBR Chassis Monitoring the Supervisor 250G in the Cisco cBR Chassis Using LEDs ...

Page 191: ... Description Status LED The line card has not initialized correctly Off STATUS The line card has initialized but HA fault is detected Possible hardware fault Yellow The line card is operational Green The Interface line card is not a Protect card Off PROTECT The Interface line card is configured as a Protect card Blue The Protect card is operational and traffic is flowing Green The Interface line c...

Page 192: ...LEDs Description Status LED The card is not powered up Off STATUS The card is operational On The specific link is down or the optical module is absent Off Link Status Thespecific link is up QSFP0 port is mapped to LED 0 2 4 6 if it works in 10GE mode and mapped to LED 0 if works in 100GE mode QSFP1 port is mapped to LED 1 3 5 7 if it works in 10GE mode and mapped to LED 1 if works in 100GE mode On...

Page 193: ...pairing or upgrading the chassis hardware Mounting the chassis Before you begin Step 1 Push the toggle switch on the FPEM AC or DC on the rear of the chassis to OFF position Step 2 Disconnect AC or DC power What to do next Unmount the Cisco cBR chassis Power up the Cisco cBR chassis Unmounting the Cisco cBR Chassis Before you begin Install the chassis installation handle Optional Required Tools an...

Page 194: ...nto the rack mount ear on each side using a 2 Phillips screwdriver Step 6 Remove the chassis from the rack What to do next Move the equipment to another location To return the equipment to Cisco pack the chassis in the original Cisco box that you received during shipment and visit Cisco Ordering website Cisco Converged Broadband Routers Hardware Installation Guide 186 Maintaining the Cisco cBR Cha...

Page 195: ...arning Do not operate the chassis with an empty fan bay even if the Supervisor Card allows it Cisco cBR s Supervisor Cards are prevented from powering up if one or more of the Fan Modules have a serious failure such that the error prevents both fans from operating The chassis powers up even if at least one fan in each Fan Module is working Required Tools and Equipment A flat blade screwdriver Step...

Page 196: ...new or serviced fan module in the empty bay See the installation procedure specified in Installing the Fan Module Cisco Converged Broadband Routers Hardware Installation Guide 188 Maintaining the Fan Module for Cisco cBR Removing the Fan Module from the Cisco cBR Chassis ...

Page 197: ...cBR Chassis The chassis ground connection must always be made first and disconnected last Warning Only trained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning Before you begin Required Tools and Equipment 2 Phillips screwdriver Step 1 Power down the AC FPEM using the power switch Step 2 Power down the AC circuit or power source to which...

Page 198: ...77 Warning When you install the unit the ground connection must always be made first and disconnected last Statement 1046 Warning Before performing any of the following procedures ensure that power is removed from the DC circuit Statement 1003 Warning Only trained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning Before you begin Required...

Page 199: ...olts and secure them using a torque wrench and 7 16 hex socket with a torque of 45 50 in lb 5 08 5 65 Nm Step 8 Reinstall the terminal block covers by clipping them on the top edge of the terminal block housing and then rotating them down until they snap into place Removing the Power Module from the Cisco cBR Chassis Before you begin Attach an ESD preventive wrist strap to your wrist and connect t...

Page 200: ...he front power entry bezel from the chassis Figure 118 Removing the Front Power Entry Bezel from the Chassis Step 2 Loosen the screw on the Power Module using a 3 16 flat blade torque screwdriver Step 3 Pull the handle down to disengage the Power Module from the chassis Step 4 Slide the Power Module out of its bay with one hand while supporting the base of the module with your other hand Cisco Con...

Page 201: ...lat blade torque screwdriver with a torque of 5 7 in lb 0 56 0 79 Nm to secure the bezel Removing the FPEM from the Cisco cBR Chassis Before you begin For an AC powered Cisco cBR chassis remove the AC power connections For an DC powered Cisco cBR chassis remove the DC power connections Cisco Converged Broadband Routers Hardware Installation Guide 193 Maintaining the Power System in the Cisco cBR C...

Page 202: ...rist strap T10 Torx screwdriver Antistatic bag Step 1 Loosen and remove the four 6 32 Torx head screws on the mounting flanges of the FPEM using a T10 Torx screwdriver Figure 120 Removing the FPEM from the Chassis Step 2 Slide the FPEM out of the chassis using the handles on either side applying even pressure to both handles Step 3 Place the removed FPEM in an antistatic bag Cisco Converged Broadb...

