Action
On a regular basis:
•
Periodically check the site to ensure that both the air intake at the bottom front of the
chassis and the exhaust from the power supply faceplates are unobstructed. The
power supplies require an unobstructed airflow at both the front and rear of the chassis.
•
Periodically inspect the site to ensure that the grounding and power cables connected
to the TX Matrix router are securely in place and that there is no moisture accumulating
near the TX Matrix router. To review grounding and site wiring requirements for the
TX Matrix router, see “TX Matrix Chassis Grounding Specifications” on page 337 and
“Site Electrical Wiring Guidelines for M Series, MX Series, and T Series Routers” on
page 343.
•
Regularly inspect the air filter on each power supply for dust and debris. Replace the
filter element every 6 months. To replace a power supply filter element, see .
•
Routinely check the LEDs on the power supply faceplates. If the
CB ON
LEDs are lit,
the power supplies are functioning normally. For more information about the power
supply LEDs.
•
Check the red and yellow alarm LEDs and the LED display on the craft interface. Power
supply failure or removal triggers an alarm that causes one or both of the LEDs to light
and an error message to appear on the LED display. You can display the associated
error messages by issuing the CLI command:
user@host>
show chassis alarms scc
For a list of possible alarm messages, see “TX Matrix Chassis and Interface Alarm
Messages Overview” on page 209.
•
Issue the
show chassis environment pem
command to check the status of the power
supplies. The output is similar to the following:
user@host>
show chassis environment pem scc
user@host> show chassis environment pem scc
scc-re0:
--------------------------------------------------------------------------
PEM 0 status:
State Online
Temperature 29 degrees C / 84 degrees F
DC input: OK
DC Output: Voltage Current Power Load
SIB 0 55141 6156 339 45
SIB 1 55550 6218 345 46
SIB 2 55491 5981 331 44
SIB 3 55450 6331 351 46
SIB 4 55633 6331 352 46
PEM 1 status:
State Online
Temperature 29 degrees C / 84 degrees F
DC input: OK
DC Output: Voltage Current Power Load
SIB 0 55122 6166 340 45
SIB 1 55254 6228 346 47
SIB 2 55258 5951 332 48
SIB 3 55546 6321 352 50
SIB 4 55971 6341 353 47
Copyright © 2010, Juniper Networks, Inc.
204
TX Matrix Hardware Guide
Summary of Contents for TX MATRIX
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Page 389: ...PART 6 Index Index on page 359 357 Copyright 2010 Juniper Networks Inc ...
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