Cisco 8800 Series Hardware Installation Manual Download Page 79

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Power Cord
Illustration

Connector Part
Number

Power
Cord Set
Rating

Cisco Part
Number
(CPN)

Part Number

Locale

Refer the figure in

Power Cord
Illustrations, on page
74

Saf-D-Grid
3-5958P4 to
VOLEX 174606

30A,
250VAC

37-101008-01,
37-101009-01

CAB-AC-30A-US1,
CAB-AC-30A-US2

NORTH
AMERICA

Refer the figure in

Power Cord
Illustrations, on page
74

Saf-D-Grid
3-5958P4 to
Saf-D-Grid
3-5958P4

30A,
400VDC

37-101014-01

CAB-DC-30A-US1,
CAB-DC-30A-US2

NORTH
AMERICA

Refer the figure in

Power Cord
Illustrations, on page
74

Saf-D-Grid
3-5958P4 to
HBL2631

30A,
277VAC

37-101013-01

CAB-AC-30A-US3

NORTH
AMERICA

Refer the figure in

Power Cord
Illustrations, on page
74

Saf-D-Grid
3-5958P4 to
Saf-D-Grid
3-6074P30

30A,
300VAC

37-101018-01

CAB-AC-30A-US4

NORTH
AMERICA

Refer the figure in

Power Cord
Illustrations, on page
74

Saf-D-Grid
3-5958P4 to
Saf-D-Grid
3-6074P30

32A,
300VAC

37-101019-01

CAB-AC-32A-EU

IEC/EU

Refer the figure in

Power Cord
Illustrations, on page
74

Saf-D-Grid
3-5958P4 to
Saf-D-Grid
3-5958P4

32A,
400VDC

37-101015-01

CAB-DC-32A-EU1,
CAB-DC-32A-EU2

IEC/EU

Refer the figure in

Power Cord
Illustrations, on page
74

32A,
250VAC

37-101010-01

CAB-AC-32A-CHN

CHINA

Refer the figure in

Power Cord
Illustrations, on page
74

32A,
250VAC

37-101012-01

CAB-AC-32A-KOR

KOREA

Hardware Installation Guide for Cisco 8800 Series Routers

Powering on the Router

Power Supply Power Cord Specifications

Summary of Contents for 8800 Series

Page 1: ...sco 8800 Series Routers First Published 2019 11 07 Last Modified 2021 10 15 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 2: ... USAGE OR TRADE PRACTICE IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Any Internet Protocol IP addresses and phone numbers use...

Page 3: ...ed Optics 11 Prepare for Installation 13 C H A P T E R 2 Safety Guidelines 13 Compliance and Safety Information 14 Laser Safety 14 Energy Hazard 15 Preventing Electrostatic Discharge Damage 15 Cautions and Regulatory Compliance Statements for NEBS 16 Installation Guidelines 16 Procure Tools and Equipment 17 Rack Mount and Accessory Kits 17 Prepare Your Location 18 Prepare Yourself 20 Prepare Rack ...

Page 4: ...ns 72 Power Cord Illustrations 74 Connect Router to the Network 77 C H A P T E R 5 Connecting a Console to the Router 77 Connect the Management Interface 78 Transceivers Connectors and Cables 79 Transceiver and Cable Specifications 79 RJ 45 Connectors 79 Install and Remove QSFP Transceiver Modules 80 Required Tools and Equipment 81 Installing the Transceiver Module 81 Attach the Optical Network Ca...

Page 5: ... Filters 107 Provision of Grace Period Before Route Processor Shutdown from Ejector Lever 109 Replace a Route Processor Card 110 Replace a Line Card 115 Replace a Fan Tray 117 Remove Fan Tray 117 Install Fan Tray 117 Replace Fabric Card 119 Remove a Fabric Card 119 Install a Fabric Card 122 Replace Power Supply Components 125 Install Power Shelf Bezel 125 Replace DC Power Module 128 Disconnect DC ...

Page 6: ...Hardware Installation Guide for Cisco 8800 Series Routers vi Contents ...

Page 7: ...21 RU router that supports distributed forwarding across multiple field replaceable units FRUs The Cisco 8808 is a 16 RU router that supports distributed forwarding across multiple field replaceable units FRUs The Cisco 8804 is a 10 RU router that supports distributed forwarding across multiple field replaceable units FRUs Cisco 8800 Series Routers on page 2 Line Card Overview on page 4 Route Proc...

Page 8: ...describes the Cisco 8818 router components and the supported quantity Table 3 Cisco 8818 Router Components Quantity Component 18 Line cards 2 Route Processors 8 Fabric Cards 4 Fan trays 6 Power trays HVAC HVDC 18 3 per tray DC60 24 4 per tray DC100 24 4 per tray Power supplies The following table describes the Cisco 8812 router components and the supported quantity Table 4 Cisco 8812 Router Compon...

Page 9: ... Power trays HVAC HVDC 9 3 per tray DC60 12 4 per tray DC100 12 4 per tray Power supplies The following table describes the Cisco 8804 router components and the supported quantity Table 6 Cisco 8804 Router Components Quantity Component 4 Line cards 2 Route Processors 8 Fabric Cards 4 Fan trays 2 Power trays HVAC HVDC 6 3 per tray DC60 8 4 per tray DC100 8 4 per tray Power supplies Hardware Install...

Page 10: ... Q200 Silicon Chip The Cisco 8800 modular chassis support the Cisco 8800 36x400 GE QSFP56 DD Line Card 88 LC0 36FH 88 LC0 36FH line card is Q200 silicon chip based providing 14 4 Tbps of throughput line rate without MACSec on all ports The line card provides up to 144 ports of 100 GE via breakout and support QSFP QSFP28 and QSFP28 DD modules 88 LC0 36FH line card is supported on Cisco 8808 and Cis...

