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Checking the LEDs
296-1011-202 Rel. 5.0, Doc. Rev. 02.01 2-47
Chassis Connections
LEDs on the SCC-HSSI-SM
The following table describes the LEDs on the SCC-HSSI-SM:
LEDs on the SCC-HSSI-RLTM
The following table describes the LEDs on the SCC-HSSI-RLTM:
LED State Meaning
Pwr Off
On (green)
Power off
Power on
Good On (green)
Off
Flashing green
Successful system boot: no errors detected
No power: failure detected or on standby
Code loading during system boot
Fail Off
On (red)
No power
Failure detected
Redun Off
On (green)
No power or no redundancy
A working redundant configuration
10/100 Enet
1, 2, 3
Off
On (green)
On (red)
No link present
Online: normal operating condition
Alarm condition
HSSI On (green)
Off
Online: normal operating condition
No link present
LED State Meaning
Link Off
On (green)
No link present
Link present
Rx Off
Flashing green
Not receiving data
Receiving data