Juniper PTX5000 Hardware Manual page 437

• Check the red and yellow alarm LEDs and the LCD display on the craft interface. PDU and PSM
failure or removal triggers an alarm that causes one or both of the LEDs to light and an error message
to appear on the LCD display. You can display the associated error messages by issuing the following
CLI command:
user@host> show chassis alarms
For a list of possible alarm messages, see
591.
• The power system requires an unobstructed airflow at both the front and rear of the chassis.
Periodically check the site to ensure that both the air intake at the bottom front of the chassis and
the exhaust from the PSM faceplates are unobstructed.
• To check the power usage in watts for all PDUs and PSMs, issue the show chassis power command .
Chassis Power
Total Power
PDU 0
PSM 0
Input 1
PSM 1
Input 1
PSM 2
Input 1
PSM 3
Input 1
Issue the show chassis power detail command to check the power usage in watts for hardware
components such as FPCs, fan trays, Routing Engine and Control Board, and SIB, CCG, and craft
interface.
user@host> show chassis power detail
Chassis Power
Total Power
PDU 0
"Troubleshooting the PTX5000 Power System" on page
Input(V) Used(W)
3810
3810
54 331
54 661
54 1432
54 1386
Used(W)
4890
2447
419