Table 79: T320 Router Dc Power Supply Led; Table 80: T640 Router Power Supply Leds; Table 81: T1600 Router Dc Power Supply Leds - Juniper M Series Monitoring And Troubleshooting Manual

Copyright © 2012, Juniper Networks, Inc.

Table 79: T320 Router DC Power Supply LED

Label Color
Blue
DC OK
Table 80 on page 297 describes the functions of the T640 router DC power supply LEDs.

Table 80: T640 Router Power Supply LEDs

LED Color
Green
CB ON
CB TRIP Amber
Amber
OVER TEMP
DC OK Blue
Table 81 on page 297 describes the functions of the T1600 router DC power supply LEDs.

Table 81: T1600 Router DC Power Supply LEDs

LED Color
CB ON —One Green
per input
DC OK —One Blue
per power
supply
State Description
On steadily Power supply is installed correctly and is functioning
normally.
Blinking Power supply is starting up, is not functioning, or is
not properly installed.
State Description
On steadily Power supply is installed correctly and is
functioning normally, is receiving power, and
the circuit breaker is on.
On steadily Circuit breaker not turned on, or host subsystem
has detected a failure and has turned the circuit
breaker off.
On steadily Power supply has exceeded the recommended
temperature.
On steadily Power supply is installed correctly and is
functioning normally.
Blinking Power supply is starting up, is not functioning,
or is not properly installed.
State Description
On steadily Power supply is installed correctly and is
functioning normally, is receiving power, and
the circuit breaker is on.
Off Circuit breaker is not turned on, or host
subsystem has detected a failure and has
turned the circuit breaker off.
On steadily When the power supply is correctly set to the
input mode and all inputs are properly
energized, the DC OK LED indicates that the
power supply is functioning normally.
Blinking Power supply is starting up, is not functioning,
or is not properly installed.
Chapter 10: Monitoring Power Supplies
297