Cisco ASR 920-24SZ-IM Installing Download Page 33

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The Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Router power supplies are hot-swappable.
If you have installed redundant power supplies, you can replace a single power supply without interrupting
power to the router.

Note

To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power supply
has been removed or replaced.

Caution

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

Installation of the equipment must comply with local and national electrical codes. Statement 1074

Warning

Follow these steps to remove and replace an AC power supply:

Procedure

Step 1

Disconnect the power cord from the power source. Do not touch the metal prongs on the power cord when it
is still connected to the power supply.

Step 2

Remove the power cord from the power connection on the power supply. Do not touch the metal prongs
embedded in the power supply.

Step 3

Loosen the captive installation screw as shown in the figure below.

Installing the Router

Removing and Replacing an AC Power Supply

Summary of Contents for ASR 920-24SZ-IM

Page 1: ...ASR 920 24SZ M ASR 920 24TZ M Router it is important to prepare for the installation by Preparing the site site planning and reviewing the installation plans or method of procedures MOP See Site Planning section Unpacking and inspecting the Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router See Receiving the Router section Gathering the tools and test equipment required to properly install...

Page 2: ...on them beside the router chassis Step 2 Position one of the brackets against the chassis side and align the screw holes 19 inch EIA Rack The following figures show how to attach the brackets at the front middle and rear positions on the Cisco ASR 920 24SZ IM Router for a 19 inch EIA rack Figure 1 Attaching Mounting Brackets to Cisco ASR 920 24SZ IM Router for a 19 inch EIA Rack Front Middle and R...

Page 3: ...ns on the Cisco ASR 920 24SZ M ASR 920 24TZ M Router for a 19 inch EIA rack Figure 2 Attaching Mounting Brackets to Cisco ASR 920 24SZ M ASR 920 24TZ M Router for a 19 inch EIA Rack Front Middle and Rear Positions Installing the Router 3 Installing the Router Installing the Chassis Brackets ...

Page 4: ...rackets on the Cisco ASR 920 24SZ IM Router for a 23 inch rack Figure 3 Attaching Mounting Brackets to Cisco ASR 920 24SZ IM Router for a 23 inch Rack Front Middle and Rear Positions Installing the Router 4 Installing the Router Installing the Chassis Brackets ...

Page 5: ... ASR 920 24SZ M ASR 920 24TZ M Router for a 23 inch rack Figure 4 Attaching Mounting Brackets to Cisco ASR 920 24SZ M ASR 920 24TZ M Router for a 23 inch Rack Front Middle and Rear Positions Installing the Router 5 Installing the Router Installing the Chassis Brackets ...

Page 6: ...ckets on the Cisco ASR 920 24SZ IM Router for a 300 mm ETSI rack Figure 5 Attaching Mounting Brackets to Cisco ASR 920 24SZ IM Router for a 300 mm ETSI Rack Front Middle and Rear Positions Installing the Router 6 Installing the Router Installing the Chassis Brackets ...

Page 7: ... 920 24SZ M ASR 920 24TZ M Router for a 300 mm ETSI rack Figure 6 Attaching Mounting Brackets to Cisco ASR 920 24SZ M ASR 920 24TZ M Router for a 300 mm ETSI Rack Front Middle and Rear Positions Installing the Router 7 Installing the Router Installing the Chassis Brackets ...

Page 8: ...ides before installing the router in a 19 inch EIA rack See Attaching the Cable Guides section Note To install the router chassis in the equipment rack perform these steps Procedure Step 1 Position the chassis in the rack as follows If the front of the chassis front panel is at the front of the rack insert the rear of the chassis between the mounting posts If the rear of the chassis is at the fron...

Page 9: ... EIA rack Figure 7 Installing the Cisco ASR 920 24SZ IM Router in a 19 inch EIA Rack Figure 8 Installing the Cisco ASR 920 24SZ M ASR 920 24TZ M Router in a 19 inch EIA Rac Step 3 Install the four M6x12mm zinc plated steel screws through the holes in the bracket and into the threaded holes in the equipment rack posts Installing the Router 9 Installing the Router Installing the Router Chassis in th...

Page 10: ... mounted using 19 inch brackets you must assemble the cable guides before installing the chassis on the rack Note To install the cable guides perform these steps Procedure Step 1 Position the cable guide left and cable guide right against the front of the chassis and align the four screw holes as shown in the figure for 19 inch rack and in the figure for other racks using standard kit Figure 9 Cab...

Page 11: ...ximum torque is 3N m Wall Mounting the Routers This section shows the procedures to install the Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router on a wall Attaching the Brackets to the Router for Wall Mounting The following figure shows how to attach a 19 inch bracket to the Cisco ASR 920 24SZ M ASR 920 24TZ M Router Installing the Router 11 Installing the Router Wall Mounting the Router...