Page 11: ... Route Processor SyncE BITS DTI J 211 5 Console RS 232 Serial Port RJ45 1 G 703 Time of Day TOD 6 USB Port Type A 2 ports Port A gets detected ahead of Port B Top Port B Bottom Port A 2 1 0 2 3 50 ohm connector for 10 MHz input and output 7 Control Plane Expansion SFP SFP port 3 1 0 2 3 50 ohm connector for 1 PPS input and output 8 Top Management Ethernet 10 100 1000 Mbps RJ 45 Copper port LAN Bot...

Page 12: ...s Release 7 3 15 8808 FC0 Fabric Card based on Q200 Silicon Chip The Cisco 8800 series routers are powered by the Cisco Silicon One Q200 and Q100 series processors Cisco 8800 Series Routers support the following Q100 Silicon based fabric cards 8818 FC Cisco 8818 Fabric Card based on Q100 Silicon 8812 FC Cisco 8812 Fabric Card based on Q100 Silicon 8808 FC Cisco 8808 Fabric Card based on Q100 Silic...

Page 13: ...ximum Power Available to the Router The maximum power available for operations depends on the input power from your power source the number and output capabilities of your power supplies and the power redundancy mode that you use The following table lists the amount of power available for Cisco 8800 series routers from all available power trays Table 10 Maximum Power Available for a Router with HV...

Page 14: ...e applicable for Cisco 8818 Router Note Table 11 Maximum Power Available for a Router with DC60 Power Supplies or DC100 Power Supplies in 60A Mode Total Power Tray N N Redundancy Mode in Watts with Feed Loss N 1 Redundancy Mode in Watts with Single Supply Loss CombinedModeinWatts No redundancy Total Power Supply 1 2 200 4 400 1 4 400 4 400 8 800 2 6 600 8 800 13 200 3 8 800 13 200 17 600 4 21 11 0...

Page 15: ...with Feed Loss N 1 Redundancy Mode in Watts with Single Supply Loss CombinedModeinWatts No redundancy Total Power Supply 43 28 600 52 800 57 200 13 30 800 57 200 61 600 14 33 000 61 600 66 000 15 35 200 66 000 70 400 16 53 37 400 70 400 74 800 17 39 600 74 800 79 200 18 41 800 79 200 83 600 19 44 000 83 600 88 000 20 63 46 200 88 000 92 400 21 48 400 92 400 96 800 22 50 600 96 800 101 200 23 52 80...

Page 16: ...00 10 26 400 48 000 52 800 11 28 800 52 800 57 600 12 1 Cisco 8804 router supports 2 power trays 2 Cisco 8808 and Cisco 8812 routers support 3 power trays Note Total Power Tray N N Redundancy Mode in Watts with Feed Loss N 1 Redundancy Mode in Watts with Single Supply Loss CombinedModeinWatts No redundancy Total Power Supply 43 31 200 57 600 62 400 13 33 600 62 400 67 200 14 36 000 67 200 72 000 1...

Page 17: ...ed Optics To determine which transceivers and cables are supported by this router refer to the Transceiver Module Group TMG Compatibility Matrix Tool https tmgmatrix cisco com home For QSFP DD data sheets refer to the Cisco 400G QSFP DD Cable and Transceiver Modules Data Sheet For QSFP28 data sheets refer to the Cisco 100GBASE QSFP 100G Modules Data Sheet For QSFP data sheets refer to the Cisco 40...

Page 18: ...Hardware Installation Guide for Cisco 8800 Series Routers 12 Cisco 8800 Series Routers Overview Supported Optics ...

Page 19: ...SE INSTRUCTIONS Warning Safety Guidelines on page 13 Compliance and Safety Information on page 14 Laser Safety on page 14 Energy Hazard on page 15 Preventing Electrostatic Discharge Damage on page 15 Cautions and Regulatory Compliance Statements for NEBS on page 16 Installation Guidelines on page 16 Procure Tools and Equipment on page 17 Prepare Your Location on page 18 Prepare Yourself on page 20...

Page 20: ...the ground connection must always be made first and disconnected last To prevent personal injury or damage to the chassis never attempt to lift or tilt the chassis using the handles on modules such as power supplies fans or cards these types of handles are not designed to support the weight of the unit Hazardous voltage or energy is present on the backplane when the system is operating Use caution...

Page 21: ... Always replace cover when terminals are not in service Be sure uninsulated conductors are not accessible when cover is in place Warning Preventing Electrostatic Discharge Damage Many router components can be damaged by static electricity Not exercising the proper electrostatic discharge ESD precautions can result in intermittent or complete component failures To minimize the potential for ESD dam...

Page 22: ...tive device SPD at the service equipment complying with NFPA 70 the National Electrical Code NEC Statement 7012 Warning This equipment is suitable for installations utilizing the Common Bonding Network CBN Statement 7013 Warning The battery return conductor of this equipment shall be treated as DC I Statement 7016 Warning This equipment is suitable for installation in Network Telecommunications Fa...

Page 23: ...ced by 1 C For more details on environmental requirements see Cisco 8000 Series Routers Data Sheet Note Procure Tools and Equipment Obtain these necessary tools and equipment for installing the chassis Number 1 and number 2 Phillips screwdrivers with torque capability to rack mount the chassis 3 16 inch flat blade screwdriver Tape measure and level ESD wrist strap or other grounding device Antista...

Page 24: ...e the Power Supply Power Cord Specifications section for information on the available power cords If you notice any discrepancies or damage send the following information to your customer service representative by email Invoice number of the shipper see the packing slip Model and serial number of the missing or damaged unit Description of the problem and how it affects the installation Photos of t...

Page 25: ...ance and size may vary Note This image is only for representational purposes Your grounding requirement depends on your building Note Figure 2 Building with Rack Room Connected to Earth Ground Hardware Installation Guide for Cisco 8800 Series Routers 19 Prepare for Installation Prepare Your Location ...

Page 26: ...stallation Install the Cisco 8800 Series Routers on a standard 19 inch Electronic Industries Alliance EIA rack with mounting rails that conform to English universal hole spacing according to Section 1 of the ANSI EIA 310 D 1992 standard The spacing between the posts of the rack must be EIA 310 D 1992 19 inch rack compatible wide enough to accommodate the width of the chassis Before you move the ch...