Page 203: ...th care Required Tools and Equipment 3 16 flat blade torque screwdriver T10 Torx screwdriver Step 1 Loosen the two screws on the front power entry bezel using a 3 16 flat blade torque screwdriver Remove the bezel from the chassis Cisco Converged Broadband Routers Hardware Installation Guide 195 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Cassette Module from the Cisco ...

Page 204: ...dule using a T10 Torx screwdriver Step 3 Hold the side flanges on the Power Cassette Module with both your hands Pull and slide the module out of the chassis applying even pressure to both your hands Cisco Converged Broadband Routers Hardware Installation Guide 196 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Cassette Module from the Cisco cBR Chassis ...

Page 205: ...er entry bezel on the chassis Insert and tighten the two screws using a 3 16 flat blade torque screwdriver with a torque of 5 7 in lb 0 56 0 79 Nm to secure the bezel Cisco Converged Broadband Routers Hardware Installation Guide 197 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Cassette Module from the Cisco cBR Chassis ...

Page 206: ...Cisco Converged Broadband Routers Hardware Installation Guide 198 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Cassette Module from the Cisco cBR Chassis ...

Page 207: ... with 1 1 Supervisor redundancy removing the standby Supervisor Card or Supervisor PIC may result in limited packet loss in the active active backhaul configuration In a Cisco cBR without Supervisor redundancy removing the Supervisor Card or Supervisor PIC results in complete loss of service Caution Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug c...

Page 208: ...all the replacement Supervisor Card or blank card in the chassis within 3 minutes to prevent the chassis from shutting down due to possible overheating of some components Caution Required Tools and Equipment ESD preventive wrist strap 3 16 flat blade screwdriver Antistatic bag Step 1 Loosen the captive screws on the card using a 3 16 flat blade torque screwdriver until the red bands are visible on...

Page 209: ... disengages the card from the chassis Figure 125 Opening Spring loaded Ejectors on the Supervisor Card Step 3 Carefully slide the card out of its slot applying even pressure using both your hands Cisco Converged Broadband Routers Hardware Installation Guide 201 Maintaining the Supervisor in the Cisco cBR Chassis Removing the Supervisor Card from the Cisco cBR Chassis ...

Page 210: ...attached to it Doing so may damage cables cable connectors or the optical interfaces and may interfere with the SFP module latching properly into its socket connector Disconnect all cables before removing or installing an SFP transceiver module Caution Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Removing and installing ...

Page 211: ...between your thumb and index finger and carefully remove it from the socket Step 4 Place the removed SFP module in an antistatic bag What to do next Replace the SFP module if required Removing the Supervisor PIC Cable Management Bracket The Supervisor PIC cable management bracket is usually removed when the Supervisor PIC needs to be replaced Before you begin Attach an ESD preventive wrist strap t...

Page 212: ...2 Captive screws 1 Step 2 Remove the Supervisor PIC cable management bracket What to do next Replace the cable management bracket if required Removing the Supervisor PIC from the Cisco cBR Chassis Perform this procedure to remove the following PIC Supervisor PIC Blank PIC for the Supervisor Cisco Converged Broadband Routers Hardware Installation Guide 204 Maintaining the Supervisor in the Cisco cB...

Page 213: ...r PIC or a blank PIC is readily available to replace the removed Supervisor PIC or blank PIC in an operational chassis After removing the Supervisor PIC or blank PIC from an operational chassis install the replacement Supervisor PIC or blank PIC in the chassis within 3 minutes to prevent the chassis from shutting down due to possible overheating of some components Caution Restrictions The Supervis...

Page 214: ...e 130 Removing the Supervisor PIC from the Chassis Step 4 Place the removed Supervisor PIC in an antistatic bag The removed blank PIC does not need to be placed in an antistatic bag Note Cisco Converged Broadband Routers Hardware Installation Guide 206 Maintaining the Supervisor in the Cisco cBR Chassis Removing the Supervisor PIC from the Cisco cBR Chassis ...

Page 215: ...active backhaul configuration In a Cisco cBR without Supervisor redundancy removing the Supervisor Card or Supervisor PIC results in complete loss of service Caution Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Disconnect all the cables and memory stick or flash drives from the Supervisor Card Close the tethered I O door...