Page 12: ...he Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router and cables ensure the router is attached securely to wall studs or to a firmly attached plywood mounting backboard Suitable for mounting on and over a concrete or other non combustible surface only Statement 345 Warning Installing the Router 12 Installing the Router Mounting Routers on the Wall ...

Page 13: ... show the wall installation of Cisco ASR 920 24SZ IM Router and the wall installation of Cisco ASR 920 24SZ M ASR 920 24TZ M Router Figure 12 Mounting the Cisco ASR 920 24SZ IM Router on the Wall Drip tray for Cisco ASR 920 24SZ IM Router 1 Installing the Router 13 Installing the Router Mounting Routers on the Wall ...

Page 14: ...own below to meet IEC 60950 1 product safety requirements Caution To install the drip tray for Cisco ASR 920 24SZ IM Router complete the following steps Step 2 Place the drip tray below the router as shown in the figure above Step 3 Tighten the four screws to affix the drip tray to the wall Installing and Removing the Interface Module The sections describe the installation and removal of interface...

Page 15: ...ank filler plate completely out of the router slot using the captive screws Step 3 To insert the interface module carefully align the edges of the interface module between the upper and lower edges of the interface module slot in the router Step 4 Carefully slide the interface module into the router slot until the interface module makes contact with the backplane The following figure shows how to ...

Page 16: ... 920 Series Aggregation Services Router Configuration Guide Note Procedure Step 1 To remove an interface module disconnect all the cables from each interface module Step 2 Loosen the locking thumbscrews on both sides of the interface module Step 3 Slide the interface module out of the router slot by pulling on the handles If you are removing a blank filler plate pull the blank filler plate complet...

Page 17: ...hout powering down the router This feature called hot swapping or Online Insertion and Removal OIR allows you to remove and replace an interface module without disrupting router operation The Cisco ASR 920 24SZ IM Router does not support hot swapping or OIR of TDM IM To activate a TDM IM you must reload the router Without reloading the router the IM or associated front panel ports cannot be used I...

Page 18: ...inutes for the system to reinitialize after a module has been removed or replaced This time is recommended in order to allow for synchronization between components within the interface module and for synchronization with the RSP Caution Installing and Removing the Fan Tray The sections describe the installation and removal of fan tray on the Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Rout...

Page 19: ...Figure 16 Installing the Fan Tray on Cisco ASR 920 24SZ IM Router Installing the Router 19 Installing the Router Installing the Fan Tray ...

Page 20: ... the router will shut down if the fan tray is removed from the chassis for more than five minutes The router can stay active for up to 5 minutes if the temperature is below the ambient limit However in the event of an overtemperature alarm the router can shut down in less than 5 minutes In the event of a critical temperature alarm the router shuts down immediately Caution To avoid erroneous failur...

Page 21: ...ws the front of the Cisco ASR 920 24SZ IM Router fan tray including the captive installation screws Figure 3 19 shows the front of the Cisco ASR 920 24SZ M ASR 920 24TZ M Router fan tray including the captive installation screws Figure 18 Removing the Fan Tray From Cisco ASR 920 24SZ IM Router Installing the Router 21 Installing the Router Removing the Fan Tray ...

Page 22: ...ement 263 Step 3 Wait at least 5 seconds to allow the fans to stop spinning Then pull the fan tray backward towards you and out of the chassis As the fan tray slides out of the chassis support the bottom of the fan tray with one hand and keep your other hand on the fan tray handle Note This completes the steps for removing the fan tray from the chassis To install a new fan tray follow the steps in...

Page 23: ...er supply ejector handles to lift the chassis using these handles to lift the chassis can deform or damage the handles Caution The sections provide more information on the Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router power supplies Preventing Power Loss Use the following guidelines to prevent power loss to the router To prevent loss of input power ensure that the total maximum load o...

Page 24: ... grounding equipment Use the grounding lug to attach a wrist strap for ESD protection during servicing Guidelines for AC Powered Systems Basic guidelines for AC powered systems include the following Each chassis power supply should have its own dedicated branch circuit The circuit breaker should be sized according to the power supply input rating and local or national code requirements The AC powe...

Page 25: ...removed from the DC circuits locate the circuit breakers for the DC circuits switch the circuit breakers to the OFF position and tape the circuit breaker switches in the OFF position Step 4 Grasp the power supply metal tab with one hand Place your other hand underneath the power supply Slide the power supply into the power supply bay as shown in the figure below Make sure that the power supply is ...

Page 26: ...t protection does not exceed 15A Note To attach the DC power supplies Procedure Step 1 Open the DC power supply guard Step 2 Attach the DC supply wires in the designated screws See the figure below Figure 21 Connecting the DC Power Supply Wires Step 3 Close the DC power supply guard Installing the Router 26 Installing the Router Attach Cables to the DC Power Supply ...