Page 27: ...ed Ensure that the rack in which the chassis is being installed is grounded to earth ground Note Clearance Requirements To ensure adequate airflow we recommended that you maintain a minimum clearance distance always as mentioned in the following figure Following figure shows the clearances required for installation of Cisco 8800 Series Routers Figure 4 Clearances Required Around the Chassis 8 Moun...

Page 28: ...lacement Following figure shows the clearances required for the cable management of Cisco 8800 Series Routers Figure 5 Clearances Required Around the Chassis Door 3 Depth of cable management 1 Overall door width on side in an open position 4 Overall door depth on front in an open position 2 Maximum vertical rack rail setback when filters are installed on the chassis Hardware Installation Guide for...

Page 29: ... on page 30 Install Cable Management on a Chassis on page 45 Attach Front Door to Chassis on page 56 Unpack the Chassis Be sure to save the packaging in case you need to return any of the components products Tip Ensure that there is sufficient room around the chassis pallet for unpacking For information about the chassis dimensions and clearance requirements see Clearance Requirements Carefully mo...

Page 30: ...Hardware Installation Guide for Cisco 8800 Series Routers 24 Unpack and Install the Chassis Unpack the Chassis ...

Page 31: ...Figure 6 Remove Shipping Brackets from 8818 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 25 Unpack and Install the Chassis Unpack the Chassis ...

Page 32: ... 7 Remove Shipping Brackets from 8812 Chassis Figure 8 Remove Shipping Brackets from 8808 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 26 Unpack and Install the Chassis Unpack the Chassis ...

Page 33: ...he chassis in a rack Install Bottom Support Rails The bottom support rails support the weight of the router chassis in the rack To maximize the stability of the rack you must attach these rails at the lowest possible rack unit RU Procedure Step 1 Position the vertical rack rails at 32 depth to match with the length of the bottom support rails Check spacing considerations Maintain at least 21 RU 36...

Page 34: ...ps 1 and 2 to attach the other bottom support rail to the rack Make sure that the two bottom support rails are level with one another If they are not level adjust the higher rail down to the level of the lower rail Note What to do next Mount the chassis into the rack Transfer Chassis to a Mechanical Lifting Device Procedure Step 1 Place the mechanical lifting device in front of the chassis on the ...

Page 35: ...acing a piece of cardboard on the surface of the lift to prevent scratching Step 3 With at least two or three people move the chassis carefully from the pallet onto the lifting device as shown Hardware Installation Guide for Cisco 8800 Series Routers 29 Unpack and Install the Chassis Transfer Chassis to a Mechanical Lifting Device ...

Page 36: ...ligns with a corresponding hole in the equipment rack By using the corresponding mounting hole in the same hole group on the opposite side of the chassis you can level the chassis in the rack To lift the chassis use a mechanical lift Do not use the handles on the side of the chassis Use the side handles for only repositioning the chassis after it is already on the mechanical lift or in the rack or...

Page 37: ... contact with the vertical mounting rails on the rack Step 3 Use screws provided with the rack to secure the chassis with the vertical mounting rails on the rack Figure 13 Attach 8818 Chassis to Rack Front Hardware Installation Guide for Cisco 8800 Series Routers 31 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 38: ...Figure 14 Attach 8812 Chassis to Rack Front Hardware Installation Guide for Cisco 8800 Series Routers 32 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 39: ...Figure 15 Attach 8808 Chassis to Rack Front Hardware Installation Guide for Cisco 8800 Series Routers 33 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 40: ... to Secure the Cisco 8800 Chassis to the Rack Screws for Rear Screws for Front Chasiss 17 46 Cisco 8818 12 30 Cisco 8812 14 22 Cisco 8808 10 12 Cisco 8804 Step 4 Use the screws provided with the rack to attach the chassis rear rails Hardware Installation Guide for Cisco 8800 Series Routers 34 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 41: ...Figure 17 Attach 8818 Chassis to Rack Rear Left View Hardware Installation Guide for Cisco 8800 Series Routers 35 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 42: ...Figure 18 Attach 8818 Chassis to Rack Rear Right View Hardware Installation Guide for Cisco 8800 Series Routers 36 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 43: ...tach 8812 Chassis to Rack Rear Left View Figure 20 Attach 8812 Chassis to Rack Rear Right View Hardware Installation Guide for Cisco 8800 Series Routers 37 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 44: ...each screw to 26 in lbs 2 93 N m of torque 2 Rear right rack mounting bracket 1 Figure 21 Attach 8808 Chassis to Rack Rear Left View Hardware Installation Guide for Cisco 8800 Series Routers 38 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 45: ...tach 8808 Chassis to Rack Rear Right View Figure 23 Attach 8804 Chassis to Rack Rear Left View Hardware Installation Guide for Cisco 8800 Series Routers 39 Unpack and Install the Chassis Mount Chassis Into the Rack ...

Page 46: ...do next Connect the chassis to the ground at your facility Locate and Ground the Chassis Procedure Step 1 Locate the chassis grounding receptacles on your router chassis You can locate them at the following position At the left side panel lower section towards the rear Hardware Installation Guide for Cisco 8800 Series Routers 40 Unpack and Install the Chassis Locate and Ground the Chassis ...

Page 47: ...Figure 25 Chassis Ground Receptacles on Cisco 8818 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 41 Unpack and Install the Chassis Locate and Ground the Chassis ...

Page 48: ...Figure 26 Chassis Ground Receptacles on Cisco 8812 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 42 Unpack and Install the Chassis Locate and Ground the Chassis ...

Page 49: ...Figure 27 Chassis Ground Receptacles on Cisco 8808 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 43 Unpack and Install the Chassis Locate and Ground the Chassis ...

Page 50: ...strip one end of the 2 AWG wire approximately 0 75 inches 19 05 mm Step 3 Insert the 2 AWG wire into the wire receptacle on the grounding lug Figure 29 Ground the Chassis Hardware Installation Guide for Cisco 8800 Series Routers 44 Unpack and Install the Chassis Locate and Ground the Chassis ...

