Related
Documentation
Checklist for Monitoring FPCs on page 213•
Checking the FPC Installation
Purpose To verify an FPC failure by checking the FPC installation.
Action To check the FPC installation:
1. Make sure that the FPC is seated in its slot. Use a screwdriver to check that the screws
at the top and bottom of the card carrier are tight.
2. Try to bring the FPC online. Press the online button on the craft interface or FPM for
a few seconds. If the FPC does not come online, it has probably failed.
3. If the FPC comes online, check the FPC detailed status with the following command:
user@host> show chassis fpc detail fpc-slot
For the M40e, M120, M160, M320, T320, T640, and T1600 routers, to bring the FPC online,
use the request chassis fpc slot-number online command.
On a TX Matrix router, if you specify the number of the T640 router (or line-card chassis)
by using the lcc number option (the recommended method), replace fpc-slot with a
value from 0 through 7. Otherwise, replace fpc-slot with a value from 0 through 31.
Likewise, on a TX Matrix Plus router, if you specify the number of the T1600 router (or
line-card chassis) by using the lcc number option (the recommended method), replace
fpc-slot with a value from 0 through 7. Otherwise, replace fpc-slot with a value from 0
through 31. For example, the following commands have the same result:
user@host> show chassis fpc detail 1 lcc 1
user@host>show chassis fpc detail 9
Related
Documentation
Checklist for Monitoring FPCs on page 213•
Checking the FPC fuses
Purpose To isolate an FPC failure by checking the FPC fuses.
Action The M40e and M160 router fuses are located in a fuse box at the rear of the midplane,
behind the lower rear impeller assembly. You must remove the lower impeller assembly
to access the fuses, as described in the appropriate hardware guide.
The M320 router requires fuses for the FPCs. The fuses for the and FPCs are located in
the rear of the midplane behind the power supply in slot PEM0.
When the fuse for an FPC blows, the FPC stops functioning even though it is installed
correctly and the power supplies are providing power to the router.
For the M40e and M160 routers, when a fuse has blown but the power supplies are still
delivering power to router, the amber LED adjacent to the fuse lights. For vertically oriented
fuses (in the groups labeled J241 through J244).
225Copyright © 2012, Juniper Networks, Inc.
Chapter 7: Monitoring FPCs
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