Page 27: ...isco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router The Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router power supplies are hot swappable If you have installed redundant power supplies you can replace a single power supply without interrupting power to the router Note To avoid erroneous failure messages allow at least 2 minutes for the system to reinitialize after a power supply ha...

Page 28: ...re servicing the power supply switch off the circuit breaker in your equipment area As an additional precaution tape the circuit breaker switch in the Off position Step 2 Slip on the ESD preventive wrist strap that was included in the accessory kit Step 3 Switch the power supply circuit breaker switch to the Off O position Step 4 Pull the terminal block plug connector out of the terminal block hea...

Page 29: ... installation Install only in accordance with national and local wiring regulations Statement 1045 Warning Installing an AC Power Supply Module Follow these steps to install an AC power supply module Procedure Step 1 Ensure that the system earth ground connection has been made For ground connection installation instructions see the Installing the Chassis Ground Connection section Step 2 If necessa...

Page 30: ...N m Power supply captive installation screws must be tight to ensure protective grounding continuity Statement 289 Warning Activate an AC Power Supply Follow these steps to activate an AC power supply Procedure Step 1 Attach the AC power retainer cord as shown in the figure below Installing the Router 30 Installing the Router Activate an AC Power Supply ...

Page 31: ... Step 2 Lift the power retainer and plug in the AC power supply Step 3 Push the retainer cord towards the power supply cord to lock it in place as shown in the figure below Installing the Router 31 Installing the Router Activate an AC Power Supply ...

Page 32: ...ormation Step 7 If you are installing a redundant power supply repeat these steps for the second power source If you are installing a redundant AC power supply ensure that each power supply is connected to a separate power source in order to prevent power loss in the event of a power failure Note Removing and Replacing an AC Power Supply This section describes how to remove and replace an AC power...

Page 33: ...he DC circuit Statement 1003 Warning Only trained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning Installation of the equipment must comply with local and national electrical codes Statement 1074 Warning Follow these steps to remove and replace an AC power supply Procedure Step 1 Disconnect the power cord from the power source Do not to...

Page 34: ...les are inserted into the SFP module slots as depicted in Installing an SFP Module without a Bale Clasp Latch into an SFP Module Slot on Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router figure These field replaceable modules provide interfaces See the Supported PIDs section for the list of SFP modules that the router supports Each port must match the wavelength specifications on the othe...

Page 35: ...ce on the chassis Some SFP modules identify the top side of the module with send TX and receive RX markings or arrows that show the direction of the connection Step 2 If the SFP module that you are using has the markings use them to identify the top side of the module Step 3 Align the SFP module in front of the slot opening Step 4 Insert the SFP module into the slot until you feel the connector on...

Page 36: ...IM ASR 920 24SZ M ASR 920 24TZ M Router Do not remove the dust plugs from the fiber optic SFP module port or the rubber caps from the fiber optic cable until you are ready to connect the cable The plugs and caps protect the SFP module ports and cables from contamination and ambient light Store the dust plugs for later use Caution Step 5 Insert the cable connector into the SFP module Installing the...

Page 37: ...insert a dust plug into the cable end For reattachment note which cable connector plug is send TX and which is receive RX Tip Step 3 SFP module with Bale Clasp Latch Pull the bale out and down to eject the module as shown in the figure below If the bale clasp latch is obstructed and you cannot use your index finger to open it use a small flat blade screwdriver or other long narrow instrument to op...

Page 38: ...or that have their speed and duplex parameters manually set can reduce performance or result in no linkage Note To maximize performance choose one of these methods for configuring the Ethernet ports Let the ports autonegotiate both speed and duplex Set the port speed and duplex parameters on both ends of the connection Procedure Step 1 When connecting to workstations servers and routers connect a ...

Page 39: ...ing to Fiber Optic SFP Modules Follow these steps to connect a fiber optic cable to an SFP module Class 1 laser product Statement 1008 Warning Do not remove the rubber plugs from the SFP module port or the rubber caps from the fiber optic cable until you are ready to connect the cable The plugs and caps protect the SFP module ports and cables from contamination and ambient light Caution Procedure ...

Page 40: ...4SZ IM Router Fan status LED 2 Grounding lugs 1 Figure 34 Attaching a Grounding Lug to the Rear of the Cisco ASR 920 24SZ M ASR 920 24TZ M Router Fan status LED 2 Grounding lugs 1 To ensure that the chassis ground connection that you provide is adequate you need the following parts and tools Ratcheting torque screwdriver with Phillips head that exerts up to 15 in lb 1 69 N m of torque for attachin...

