LED Indicators
Power Supply LEDs
—There is one fixed power supply LED (PS0) on the ASR-920-12SZ-A and two fixed
power supply LEDs (PS0 and PS1) on the ASR-920-12SZ-D router.
Table 1: Power Supply LEDs
Power Supply Condition
Power Supply LED (PS0 and PS1)
No valid AC or DC input is detected.
Off
12 Volt output is ok.
Green
12 Volt output failure (caused due to power supply
switched off, a fault condition, or in case of a dual
DC feed, the absence of an input feed)
Red
System Power LED
—The PWR LED provide indication of power on the board status.
Table 2: System Power LED
System Power Condition
System Power LED
No input power is connected.
Off
Power on board is ok.
Green
Board is powered off by ADM.
Red
0.5 second blinking red suggests the system is off due
to external factors, such as overheated system,
multiple fan failures, or user-initiation.
Blinking Red
Reserved
Amber
Status LED
—During power-up state, this LED provides booting status and report errors.
Table 3: Status LED
System Status
Status LED
FPGA is being configured.
Permanently off indicates the FPGA
configuration has failed.
Note
Off
Secure boot FPGA validation and ROMMON
validation are successful.
Blinking Green
Secure boot FPGA validation error.
Blinking Red
IOS booted up, no alarms, operating normally.
Green
Cisco ASR-920-12SZ-A and Cisco ASR-920-12SZ-D Aggregation Services Router Hardware Installation Guide
13
Overview
LED Indicators