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Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Chapter5 Troubleshooting
LED Summary
Interface Module LEDs
Table 5 -13 summarizes the interface module LEDs. This LED summary applies to the following
interface modules:
SFP Gigabit Ethernet Interface Module
RJ45 Gigabit Ethernet Interface Module
XFP 10 Gigabit Ethernet XFP Interface Module
Tab le 5- 12 RS P L ED s
LED Color/State Description (two LEDs for eachT1/E1 port)
Power
(PWR)
Off Disabled/no power to RSP
Green Power rails on RSP in range
Status
(STAT)
Off Disabled/power down
Red Failure to boot (lit at reset)
Yellow Rommon booted
Green IOS booted and running
Active
(ACTV)
Off Not available
Yellow Standby (indicates standby RSP)
Green Active (indicates active RSP)
Management
port
(MGMT)
Off No connection
Green Connected with no activity
Flashing
green
Connected with activity
Sync status
(SYNC)
Off Not enabled
Yellow Free run
Flashing
yellow
Holdover
Green Locked to source
USB flash
(MEM)
Flashing
green
USB activity
BITS Off Out of service/not configured
Amber Fault or loop condition
Green In frame/working properly