Page 41: ...t is to be installed in a restrictive access location and must be permanently grounded to a minimum 6 AWG copper ground wire Perform the following procedure to ground the Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router using a 2 hole lug and the corresponding mounting point Most carriers require a minimum 6 AWG ground connection Verify your carrier s requirements for the ground connecti...

Page 42: ... lug is connected to earth ground during normal use Statement 1064 Warning The plug socket combination must be accessible at all times because it serves as the main disconnecting device Statement 1019 Warning This product requires short circuit overcurrent protection to be provided as part of the building installation Install only in accordance with national and local wiring regulations Statement ...

Page 43: ...nsure that the total maximum load on each circuit supplying the power supplies is within the current ratings of the wiring and breakers In some systems you can use an UPS to protect against power failures at your site Avoid UPS types that use ferroresonant technology These UPS types can become unstable with systems such as the Cisco ASR 920 Series Router which can have substantial current draw flu...

Page 44: ... loss in the event of a power failure Note Connecting a Router to the Network The sections describe how to connect a Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router to the network Connect only SELV services to all the Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router ports Note Connecting Console Cables This section describes how to connect to the Cisco ASR 920 Router using con...

Page 45: ...e USB port is used it takes priority over the EIA port Note Step 2 Connect the USB Type A cable to the PC Step 3 To communicate with the router start a terminal emulator application such as Microsoft Windows HyperTerminal Configure the software with the following parameters 9600 baud 8 data bits no parity 1 stop bit no flow control Figure 37 Connecting the USB Console Cable to the Cisco ASR 920 Ro...

Page 46: ...port speed Example macbook user screen dev tty usbmodem1411 9600 To disconnect the OS X USB console from the terminal window enter Ctrl a followed by Ctrl Connecting to the Console Port Using Linux This procedure shows how to connect a Linux system USB port to the console using the built in Linux terminal utility Procedure Step 1 Open the Linux terminal window Step 2 Connect the Linux USB port to ...

Page 47: ...ly Vers2 1 0 0 EXE folder Installation Wizard GUI is displayed Step 3 Click Next The InstallShield Wizard Completed window is displayed Step 4 Click Finish Step 5 Connect the USB cable to the PC and router USB console ports Follow the on screen instructions to complete the installation of the driver Step 6 XR21V1401 USB UART Device driver successfully installed message is displayed The USB console...

Page 48: ... Connect the USB end of the USB to RJ 45 cable to the EIA Console port Step 2 Connect the RJ 45 end of the DB 9 adapter cable to the USB to RJ 45 cable as shown in the figure below Figure 38 Connecting a Modem to the Cisco ASR 920 24SZ IM ASR 920 24SZ M ASR 920 24TZ M Router USB to RJ 45 adapter 2 EIA Console port 1 Desktop or system 4 RJ 45 to DB 9 cable 3 Step 3 Connect the DB 9 end of the conso...

Page 49: ...its wiring These interfaces are designed for use as intra building interfaces only Type 2 or Type 4 ports as described in GR 1089 CORE and require isolation from the exposed OSP cabling The addition of Primary Protectors is not sufficient protection in order to connect these interfaces metallically to OSP wiring Statement Warning Installing and Removing SFP and SFP Modules The Cisco ASR 920 24SZ I...

Page 50: ...mmon 2 If you do not run this command before removing the USB the following error message is displayed rommon 2 dir usb0 usb_stor_BBB_comdat usb_bulk_msg error failed to send CBW status 34 RESET stall usb_stor_BBB_comdat usb_bulk_msg error failed to send CBW status 34 RESET stall usb_stor_BBB_comdat usb_bulk_msg error Step 2 Pull the memory stick from the USB port Step 3 To replace the Cisco USB f...

Page 51: ... s BITS port Procedure Step 1 Confirm that the router is powered off Step 2 Connect one end of the cable to the BITS port using a straight through shielded RJ48C to RJ48C cable Step 3 Connect the other end to the BTS patch or demarcation panel at your site Step 4 Turn on the power to the router For information about the BITS port pinouts see the Troubleshooting section Connecting Cables to the GPS...

Page 52: ...sover Category 5 unshielded twisted pair UTP cables Cisco does not supply Category 5 UTP cables these cables are available commercially To comply with the Telcordia GR 1089 NEBS standard for electromagnetic compatibility and safety connect the Gigabit Ethernet ports only to intra building or unexposed wiring or cable The intrabuilding cable must be shielded and the shield must be grounded at both ...

Page 53: ...s to Cisco optical and Ethernet SFP interfaces see http www cisco com en US partner products hw modules ps5455 prod_installation_guides_list html Connector and Cable Specifications For more information on cable specifications and pinouts see the Troubleshooting section Installing the Router 53 Installing the Router Connecting Cables to SFP Modules ...

Page 54: ...Installing the Router 54 Installing the Router Connector and Cable Specifications ...

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