Page 51: ...p 7 Connect the opposite end of the grounding wire to the appropriate grounding point at your site to ensure an adequate chassis ground What to do next Attach the chassis doors Install Cable Management on a Chassis Before you begin The chassis must be installed and secured to the rack Required tools and equipment Phillips screwdriver with a torque capability customer supplied Cable management brac...

Page 52: ...Figure 30 Cable Management Brackets for 8818 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 46 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 53: ...anagement Brackets for 8812 Chassis Figure 32 Cable Management Brackets for 8808 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 47 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 54: ... the screws until the cable management brackets bottom cover and top hood are installed Note Step 3 Repeat Steps 1 and 2 to attach the other cable management bracket to the vertical mounting bracket on the opposite side of the chassis Step 4 Remove the power shelf bezel from the chassis and proceed with bottom cover and top hood installation Step 5 Position the bottom cover with its brackets point...

Page 55: ...Figure 34 Bottom Cover for 8818 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 49 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 56: ...Figure 35 Bottom Cover for 8812 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 50 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 57: ...e the bottom cover to the cable management brackets by using four M4 x 6 mm pan head Phillips screws Tighten each screw to 11 5 to 15 in lb 1 3 to 1 7 N m of torque Hardware Installation Guide for Cisco 8800 Series Routers 51 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 58: ...m cable to the top hood Figure 39 Connect Alarm Cable Door open alarm is supported in the chassis Note Step 9 Position the top hood with its brackets pointing down above the cable management bracket screw holes Hardware Installation Guide for Cisco 8800 Series Routers 52 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 59: ...Figure 40 Top Hood for 8818 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 53 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 60: ...Figure 41 Top Hood for 8812 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 54 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 61: ...he top hood with the cable management brackets by using four M4 x 6 mm pan head Phillips screws Tighten each screw to 11 5 to 15 in lb 1 3 to 1 7 N m of torque Hardware Installation Guide for Cisco 8800 Series Routers 55 Unpack and Install the Chassis Install Cable Management on a Chassis ...

Page 62: ...ed tools and equipment Phillips screwdriver with a torque capability customer supplied Door kit 8818 KIT 8812 KIT 8808 KIT or 8804 KIT The door kit is optional Note Procedure Step 1 Remove the power shelf bezel from the chassis if already installed This is to ease the installation of chassis doors Step 2 On the back side open side of one door pull in on two protruding spring pins so that the pins ...

Page 63: ...lign the spring pin to hole in the bottom plate and release the spring pin so that they insert into the bottom hole Hardware Installation Guide for Cisco 8800 Series Routers 57 Unpack and Install the Chassis Attach Front Door to Chassis ...

Page 64: ...Figure 45 Attach Front Door to 8818 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 58 Unpack and Install the Chassis Attach Front Door to Chassis ...

Page 65: ...ure 46 Attach Front Door to 8812 Chassis Figure 47 Attach Front Door to 8808 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 59 Unpack and Install the Chassis Attach Front Door to Chassis ...

Page 66: ...ep 8 Replace the power supply bezel and secure it with the provided jackscrews For information on replacing the power supply bezel see Install Power Shelf Bezel on page 125 Install the following modules if you had them removed from the chassis while mounting into the rack Fan trays For more information on replacing components see Replace a Fan Tray Note Ground the Front Door To comply with GR 1089...

Page 67: ...r round terminal of the grounding cable to the ground port on the cable management bracket on either left or right side of the chassis Use the front hole of the bracket that connects the top cover to the cable management bracket Tighten the M4 screw to 11 5 to 15 in lb 1 3 to 1 7 N m of torque Step 4 Repeat Steps 1 3 to install the grounding cable to the other front door Step 5 Close and lock the ...

Page 68: ...Hardware Installation Guide for Cisco 8800 Series Routers 62 Unpack and Install the Chassis Ground the Front Door ...

Page 69: ... mode to 60A a toggle switch is provided in the power tray Release 7 3 2 60A support on the PSU4 8KW DC100 DC100 power supply You can install an AC or a DC power module in the chassis Ensure all power connection wiring conforms to the rules and regulations in the National Electrical Code NEC as well as local codes Each chassis has a power assembly shelf that supports the following number of power ...

Page 70: ...U6 3KW HV Each 6 3 KW 30A power module can supply up to 6 3 KW to the power tray when it s supplied by two feeds A and B It can supply up to 4 8 KW with only one feed DC Power Supplies There are two types of DC power modules supported on Cisco 8800 router series PWR 4 4KW DC V3 The 4 4KW power supply that accepts a nominal input voltage of 48V 60A DC with an operational tolerance range of 40 to 72...

Page 71: ...h is located in the left hand side on the power tray The power mode switch must be in the same position for all power trays installed in the chassis either 60A or 100A mode Note Figure 52 Power Mode Switch on the Power Tray Power mode switch 1 A plug cover is also provided to block the access to the power mode switch as shown in the below figure Hardware Installation Guide for Cisco 8800 Series Ro...

Page 72: ... equivalent for 2 AWG cables use Panduit part number LCD2 14AF Q or equivalent If you are not using power redundancy or are using n 1 power redundancy you can connect all the power supplies in the chassis to the same power grid on the rear end of each power tray If you are using n n power redundancy connect one redundant grid to one of the power supply inputs and the other redundant grid to the ot...

Page 73: ...rse polarity condition immediately Caution The length of the cables depends on the location of your router in relation to the source of DC power These cables and the cable lugs that are used to attach the cables to the router chassis are not available from Cisco Systems They are available from any commercial cable vendor Note Hardware Installation Guide for Cisco 8800 Series Routers 67 Powering on...

Page 74: ... to connect the DC source power cables to a DC power tray Procedure Step 1 Verify that the power tray switch is set to the STANDBY 0 position Figure 55 DC Power Tray Front 2 Rear 1 Step 2 Remove the clear plastic safety covers that fit over the DC power connection terminal studs Hardware Installation Guide for Cisco 8800 Series Routers 68 Powering on the Router Connect DC Power Supply to Power Sou...

