Maintaining MX240 MICs
Purpose For optimum router performance, verify the condition of the MICs.
Action On a regular basis:
• Check the LEDs on MIC faceplates. The meaning of the LED states differs for various
MICs. For more information, see the MX Series Interface Module Reference. If the MPC
that houses the MIC detects a MIC failure, the MPC generates an alarm message to be
sent to the Routing Engine.
• Issue the CLI show chassis fpc pic-status command. The MIC slots in an MPC are
numbered PIC 0/1 and PIC 2/3, left to right:
user@host> show chassis fpc pic-status
Slot 0 Online MPC Type 2 3D EQ
PIC 0 Online 1x 10GE XFP
PIC 1 Online 1x 10GE XFP
Slot 1 Online MPC 3D 16x 10GE
PIC 0 Online 4x 10GE(LAN) SFP+
PIC 1 Online 4x 10GE(LAN) SFP+
PIC 2 Online 4x 10GE(LAN) SFP+
PIC 3 Online 4x 10GE(LAN) SFP+
Slot 2 Online MS-DPC
PIC 0 Online MS-DPC PIC
PIC 1 Online MS-DPC PIC
For further description of the output from the command, see the CLI Explorer.
Related
Documentation
MX240 Modular Interface Card (MIC) Description on page 70•
• MX240 Modular Interface Card (MIC) LEDs on page 74
• Troubleshooting the MX240 MICs on page 408
• Replacing an MX240 MIC on page 307
Maintaining MX240 MPCs
Purpose For optimum router performance, verify the condition of the Modular Port Concentrators
(MPCs). The router can have up to three MPCs mounted horizontally in the card cage at
the front of the chassis.
Action On a regular basis:
• Check the LEDs on the craft interface directly above each MPC slot. The green LED
labeled OK lights steadily when an MPC is functioning normally.
• Check the OK/FAIL LED on the MPC. If the MPC detects a failure, the MPC sends an
alarm message to the Routing Engine.
393Copyright © 2017, Juniper Networks, Inc.
Chapter 29: Maintaining Components
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