Page 216: ...heating of some components Caution Required Tools and Equipment ESD preventive wrist strap 3 16 flat blade screwdriver Antistatic bag Step 1 Loosen the captive screws on the card using a 3 16 flat blade torque screwdriver until the red bands are visible on the captive screws Figure 132 Loosening the Captive Screws on the Chassis Step 2 Pull the spring loaded ejectors on the card until they release...

Page 217: ...rom the Chassis Step 4 Grasp the faceplate of the card with one hand and place your other hand under the card to support its weight and remove the card from its slot Step 5 Place the removed Supervisor Card in an antistatic bag Cisco Converged Broadband Routers Hardware Installation Guide 209 Maintaining the Supervisor in the Cisco cBR Chassis Removing the Supervisor Card from the Cisco cBR Chassi...

Page 218: ...trap or other personal grounding device to prevent ESD occurrences Antistatic mat or antistatic foam to set the transceiver on Fiber optic end face cleaning tools and inspection equipment Step 1 For optical QSFP or QSFP28 transceiver modules disconnect the network interface cable from the QSFP or QSFP28 transceiver connector Step 2 For QSFP or QSFP28 transceiver modules equipped with a bail clasp ...

Page 219: ...Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Remove all the cables that are routed through the Supervisor PIC cable management bracket Required Tools and Equipment ESD preventive wrist strap 3 16 flat blade screwdriver Step 1 Loosen the two captive screws that secure the Supervisor PIC cable management bracket using a 3 ...

Page 220: ...ver In a Cisco cBR with 1 1 Supervisor redundancy removing the standby Supervisor Card or Supervisor PIC may result in limited packet loss in the active active backhaul configuration In a Cisco cBR without Supervisor redundancy removing the Supervisor Card or Supervisor PIC results in complete loss of service Caution Attach an ESD preventive wrist strap to your wrist and connect the other end to t...

Page 221: ...up if the Supervisor PIC is not present during powering up of the chassis Required Tools and Equipment ESD preventive wrist strap 3 16 flat blade screwdriver Antistatic bag Step 1 Loosen the four captive screws on the PIC using a 3 16 flat blade screwdriver Step 2 Pull the ejector levers on the PIC to disengage the midplane connectors Figure 137 Opening the Ejector Levers on the Supervisor PIC Ste...

Page 222: ...tic bag The removed blank PIC does not need to be placed in an antistatic bag Note What to do next Replace the Supervisor PIC or blank PIC Cisco Converged Broadband Routers Hardware Installation Guide 214 Maintaining the Supervisor in the Cisco cBR Chassis Removing the Supervisor PIC from the Cisco cBR Chassis ...

Page 223: ...ng lug connected to the chassis Be aware of the weight and size of the equipment Handle it with care Before removing an interface line card ensure that one of the following cards is available for immediate replacement in the chassis replacement DOCSIS MAC PHY interface line card line card blank After removing a line card or a line card blank from an operational chassis install the replacement line...

Page 224: ...re perpendicular to the faceplate This disengages the card from the chassis Figure 139 Opening Spring loaded Ejectors on the Interface Card Step 3 Carefully slide the card out of its slot applying even pressure using both your hands Cisco Converged Broadband Routers Hardware Installation Guide 216 Maintaining the Interface Cards in the Cisco cBR Chassis Removing the DOCSIS MAC PHY Interface Line C...

Page 225: ... blank as required Removing the UCH 8 Connectors from the RF PIC Three UCH 8 connectors are connected to the RF Through PIC To remove a PIC the UCH 8 connectors connected to the PIC must be removed first This procedure is used only for RF Through PICs The following steps describe how to remove one UCH 8 connector Repeat the procedure to remove all the three UCH 8 connectors Before you begin Attach...

Page 226: ... alarms relating to overheating of individual components Caution Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Be aware of the weight and size of the equipment Handle it with care To remove an RF PIC first remove the UCH 8 connectors Required Tools and Equipments ESD preventive wrist strap 3 16 flat blade screwdriver Anti...

Page 227: ...ough PIC RF Protect PIC or PIC Blank Removing the cLGA Connector from an Interface Line Card The cLGA 10 X 22 Position 050 C L Connector cLGA connector must be removed only in case of a failure or fault Cisco Converged Broadband Routers Hardware Installation Guide 219 Maintaining the Interface Cards in the Cisco cBR Chassis Removing the cLGA Connector from an Interface Line Card ...