Page 75: ...upply has 2 redundant input power lines It can provide a power output of 6 3 kW from each input power line with 2 inputs operating or provide 4 8 kW 30A or 3 15 kW 20A output from either input with one input operating The HVAC HVDC power supply provides n n or n x line redundancy mode in a single power supply for the Cisco 8800 Series Routers The HVAC HVDC power supply accepts a maximum of 305VAC ...

Page 76: ...rated for 20A maximum input current Procedure Step 1 Choose your power supply HVAC or HVDC and use a Saf D Grid power cable to connect to the power supply tray Step 2 For HVAC input connect a Saf D Grid AC power cable to the Saf D Grid receptacle Figure 57 HV Power Tray Front 2 Rear 1 Hardware Installation Guide for Cisco 8800 Series Routers 70 Powering on the Router Connect HVAC HVDC Power Supply...

Page 77: ...e only one input the IN LED is blinking green Note Step 6 Turn on the switch of the power shelf to turn on the system What to do next Use the power mgmt redundancy num pms number command in config mode to convert the power module redundancy from n 1 to n x specifying the number of redundant power modules that the you want to configure The total number of functioning power modules in the system is ...

Page 78: ...ower Cord Illustrations on page 74 Saf D Grid 3 5958P2 to IEC 60320 C20 20A 250VAC 37 2126 01 CAB AC 20A NA IEC EU US CANADA MEXICO BRAZIL NETHERLANDS IRELAND FRANCE UK GERMANY SWITZERLAND NORWAY SPAIN ITALY SINGAPORE CHINA SOUTH AFRICA Refer the figure in Power Cord Illustrations on page 74 Saf D Grid 3 5958P4 to Hubbell C332P6S Plug 32A 250VAC 37 101007 01 CAB AC 32A ANZ CAB AC 32A CHE CAB AC 32...

Page 79: ...ICA Refer the figure in Power Cord Illustrations on page 74 Saf D Grid 3 5958P4 to Saf D Grid 3 6074P30 30A 300VAC 37 101018 01 CAB AC 30A US4 NORTH AMERICA Refer the figure in Power Cord Illustrations on page 74 Saf D Grid 3 5958P4 to Saf D Grid 3 6074P30 32A 300VAC 37 101019 01 CAB AC 32A EU IEC EU Refer the figure in Power Cord Illustrations on page 74 Saf D Grid 3 5958P4 to Saf D Grid 3 5958P4...

Page 80: ...ZAF CAB AC 32A ISR CAB AC 32A IND CAB AC 32A ARG Power Cord and Plugs for Standard AC Power Supply Figure 61 CAB AC 30A US1 CAB AC 30A US2 Power Cord and Plugs for Standard AC Power Supply Figure 62 CAB DC 30A US1 CAB DC 30A US2 Power Cord and Plugs for HVDC Power Supply Hardware Installation Guide for Cisco 8800 Series Routers 74 Powering on the Router Power Cord Illustrations ...

Page 81: ...upply Figure 65 CAB AC 32A EU Power Cord and Plugs for Standard AC Power Supply Figure 66 CAB DC 32A EU1 CAB DC 32A EU2 Power Cord and Plugs for HVDC Power Supply Figure 67 CAB AC 32A CHN Power Cord and Plugs for Standard AC Power Supply Hardware Installation Guide for Cisco 8800 Series Routers 75 Powering on the Router Power Cord Illustrations ...

Page 82: ...Figure 68 CAB AC 32A KOR Power Cord and Plugs for Standard AC Power Supply Hardware Installation Guide for Cisco 8800 Series Routers 76 Powering on the Router Power Cord Illustrations ...

Page 83: ...n IP address for the router The router can be accessed using remote management protocols such as SSH and Telnet By default SSH is included in the software image But telnet is not part of the software image You must manually install the telnet optional package to use it You also can use the console to perform the following functions each of which can be performed through the management interface af...

Page 84: ...t No parity Step 2 Connect and RJ45 rollover cable to a terminal PC terminal emulator or terminal server The RJ45 rollover cable is not part of the accessory kit Step 3 Route the RJ45 rollover cable as appropriate and connect the cable to the console port on the chassis If the console or modem cannot use an RJ45 connection use the DB9F RJ45F PC terminal adapter Alternatively you can use an RJ45 DS...

Page 85: ... central slot in the cable management system Step 3 Connect the other end of the cable to a 100 1000 Ethernet port on a network device What to do next You are ready to connect the interface ports on each of the line cards to the network Transceivers Connectors and Cables Transceiver and Cable Specifications To determine which transceivers and cables are supported by this router see Cisco Transceiv...

Page 86: ...cabling and removal instructions for the Quad Small Form Factor Pluggable transceiver modules Refer to the Cisco Optical Transceiver Handling Guide for additional details on optical transceivers The following figure shows a 400 Gigabit QSFP DD optical transceiver Figure 70 400 Gigabit QSFP DD Transceiver Module QSFP DD transceiver body 2 Pull tab 1 Electrical connection to the module circuitry 3 H...

Page 87: ...ug them back into the optical ports of another module Use dust caps for all the open ports on the chassis The router ships with dust caps plugged in We highly recommend you to keep the dust caps plugged in until you are ready to plug an optic The dust caps protect the ports from possible EMI interference and also avoid contamination due to dust collection To meet the EMI interference requirements ...

Page 88: ...st strap to yourself and a properly grounded point on the chassis or the rack Step 2 Remove the transceiver module from its protective packaging Step 3 Check the label on the transceiver module body to verify that you have the correct model for your network Do not remove the dust plug until you re ready to attach the network interface cable Dust plug is not shown in the images Step 4 Hold the tran...

Page 89: ... Transceiver Module Attach the Optical Network Cable Before you begin Before you remove the dust plugs and make any optical connections follow these guidelines Keep the protective dust plugs installed in the unplugged fiber optic cable connectors and in the transceiver optical bores until you are ready to make a connection Inspect and clean the optical connector end faces just before you make any ...

