Table 77: M160 Router Power Supply Leds; Table 78: M320 Router Ac/Dc Power Supply Led - Juniper M Series Monitoring And Troubleshooting Manual

M Series and T Series Routers Monitoring and Troubleshooting Guide
296
Table 77 on page 296 describes the functions of the M160 router DC power supply LEDs.

Table 77: M160 Router Power Supply LEDs

LED Color
Green
CB ON
Blue
OUTPUT OK
NO AIRFLOW Amber
(Original
power supply
only)
Amber
CB OFF
Table 78 on page 296 describes the functions of the M320 router AC and DC power supply
LED.

Table 78: M320 Router AC/DC Power Supply LED

Label Color
Blue
OUTPUT OK
Table 79 on page 297 describes the functions of the T320 router DC power supply LED.
State Description
On steadily Power supply is inserted correctly and is
receiving power. Circuit breaker is on.
On steadily Power supply is inserted and is functioning
normally.
Blinking Power supply is not functioning, is going through
startup, is not properly inserted, or airflow is not
sufficient.
Off Power supply is not functioning.
On steadily Power supply is inserted, but airflow around the
power supply is not sufficient.
On steadily Power supply is functioning, but the circuit
breaker is off.
State Description
Off No power applied to power supply.
Blinking Power supply blinks for 5 seconds after initial
power on.
Power supply is installed, but not powered on, and
is receiving bias power from a proword on power
supply.
Input voltage is invalid.
Power supply has failed.
On steadily Power supply is functioning normally.
Copyright © 2012, Juniper Networks, Inc.