Maintaining M320 Pics And Pic Cables; Figure 116: Do Not Stack Fpcs - Juniper M320 Hardware Manual

M320 Multiservice Edge Router Hardware Guide
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Maintaining M320 PICs and PIC Cables

Purpose
Action
276

Figure 116: Do Not Stack FPCs

Never stack an FPC under or on top of any other component (see
Figure 116 on page
M320 Flexible PIC Concentrator (FPC) Description on page 49
Troubleshooting the M320 FPCs on page 289
Replacing an M320 FPC on page 227
For optimum router performance, verify the condition of the PICs and PIC cables.
On a regular basis:
Check the LEDs on PIC faceplates. The meaning of the LED states differs for various
PICs. For more information, see the M320 Multiservice Edge Router Interface Module
Reference. If the FPC that houses the PIC detects a PIC failure, the FPC generates an
alarm message to be sent to the Routing Engine.
Issue the CLI show chassis fpc pic-status
numbered from through
0
user@host> show chassis fpc pic-status
Slot 0 Online
PIC 0 4x OC-3 SONET, MM
PIC 1 1x CSTM1, SMIR
PIC 3 2x OC-3 ATM, MM
Slot 1 Online
PIC 0 1x OC-12 SONET, MM
PIC 1 1x OC-12 ATM, MM
PIC 2 2x OC-3 ATM, MM
PIC 3 2x OC-3 ATM, MM
For further description of the output from the command, see the
Use the cable management system (shown in
to support cables and prevent cables from dislodging or developing stress points.
276).
command. The PIC slots in an FPC are
, top to bottom:
3
"M320 Chassis Description" on page
Copyright © 2015, Juniper Networks, Inc.
CLI Explorer .
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