Page 90: ... face type Note Inspect the MPO connector for the correct cable type cleanliness and any damage For complete information on inspecting and cleaning fiber optic connections see the Inspection and Cleaning Procedures for Fiber Optic Connections document Note Procedure Step 1 Remove the dust plugs from the optical network interface cable MPO connectors and from the transceiver module optical bores Sa...

Page 91: ... Transceiver Module Step 4 Slide the transceiver out of the socket Step 5 Place the transceiver module into an antistatic bag Connect Interface Ports You can connect optical interface ports on line cards with other devices for network connectivity Connect a Fiber Optic Port to the Network Depending on which line card model that you are using you can use either QSFP or QSFP28 transceivers Some tran...

Page 92: ...ks a series of configuration related questions You can use the default choices for each configuration except for the IP address which you must provide These routers are designed to boot up in less than 30 mins provided the neighboring devices are in full operational state Note When the system is powered on and the console port is connected to the terminal the RP CPU messages are seen You can toggl...

Page 93: ...of your password and rejects your password if it is not considered to be a strong password To increase the security strength of your password make sure that it adheres to the following guidelines at least eight characters minimizes or avoids the use of consecutive characters such as abcd minimizes or avoids repeating characters such as aaa does not contain recognizable words from the dictionary do...

Page 94: ...urations Description Command Displays the state information of each card show platform Displays the status of route processor redundancy show redundancy Displays LED information for the router or for a specific LED location show led Displays field programmable device FPD compatibility for all modules or a specific module show hw module fpd Displays all existing alarms in the router show alarms bri...

Page 95: ...itching card only that card is shut down If the threshold exceeds an active Route Processor card with HA standby or standby present only that Route Processor card is shut down and the standby Route Processor card takes over If you do not have a standby Route Processor card in your router you have up to 2 minutes to decrease the temperature During this interval the software monitors the temperature...

Page 96: ... 93 97 102 Pwr_Brick_Temp1 34 10 5 0 120 125 130 ALDRIN_TEMP_0 36 5 0 5 95 100 110 Control_Sensor 28 10 5 0 60 65 70 Location VOLTAGE Value Crit Minor Minor Crit Sensor mV Lo Lo Hi Hi 0 RP0 CPU0 IBV 10288 8928 9312 11536 11984 VP1P8_OCXO 1806 1638 1710 1890 1962 P1_8V 1816 1638 1710 1890 1962 P1_0V_ALDRIN_SD 1006 910 950 1050 1090 P1_0V_ALDRIN_CRE 985 930 970 1030 1070 P1V 1006 910 950 1050 1090 P...

Page 97: ...al of Power Modules 10307W 46 0A 9691W 176 0A Location Card Type Power Power Status Allocated Used Watts Watts 0 RP0 CPU0 8800 RP 249 80 ON 0 RP1 CPU0 8800 RP 249 73 ON 0 0 CPU0 25 RESERVED 0 1 CPU0 8800 LC 48H 1365 499 ON 0 2 CPU0 8800 LC 48H 1365 499 ON 0 3 CPU0 8800 LC 48H 1365 509 ON 0 4 CPU0 8800 LC 48H 1365 503 ON 0 5 CPU0 8800 LC 48H 1365 511 ON 0 6 CPU0 8800 LC 48H 1365 664 ON 0 7 CPU0 880...

Page 98: ...ot_1_Temp 31 10 5 0 80 85 90 Hot_Spot_2_Temp 31 10 5 0 80 85 90 TMP421_Temp 30 10 5 0 95 100 105 PEX8725_Temp 39 10 5 0 95 100 105 X86_PKG_TEMP 39 10 5 0 93 97 102 Pwr_Brick_Temp1 34 10 5 0 120 125 130 ALDRIN_TEMP_0 36 5 0 5 95 100 110 Control_Sensor 28 10 5 0 60 65 70 0 FT0 Hotswap_Temp 29 10 5 0 65 75 85 Low_vol_Temp 31 10 5 0 65 75 85 0 FT1 Hotswap_Temp 30 10 5 0 65 75 85 Low_vol_Temp 32 10 5 0...

Page 99: ..._Temp 87 10 5 0 105 108 110 LLC_B_Temp 10245 10 5 0 125 127 130 SR_B_Temp 10245 10 5 0 125 127 130 ORING_B_Temp 10245 10 5 0 125 127 130 PFC_A_Temp 10245 10 5 0 125 127 130 LLC_A_Temp 10245 10 5 0 125 127 130 SR_A_Temp 10245 10 5 0 125 127 130 ORING_A_Temp 10245 10 5 0 125 127 130 0 PT0 PM2 PFC_B_Temp 72 10 5 0 125 127 130 Inlet_Temp 25 10 5 0 65 67 70 HSNK_Temp 72 10 5 0 125 127 130 Outlet_Temp 6...

Page 100: ...5 55 5 4 4 OK 0 PT3 PM1 PSU6 3KW HV 299 7 299 7 0 6 0 4 55 5 4 4 OK 0 PT3 PM2 PSU6 3KW HV 300 6 300 9 0 5 0 6 55 3 4 4 OK 0 PT4 PM0 PSU6 3KW HV 299 7 299 7 0 5 0 6 55 2 4 4 OK 0 PT4 PM1 PSU6 3KW HV 300 6 300 9 0 6 0 5 55 4 4 7 OK 0 PT4 PM2 PSU6 3KW HV 299 7 299 7 0 5 0 6 55 2 4 4 OK 0 PT5 PM0 PSU6 3KW HV 300 6 300 9 0 7 0 6 55 6 6 0 OK 0 PT5 PM1 PSU6 3KW HV 299 7 299 7 0 5 0 5 55 4 4 0 OK 0 PT5 PM...

Page 101: ...e that is defined by the hardware capacity Maximum bandwidth that is supported between a line card NPU and all fabric cards Total fabric bandwidth It is a variable denoting real time bandwidth consumption Total fabric bandwidth available for traffic Available bandwidth It is a user configurable limit default value is 5 A percentage value denoting a limit for bandwidth consumption Being a system le...

