Replacing An M120 Fpc; Removing An M120 Fpc - Juniper Networks Hardware Manual

M120 Multiservice Edge Router Hardware Guide
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Replacing an M120 FPC

152
All manuals and user guides at all-guides.com
M120 Forwarding Engine Boards (FEBs) Description on page 16
M120 Forwarding Engine Boards (FEBs) LEDs on page 17
Maintaining the M120 FEBs on page 113
Troubleshooting M120 FEBs on page 122
The FPCs are hot-insertable and hot-removable. When you remove an FPC, the router
continues to function, although the PIC interfaces installed on the FPC being removed
no longer function. To replace an FPC, perform the following procedures:
Removing an M120 FPC on page 152
Installing an M120 FPC on page 154

Removing an M120 FPC

The router holds up to four FPCs, which are installed vertically in the front of the router.
An empty FPC weighs 9.0 lb (4.0 kg). A fully configured FPC can weigh up to
12.3 lb (5.6 kg).
To remove an FPC (see Figure 76 on page 154):
Have ready a replacement FPC or FPC blank panel and an antistatic mat for the FPC.
1.
Also have ready rubber safety caps for each PIC using an optical interface on the FPC
that you are removing.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Label the cables connected to each PIC on the FPC so that you can later reconnect
3.
the cables to the correct PICs.
Use one of the following methods to take the FPC offline:
4.
Press and hold the FPC online/offline button. The green
button begins to blink. Hold the button down until the LED goes out. The LEDs and
online/offline button for each FPC are located directly above it on the craft interface.
Issue the CLI command:
user@host>request chassis fpc slot slot-number offline
For more information about the command, see the Junos OS System Basics and
Services Command Reference.
Disconnect the cables from the PICs installed in the FPC. If a PIC uses fiber-optic
5.
cable, immediately cover each transceiver and the end of each cable with a rubber
safety cap. Arrange the disconnected cables in the cable management system, to
prevent the cables from developing stress points.
STATUS LED next to the
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