Maintaining The Mx2020 Chassis Fru Power On Sequence; Maintaining The Mx2020 Control Boards - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide

Maintaining the MX2020 Chassis FRU Power On Sequence

Purpose
Action
Related
Documentation

Maintaining the MX2020 Control Boards

Purpose
Action
342
For optimum router performance, verify the condition of the FRU power on sequence.
On a regular basis:
Check the status of the MX2020 chassis FRU power on sequence issuing the
show chassis power sequence
The output displays the chassis FRU power on sequence:
user@host> show chassis power sequence
Chassis FRU Power On Sequence: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
19
NOTE: Because the MPCs are combined with the ADCs, the MPCs may not
boot up in a specific power up sequence.
MX2020 Power Subsystem Description on page 83
Maintaining the MX2020 Power Usage on page 391
Preventing Electrostatic Discharge Damage to an MX2020 Router on page 558
Troubleshooting the MX2020 Power Subsystem on page 541
For optimum router performance, verify the condition of the Control Board and Routing
Engine (CB-RE).
On a regular basis:
Check the host subsystem LEDs on the craft interface. For more information about the
LEDs and the display, see
During normal operations:
The green host subsystem
The red host subsystem
Check the LEDs on the control board portion of the CB-RE faceplate.
During normal operations:
The green LED on the CB-RE faceplate is lit.
OK
The red FAIL LED on the CB-RE faceplate is not lit.
Issue the
show chassis environment cb
The output is similar to the following:
command.
"MX2020 Craft Interface Description" on page
LED on the craft interface is lit.
ONLINE
OFFLINE LED on the craft interface is not lit.
command to check the status of the CB-REs.
37.
Copyright © 2015, Juniper Networks, Inc.