Page 102: ...ds To configure the bandwidth threshold use the following commands Router configure Router config hw module profile bw threshold value Router config commit User can set the threshold value starting with 10 and in increments of 10 For example consider that the bandwidth threshold is set to 20 If the available bandwidth goes below 10 then the network interfaces of the line card are shut If the avail...

Page 103: ...EDs indicate whether each type of module Route Processor line cards fabric cards fan trays and power supplies is fully functional or have a fault condition Table 20 Chassis LED Descriptions Status Color LED The operator has activated this LED to identify this chassis Blue ATTN Attention The chassis is not functional Off Port Status LEDs The 8800 LC 48H does not have port LEDs Note Each port on the...

Page 104: ...ed Flashing Amber Power Supply LEDs The power supply LEDs are located on the front portion of the module Figure 75 Power Supply LEDs Fault 3 Input OK 1 ATTN Attention 4 Output OK 2 Table 22 Power Supply LED Descriptions Status Color LED Both input voltages are present Green Input OK Only one input power is present Flashing Green No input power is present Off Hardware Installation Guide for Cisco 8...

Page 105: ...ed or internal fault Red Fault Firmware upgrade in progress Flashing red User configured action config hw module attention led location 0 PTx PMy Flashing blue ATTN Attention No user configuration is set Off 1 Sleep mode is not applicable for DC 60 power module Fan Tray LEDs The fan tray LEDs are located on the top portion of the module Figure 76 Fan Tray LEDs ATTN Attention 3 FC STS Status 1 FT S...

Page 106: ...nd this fan tray is not operational Either one or more fabric cards behind this fan tray have minor major or critical alarm Amber FC STS One of the fabric modules is operational and other one not present Both fabric cards behind this fan tray are operational Green If both the fabric modules behind this fan tray are plugged out or not present Off Temperature Warning Label Every fan tray has a tempe...

Page 107: ...7 Temperature Warning Label Route Processor Card LEDs The Route Processor LEDs are located on the front of the module Hardware Installation Guide for Cisco 8800 Series Routers 101 LEDs Route Processor Card LEDs ...

Page 108: ... Route Processor Card LED Descriptions Status Color LED The operator has activated this LED to identify this module in the chassis Flashing blue ATTN Attention This module is not being identified Off Hardware Installation Guide for Cisco 8800 Series Routers 102 LEDs Route Processor Card LEDs ...

Page 109: ...tandby state Off The GPS interface is provisioned and frequency time of day and phase inputs are all operating correctly Green GPS The GPS interface is not provisioned or the GPS inputs are not working correctly Off The frequency time and phase are synchronized to an external interface The external interface could be BITS GPS Recovered RX Clock Green SYNC The system is running in holdover or free ...

Page 110: ...in progress Flashing green The module is in one of the following states Power cycle Reload or reimage Shutdown Amber The fabric card has major or critical alarms Flashing red The module has minor alarm Flashing amber No power is going to the fabric card Off Line Card LEDs The line card has LEDs located on the right of the front panel Table 26 Line Card LED Descriptions Status Color LED The operato...

Page 111: ...with no issues Green The auto or manual FPD upgrade in progress Flashing green The module has a minor alarm Flashing amber The module has active major or critical alarms Flashing red BIOS boot failure Also the ATTN LED remains blue Red The module is not enabled Off Hardware Installation Guide for Cisco 8800 Series Routers 105 LEDs Line Card LEDs ...

Page 112: ...Hardware Installation Guide for Cisco 8800 Series Routers 106 LEDs Line Card LEDs ...

Page 113: ... page 109 Replace a Route Processor Card on page 110 Replace a Line Card on page 115 Replace a Fan Tray on page 117 Replace Fabric Card on page 119 Replace Power Supply Components on page 125 Replace Chassis Door Foam Air Filters In general we recommend that you inspect the air filter every 3 months and replace Note The front doors come with pre installed air filters 8818 FILTER 8812 FILTER 8808 F...

Page 114: ...tall the new door filters on both the front doors Step 3 Tighten the two quarter turn fasteners back on the doors Hardware Installation Guide for Cisco 8800 Series Routers 108 Replace Chassis Components Replace Chassis Door Foam Air Filters ...

Page 115: ...grace period of 15 seconds before shutdown If the ejector lever is latched back within this grace period then the card returns to the operational state This feature therefore provides the option of closing the ejector lever without triggering a shutdown This feature is especially useful when an ejector lever is accidentally unlatched This feature is supported only on a route processor card If the ...

Page 116: ...ndby Route Processor card active If the router has only one Route Processor card that is installed a new Route Processor can be installed in the empty Route Processor slot during operation Statement 1029 Blank Faceplates and Cover Panels Blank faceplates and cover panels serve three important functions they prevent exposure to hazardous voltages and currents inside the chassis they contain electro...

Page 117: ...card is up If the card shuts down then wait for the Route Processor status LED to turn off before proceeding Moving the latch to the side does not disengage the latch from the lock This is a safeguard mechanism if an operator initiated shutdown of the route processor has not been performed before opening the levers The ejector open will be logged Caution Hardware Installation Guide for Cisco 8800 ...

Page 118: ... which gracefully shuts down Route Processor module to prevent any of the file systems from being corrupted b Verify that the Route Processor Status LED for the slot that you specified turns to Amber Also you can use the show platform command to verify that the status of the card is SHUT DOWN c Disconnect the cables from the card d If there are any external drives attached to the card through its ...

Page 119: ...y and reach operational state Note Step 4 To install a new card follow these steps a If any of the ejector levers are in closed position slide the latch on the ejector lever outwards from the lever center and pull to rotate the lever away from the front of the card This action opens the lever so that the card can be fully inserted into the slot b Hold the front of the card with one hand and place ...

Page 120: ...n the faceplate so that the card fully seats onto the connectors on the midplane To confirm that the card is installed properly pull the black tip of each ejector lever lightly and make sure the lever does not pop out Note Figure 82 Install Route Processor Card into Chassis e Screw in the two captive screws to secure the card to the chassis Tighten the screws to 8 in lb 0 9 N m of torque f Attach ...

