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Removing the Power Module from the Cisco cBR Chassis

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.

•

Be aware of the weight and size of the equipment. Handle it with care.

Restrictions

•

For the DC-powered Cisco cBR with N+1 redundancy, ensure that the chassis has at least five operational
DC Power Modules for the chassis to be functional.

•

For the AC-powered Cisco cBR with N+1 redundancy, ensure that the chassis has at least four operational
AC Power Modules for the chassis to be functional.

•

For the AC-powered Cisco cBR with 1+1 redundancy, ensure that the chassis has six operational AC
Power Modules for the chassis to be functional.

Required Tools and Equipment

•

ESD-preventive wrist strap

•

3/16" flat-blade torque screwdriver

Cisco Converged Broadband Routers Hardware Installation Guide

4

Maintaining the Power System in the Cisco cBR Chassis

Removing the Power Module from the Cisco cBR Chassis

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Summary of Contents for cBR

Page 1: ...he Cisco cBR Chassis page 7 Removing the Power Cassette Module from the Cisco cBR Chassis page 9 Removing the AC Power Connections from the Cisco 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 a...

Page 2: ... retaining bracket 1 Step 5 Repeat Step 2 on page 2 to Step 4 on page 2 for each AC power connection Removing the DC Power Connections from the 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 Statement 1077 Warning When you install the unit the ground connection must always be made first and d...

Page 3: ...rminal bolts using a torque wrench and 7 16 hex socket and remove them Disconnect the positive lead cable Step 5 Loosen the 1 4 20 terminal bolts using a torque wrench and 7 16 hex socket and remove them Disconnect the negative lead cable Figure 2 Removing the DC Power Connection from the DC FPEM Step 6 Repeat Step 2 on page 3 and Step 5 on page 3 to disconnect each terminal block connection Step ...

Page 4: ...es for the chassis to be functional For the AC powered Cisco cBR with N 1 redundancy ensure that the chassis has at least four operational AC Power Modules for the chassis to be functional For the AC powered Cisco cBR with 1 1 redundancy ensure that the chassis has six operational AC Power Modules for the chassis to be functional Required Tools and Equipment ESD preventive wrist strap 3 16 flat bl...

Page 5: ...orque screwdriver Remove the front power entry bezel from the chassis Figure 3 Removing the Front Power Entry Bezel from the Chassis Cisco Converged Broadband Routers Hardware Installation Guide 5 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Module from the Cisco cBR Chassis ...

Page 6: ...its bay with one hand while supporting the base of the module with your other hand Figure 4 Removing the Power Module Step 5 Place the removed Power Module in an antistatic bag What to Do Next Replace the Power Module if required Cisco Converged Broadband Routers Hardware Installation Guide 6 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Module from the Cisco cBR Chassis...

Page 7: ...ve the DC power connections Attach an ESD preventive wrist strap to your wrist and connect the other end to the grounding lug connected to the chassis Remove the Power Modules If you are replacing the entire power system remove the Power Cassette Module Be aware of the weight and size of the equipment Handle it with care Required Tools and Equipment ESD preventive wrist strap T10 Torx screwdriver ...

Page 8: ...assis 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 What to Do Next Replace the FPEM if required Cisco Converged Broadband Routers Hardware Installation Guide 8 Maintaining the Power System in the Cisco cBR Chassis Removing the FPEM from the Cisco cBR Chassis ...

Page 9: ...aware of the weight and size of the equipment Handle it with care Required Tools and Equipment 3 16 flat blade torque screwdriver Cisco Converged Broadband Routers Hardware Installation Guide 9 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Cassette Module from the Cisco cBR Chassis ...

Page 10: ...wdriver Remove the bezel from the chassis Figure 6 Removing the Front Power Entry Bezel from the Chassis Front power entry bezel 2 Screw 1 Cisco Converged Broadband Routers Hardware Installation Guide 10 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Cassette Module from the Cisco cBR Chassis ...

Page 11: ...e 7 Removing the Power Cassette Module from the Chassis What to Do Next Replace the Power Cassette Module if required Position the front power 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 11 Maintaining the Power System...

Page 12: ...Cisco Converged Broadband Routers Hardware Installation Guide 12 Maintaining the Power System in the Cisco cBR Chassis Removing the Power Cassette Module from the Cisco cBR Chassis ...

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