Replacing a PTX5000 FPC
1.
Removing a PTX5000 FPC on page 173
2.
Installing a PTX5000 FPC on page 175
Removing a PTX5000 FPC
The PTX5000 Packet Transport Switch holds up to eight FPCs, which are installed
vertically in the front of the packet transport switch. An empty FPC weighs approximately
25 lb (11.3 kg), and an FPC with PICs installed can weigh up to 30 lb (13.6 kg).
Each FPC slot not occupied by an FPC must be covered by an FPC blank panel. An FPC
blank panel weighs 6.9 lb (3.1 kg).
To remove an FPC (see Figure 60 on page 175):
1. Place an electrostatic bag or antistatic mat on a flat, stable surface.
2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
the strap to one of the ESD points on the chassis.
3. Use one of the following methods to take the FPC offline:
•
Press and hold the FPC online/offline button. The green OK LED next to the button
begins to blink. Hold the button down until the LED goes out.
•
Issue the following 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.
4. Disconnect the cables from the PICs installed in the FPC. 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.
WARNING: Do not look directly into a fiber-optic transceiver or into the
ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cable
connected to a transceiver emit laser light that can damage your eyes.
CAUTION: Do not leave a fiber-optic transceiver uncovered except when
inserting or removing cable. The safety cap keeps the port clean and
prevents accidental exposure to laser light.
173Copyright © 2012, Juniper Networks, Inc.
Chapter 15: Replacing Packet Transport Switch Hardware Components
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