• Troubleshooting M120 FPCs and CFPCs on page 287
• Removing an M120 FPC on page 213
Related
Documentation
M120 Flexible PIC Concentrators (FPCs) Description on page 51•
• Troubleshooting M120 FPCs and CFPCs on page 287
Replacing an M120 CFPC
The router holds up to two CFPCs, which are installed vertically in the front of the router.
The CFPCs are hot-insertable and hot-removable. When you remove a CFPC, the router
continues to function. Each CFPC weighs approximately 2 lbs. (0.9 kg.) To replace a
CFPC, perform the following procedures:
•
Removing an M120 CFPC on page 219
•
Installing an M120 CFPC on page 221
Removing an M120 CFPC
To remove a CFPC (see Figure 87 on page 220):
1. Have ready a replacement CFPC or a blank panel and an antistatic mat for the CFPC.
2. Attach an 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 CFPC offline:
•
Press and hold the CFPC online/offline button. The green STATUS LED next to the
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 following CLI command:
user@host>request chassis fpc slot slot-number offline
For more information about the command, see the CLI Explorer.
4. Remove the cable from the transceiver on the CFPC faceplate.
5. Pull the lower end of the ejector lever away from the CFPC faceplate to unseat the
CFPC.
6. Continue to pull the lever toward you and slide the CFPC straight out of the card cage
halfway.
219Copyright © 2018, Juniper Networks, Inc.
Chapter 27: Replacing Line Card Components
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