Page 228: ...ent interface line card or line card blank is installed within three minutes of removal The line card slot must not remain empty for more than three minutes to avoid shutdown of chassis due to overheating of the components Caution Required Tools and Equipment ESD preventive wrist strap Hex socket bit for 10830 cap screw used with a screwdriver with detachable bits Figure 143 Hex Socket Bit for 108...

Page 229: ...cap screws that fasten the cLGA connector to the PCB Step 3 Hold the cLGA connector with protective cover using your thumb and index finger Lift the cLGA connector up until the guide pins at the bottom of the cLGA connector are removed from the guide holes in the PCB Step 4 Place the cLGA connector in an antistatic bag What to do next Install a replacement cLGA Connector Cisco Converged Broadband ...

Page 230: ...or RF Through PIC installed Required Tools and Equipment ESD preventive wrist strap cLGA Connector Installation kit consisting of the following Hex socket bit for 10830 cap screw use with a screwdriver with detachable bits 10830 cap screws Figure 145 10830 Cap screws cLGA 10 X 22 Position 050 C L Connector cLGA connector After installation save the hex socket bit for future use These will be requi...

Page 231: ...e Downstream D3 0 Module is installed Figure 146 Removing the Protective Cover from the cLGA Connector Install the Downstream D3 0 Module Maintaining the DOCSIS MAC Interface and PIC Card Removing the DOCSIS MAC Interface Line Card from the Cisco cBR Chassis It is not necessary to power down the chassis to remove an DOCSIS MAC interface line card Cisco Converged Broadband Routers Hardware Installa...

Page 232: ...o overheating of individual components Caution Required Tools and Equipments ESD preventive wrist strap 3 16 flat blade torque screwdriver Antistatic bag Step 1 Loosen the captive screws on the appropriate slot using a 3 16 flat blade torque screwdriver until the red bands are visible on the captive screws Step 2 Pull the spring loaded ejectors on the card until they release and are perpendicular ...

Page 233: ... before placing it in the anti static bag Note What to do next Replace the Interface Line Card or install a line card blank as required Removing the Digital PIC from the Cisco cBR Chassis Before you begin Before removing an Digital PIC ensure that one of the following cards is available for immediate replacement in the chassis replacement Digital Through PIC or Digital Protect PIC PIC Blank Cisco ...

Page 234: ...nd Equipments ESD preventive wrist strap 3 16 flat blade screwdriver Antistatic bag Step 1 Loosen the captive screws on the appropriate slot using a 3 16 flat blade torque screwdriver until the red bands are visible on the captive screws Step 2 Pull the ejectors levers until the PIC is disengaged from the connectors on the midplane Carefully slide the PIC out of the slot applying even pressure usi...

Page 235: ...card in an antistatic bag What to do next Replace with RF Through PIC RF Protect PIC or PIC Blank Cisco Converged Broadband Routers Hardware Installation Guide 227 Maintaining the Interface Cards in the Cisco cBR Chassis Removing the Digital PIC from the Cisco cBR Chassis ...

Page 236: ...Cisco Converged Broadband Routers Hardware Installation Guide 228 Maintaining the Interface Cards in the Cisco cBR Chassis Removing the Digital PIC from the Cisco cBR Chassis ...

Page 237: ...you begin Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Be aware of the weight and size of the equipment Handle it with care Remove the interface line card Restrictions Ensure that a working Downstream PHY module is available for replacement Ensure that the interface line card removed for the Downstream PHY module replace...

Page 238: ...nd the rear guide pins on the line card Figure 151 Lift the Downstream PHY module Guide pins 3 Downstream PHY module 1 Captive screws 2 Ensure that the Downstream PHY module is held horizontal when it is lifted off the guide pins to prevent damage to the cLGA connector surface Note Step 4 Place the removed Downstream PHY module in an antistatic bag What to do next Replace the Downstream PHY module...

Page 239: ...rictions Ensure that the guide holes at the rear of the Downstream PHY module are aligned properly If the Downstream PHY module alignment is reversed the cLGA connector guide pins will damage the connecting surface of the Downstream PHY module Required Tools and Equipment ESD preventive wrist strap T10 Torx blade torque driver Downstream PHY module Refer to the FRU list and the ordering informatio...

Page 240: ...d reloading it verify that the downstream PHY module is upgraded from downstream D3 0 to downstream D3 1 module using the show inventory command For more details on the verification refer to Verifying the Downstream PHY Module Upgrade Removing the Upstream PHY Module in the Interface Line Card The Upstream PHY module is removed for replacement or upgrade Before you begin Prerequisites Attach an ES...

