Checking the LEDs
296-1011-202 Rel. 5.0, Doc. Rev. 02.01
2-49
Chassis Connections
LEDs on the Optical SCC-II-SM
The following table describes the LEDs on the Optical SCC-II-SM:
LED
State
Meaning
Power
Off Power
off
On (green)
Power on
Good
On (green)
Successful system boot: no errors
detected
Off
No power: failure detected or on standby
Flashing green
Code loading during system boot
Failed
Off No
power
On (red)
Failure detected
Redun
Off
No power or no redundancy
On (green)
A working redundant configuration
Sonet
On (green)
On (red)
Normal operating condition
Sonet/SDH alarm condition
ATM
Off
On (red)
On (green)
Not initialized
Initialized, but not operational
Operational
Prot
Off
On (amber)
Automatic protection switching is either not
configured, or if configured, the protected
link is inactive
Protected link is active
Prim
Off
On (green)
Automatic protection switching is not
configured, or if configured, primary link is
inactive
Primary link is active
ATM1
Off
On (green)
Physical link connection not detected
Physical link connection detected
ATM2
Off
On (green)
Physical link connection not detected
Physical link connection detected
10/100 Enet
1, 2, 3
Off
No link present
On (green)
Online: normal operating condition
On (red)
Alarm condition