Page 121: ... 1051 Laser Radiation Invisible laser radiation may be emitted from disconnected fibers or connectors Do not stare into beams or view directly with optical instruments Warning Procedure Step 1 Open the packaging for the new line card and inspect the module for damage If the module is damaged contact the Technical Assistance Center TAC Step 2 If you are replacing a module that is currently in the c...

Page 122: ...into the Chassis Slide the module all the way into the slot 3 Rotate the ejector handle on each end of the module away from the center of the chassis 1 Align the bottom of the back of the module with tracks on either side of the slot 2 c Rotate the ends of the two levers toward the center of the chassis When the levers point straight out from the chassis their other ends should be locked onto the ...

Page 123: ...trays are removed the shutdown can occur in less than two minutes Note To replace a fan tray you must perform the following functions 1 Remove the fan tray 2 Install a fan tray Remove Fan Tray Remove only one fan tray at a time during router operations If you remove more than one fan tray at a time the router shuts down within two minutes unless you replace the extra fan trays that you removed wit...

Page 124: ... two tracks on the top of the fan tray with the two sets of rails at the top of the open fan tray slot in the chassis Step 4 Slide the fan tray all the way into the slot until the front of the fan tray touches the chassis Make sure that the four captive screws on the front of the fan tray align with the four screw holes in the chassis Step 5 Screw in the four captive screws to secure the fan tray ...

Page 125: ...rd To maintain the designed airflow while you remove the fan tray the fans in the other fan trays increase their speed During operations it is required that you remove only one fan tray at a time and reinstall that fan tray within three minutes to avoid the possibility of having the router overheat and shut down If you remove more than one fan tray at a time the router shuts down if you do not rei...

Page 126: ...that you specified turns off Also you can use the show platform command to verify that the status of the card is SHUT DOWN Since the Fan trays are blocking the view Fabric card LEDs might not be visible Therefore you can verify the Fabric card LEDs status using show led location 0 FClocation command Step 3 Remove the fan tray covering the fabric card in the chassis Refer the fan tray removal proce...

Page 127: ...our other hand on the front of the module and slide the module out of the slot e Rotate both handles back to the front of the module until they are in place Fasten each handle to the module using the captive screw on the back of the handle Tighten the screw to 8 in lb 0 9 N m of torque f Rotate the module 90 degrees and lay it flat on an antistatic surface or in an antistatic bag Hardware Installa...

Page 128: ...onnectors are on the bottom Step 3 Align the guide bar on the bottom of the fabric card into the guide slot at the bottom of the fabric card slot and make sure that the guide rails on the top of the fabric card align with the track on the top of the slot The lower guide rail extends to the back of the chassis The upper guide rail does not connect until the card is halfway into the chassis Note Fig...

Page 129: ...ure 87 Installing a Fabric Card Insert fabric card top guide rail into chassis top fabric card guide rail 2 Chassis top fabric card guide rail 1 Hardware Installation Guide for Cisco 8800 Series Routers 123 Replace Chassis Components Install a Fabric Card ...

Page 130: ...ay procedure Install Fan Tray on page 117 Step 9 Run the reload location 0 location CPU0 command Step 10 Wait for the fabric card to become operational Use the show platform inc FC command to verify the status The fabric card must be operational before resetting the fabric plane Note Step 11 Reset the fabric control plane using the no controller fabric plane plane id shutdown command Step 12 Verif...

Page 131: ... remove a failed power module with the router in operation perform the replacement as quickly as possible Make sure you have the replacement power module ready before beginning the removal and installation procedure For the RP to communicate properly to a power module in a power tray input power to at least one of the power modules in the power tray should be present Note This section contains pro...

Page 132: ...Figure 89 Power Supply Bezel for 8818 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 126 Replace Chassis Components Install Power Shelf Bezel ...

Page 133: ...gure 90 Power Supply Bezel for 8812 Chassis Figure 91 Power Supply Bezel for 8808 Chassis Hardware Installation Guide for Cisco 8800 Series Routers 127 Replace Chassis Components Install Power Shelf Bezel ...

Page 134: ...crew that secures the power module using a Phillips screw driver Step 3 Slide the power module out of its bay while supporting it with your other hand to remove it Figure 93 DC Power Module Step 4 Slide the new power module into the bay until it mates with its backplane connector Hardware Installation Guide for Cisco 8800 Series Routers 128 Replace Chassis Components Replace DC Power Module ...

Page 135: ...ove the source DC power cables and ground from the power tray terminals in the following order 1 negative 2 positive Caution Step 3 Disconnect the DC power cables from their terminals in the following order and note the color of each cable a Negative PWR cables first b Positive RTN cables last Step 4 Repeat Step 1 through Step 3 for the other power tray if installed It is not necessary to disconne...

Page 136: ...place the clear plastic safety covers over the DC power connection terminal studs and tighten the screws Step 5 Set the DC power source circuit breaker to ON 1 Step 6 Set the power tray switch to ON 1 Use this procedure only when reconnecting power to all power modules in a system that is powered down completely Caution Replace HVAC and HVDC Power Module Follow these steps to remove HVAC and HVDC ...

Page 137: ...ay while supporting it with your other hand to remove it Figure 95 HV Power Supply Step 3 Slide the new power module into the bay until it mates with its connector Hardware Installation Guide for Cisco 8800 Series Routers 131 Replace Chassis Components Replace HVAC and HVDC Power Module ...

Page 138: ... plugged in completely to secure the built in retaining latch Saf D Grid plug has a retaining latch that must be depressed and gently pulled to release the plug from the receptacle Note Hardware Installation Guide for Cisco 8800 Series Routers 132 Replace Chassis Components Replace HVAC and HVDC Power Module ...

Page 139: ...rid Plug Step 5 Verify that the green power indicator on the front of the power module goes on Hardware Installation Guide for Cisco 8800 Series Routers 133 Replace Chassis Components Replace HVAC and HVDC Power Module ...

Page 140: ...Hardware Installation Guide for Cisco 8800 Series Routers 134 Replace Chassis Components Replace HVAC and HVDC Power Module ...

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