Page 241: ...upstream module extractor plunger assembly align the plunger assembly between the center heatsink fin separation and the last row of heatsink fins Step 3 Firmly press down the thumb rest on the flange of the plunger assembly and snap onto the heatsink Do not press the plunger Step 4 To engage the extractor catch with the heatsink press the extractor catch release button Step 5 To attach the extrac...

Page 242: ...pgrade Antistatic mat or bag Step 1 Align the guide holes on the module with the alignment posts on the RF line card Step 2 Firmly press the module down to seat the connectors Do not use excessive force Step 3 Tighten all the four T10 securing screws in clockwise direction to a torque of 8 pound inch Step 4 Snug tighten all the screws in the clockwise direction in the same order as done in the pre...

Page 243: ...equired Tools and Equipment ESD preventive Wrist Strap 3 16 Flat blade Torque Screwdriver Step 1 Check whether the captive screws on the card are secure and tightened to a torque of 10 to 12 lb in The red band on the captive screw should not be visible If the screws are not secure traffic may get interrupted Step 2 To remove the air filter from the card use your finger to pinch the handle at the m...

Page 244: ...igure 153 Removing Air Filter from an RF Line Card Cisco Converged Broadband Routers Hardware Installation Guide 236 Maintaining the Air Filter in the Cisco cBR Chassis Removing the Air Filter on a Card ...

Page 245: ...nnect its end to the grounding lug that is connected to the chassis Note Before you begin Required Tools and Equipment Air filter for the RF line card PID CBR LC FILTER and CBR LC FILTER Air filter for the Supervisor card PID CBR SUP FILTER and CBR SUP FILTER ESD preventive Wrist Strap Cisco Converged Broadband Routers Hardware Installation Guide 237 Maintaining the Air Filter in the Cisco cBR Cha...

Page 246: ...6 Air Filter for the Supervisor Card Orientation Step 2 Insert one end of the air filter at an angle under the ejector handle and slide it under the bezel filter guide rail on the card faceplate Cisco Converged Broadband Routers Hardware Installation Guide 238 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 247: ...re 157 Inserting the Air Filter in the RF Line Card Cisco Converged Broadband Routers Hardware Installation Guide 239 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 248: ...Cisco Converged Broadband Routers Hardware Installation Guide 240 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 249: ...Cisco Converged Broadband Routers Hardware Installation Guide 241 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 250: ...Cisco Converged Broadband Routers Hardware Installation Guide 242 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 251: ...e 158 Inserting the Air Filter in the Supervisor Card Cisco Converged Broadband Routers Hardware Installation Guide 243 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 252: ...Cisco Converged Broadband Routers Hardware Installation Guide 244 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 253: ...Cisco Converged Broadband Routers Hardware Installation Guide 245 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 254: ... the handle at the middle of the air filter to insert the bottom and top edges of the air filter into the card faceplate rail Cisco Converged Broadband Routers Hardware Installation Guide 246 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 255: ...ure 159 Seating the Air Filter in the RF Line Card Cisco Converged Broadband Routers Hardware Installation Guide 247 Maintaining the Air Filter in the Cisco cBR Chassis Installing the Air Filter on a Card ...

Page 256: ...tors may snap past their retention stops during the procedure snap the ejectors past the stops to restore them to their original positions After installing the Supervisor air filter check whether the front console ports behind the ejector levers are accessible If the air filter is installed upside down the ports would be covered Cisco Converged Broadband Routers Hardware Installation Guide 248 Mai...

Page 257: ...ther interfaces on the router remain unchanged The interrupt routine must ensure that the interrupt line has reached a stable state The software performs the necessary tasks involved in handling the removal and insertion of the card A hardware interrupt is sent to the software subsystem when a hardware change is detected and the software reconfigures the system When a card is inserted it is analyz...

Page 258: ...the preceding tasks before you remove or insert another interface processor If you disrupt the sequence before the system completes its verification it can cause the system to detect spurious hardware failures Insert the cards swiftly and firmly but do not shove them in If present be sure to use the little plastic levers on the side of the card to lock the card in If the OIR is successful there is...

Page 259: ... are performing an OIR on a standby Supervisor Card or a Supervisor PIC cBR 8 might show error messages which you can ignore When you insert the Supervisor Card or a Supervisor PIC the next time the card will function properly Verifying Status after an OIR Execute the show platform command to check the status Before Removing the Line Card Router show platform Chassis type CBR 8 CCAP CHASS Slot Typ...

