Juniper T1600 Hardware Manual page 211

Table 38: Power System Chassis Alarms
Component Alarm Type
Power supplies Red
Yellow
Related
Documentation
Copyright © 2010, Juniper Networks, Inc.
NOTE: All inputs on a DC power supply in slot PEM0 must be powered
by dedicated power feeds derived from feed A, and all inputs on a DC
power supply in slot PEM 1 must be powered by dedicated power feeds
derived from feed B. This configuration provides the commonly deployed
A/B feed redundancy for the system.
NOTE: The AC power cord on an AC power supply in slot PEM0 must be
powered by a dedicated power feed derived from feed A, and The AC
power cord on an AC power supply in slot PEM 1 must be powered by
dedicated power feeds derived from feed B. This configuration provides
the commonly deployed A/B feed redundancy for the system.
Verify that the DC power cables or AC power cord from the power source to the router
5.
are not damaged. If the insulation is cracked or broken, immediately replace the DC
power cable or AC power cord.
Connect the power supply to a different power source with a new DC power cable or
6.
AC power cord. If the power supply
is the source of the problem. Replace the power supply with a spare.
DC OK LED on the installed spare does not light—the replaced power supply might
be faulty. To return it for replacement, see "Contacting Customer Support" on page 382.
If you cannot determine the cause of the problem or need additional assistance, see
7.
"Contacting Customer Support" on page 382.
LCD Display Message
PEM pem-number Over Temp
PEM pem-number Output Fail
PEM pem-number Input Fail
PEM pem-number Removed
T1600 Craft Interface Description on page 51.
Replacing a T1600 Three-Input 240-A DC Power Supply on page 259
Replacing a T1600 Four-Input 240-A DC Power Supply on page 269
Replacing a T1600 DC Power Supply Cable on page 275
Replacing a T1600 Three-Phase Delta AC Power Supply on page 280
Chapter 16: Troubleshooting T1600 Router Hardware Components
LED still does not light, the power supply
DC OK
CLI Message
PEM pem-number Over Temperature
PEM pem-number Output Failure
PEM pem-number Input Failure
PEM pem-number Removed
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