Page 260: ...UP0 CBR CCAP SUP 160G inserted 06 45 13 R0 ok active F0 ok active 4 ok active 4 1 CBR SUP 8X10G PIC ok 06 43 08 P0 PWR 3KW AC V2 ok 06 43 28 P1 PWR 3KW AC V2 ok 06 43 28 P2 PWR 3KW AC V2 ok 06 43 28 P3 PWR 3KW AC V2 ok 06 43 28 P4 PWR 3KW AC V2 ok 06 43 28 P5 PWR 3KW AC V2 ok 06 43 28 P11 CBR FAN ASSEMBLY ok 06 43 28 P11 CBR FAN ASSEMBLY ok 06 43 28 P12 CBR FAN ASSEMBLY ok 06 43 28 P13 CBR FAN ASS...

Page 261: ... P11 CBR FAN ASSEMBLY ok 06 46 28 P11 CBR FAN ASSEMBLY ok 06 46 28 P12 CBR FAN ASSEMBLY ok 06 46 28 P13 CBR FAN ASSEMBLY ok 06 46 28 P14 CBR FAN ASSEMBLY ok 06 46 28 Cisco Converged Broadband Routers Hardware Installation Guide 253 Online Insertion and Removal of Cards on the Cisco cBR Verifying Status after an OIR ...

Page 262: ...Cisco Converged Broadband Routers Hardware Installation Guide 254 Online Insertion and Removal of Cards on the Cisco cBR Verifying Status after an OIR ...

Page 263: ...lso illuminated then replace the fan module There could be a failure of a Fan Module component The STATUS LED of a fan is not illuminated when the Cisco cBR 8 chassis is powered on More than 10 seconds have elapsed since the chassis has been powered ON Replace the Fan Module There could be a failure of a Fan Module hardware component It could also be a minor alarm The STATUS LED of a fan is illumi...

Page 264: ...eplace the faulty Fan Module One or more of the Fan Modules have a serious failure such that the error prevents both fans from operating This could prevent the Cisco cBR s Supervisor Cards from powering up Cisco cBR s Supervisor Cards are prevented from powering up The chassis does not have one or more Fan Modules Push front flap open and manually slide the door back and forth to ensure free movem...

Page 265: ...talled to ensure that it is properly seated The downstream PHY module is not seated properly The PowerGood value 0 in the output of the show cable card slot subslot ds phy display include PowerGood command shows that the downstream PHY module in the line card is not powered up Refer to the RMA procedure for more information on service The downstream PHY module is damaged Contact the Cisco Technica...

Page 266: ...dule in the line card is not powered up Refer to the RMA procedure for more information on service The upstream PHY module is damaged Reboot the interface card If the STATUS LED does not illuminate replace the line card The interface card is not booted The STATUS LED is not illuminated Replace the interface card The interface card needs to be replaced The REPLACE LED is illuminated in white color ...

Page 267: ...June 29 2016 to August 5 2016 have default startup configuration password c Unable to configure the Cisco cBR 8 router unless password enablement and password entry steps are performed Cisco Converged Broadband Routers Hardware Installation Guide 259 Troubleshooting the Cisco cBR General Troubleshooting ...

Page 268: ... Press RETURN to get started 2 When Press RETURN to get started message appears press the Enter key 3 Type enable command after the Router prompt press the Enter key Type c after the Password prompt Router enable Password Router 4 Type erase startup config command press the Enter key Press the Enter key again when Continue confirm appears Router erase startup config Erasing Nvram will not clear li...

Page 269: ...n files Continue confirm OK Erase of nvram complete Router If there are 2 SUPs type erase stby nvram command after this step to erase the NVRAM on the stand by SUP Note 6 Verify whether the startup configuration is empty using show configuration command The desired output is startup config is not present Router show configuration startup config is not present Router 7 Power down the system then po...

Page 270: ...nmp cpu stats to see if the OID in SNMP 3 RESPONSE_DELAYED displays a big value If so contact cBR support otherwise it is a CPU issue please check the reason why the CPU usage is high SNMP process is consumed by 5 seconds to get an OID SNMP 3 RESPONSE_DELAYED error message in show logging output Cisco Converged Broadband Routers Hardware Installation Guide 262 Troubleshooting the Cisco cBR General...

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