|
DIAGNOSTIC LED(S)
|
|
LED
|
Color
|
Status
|
Condition
|
|
RD4
|
Unidentified
|
On
|
CSU/DSU is receiving data on channel 4
|
|
TD4
|
Unidentified
|
Off
|
CSU/DSU is transmitting data on channel 4
|
|
RD3
|
Unidentified
|
On
|
CSU/DSU is receiving data on channel 3
|
|
TD3
|
Unidentified
|
Off
|
CSU/DSU is transmitting data on channel 3
|
|
RD2
|
Unidentified
|
On
|
CSU/DSU is receiving data on channel 2
|
|
TD2
|
Unidentified
|
Off
|
CSU/DSU is transmitting data on channel 2
|
|
RD1
|
Unidentified
|
On
|
CSU/DSU is receiving data on channel 1
|
|
TD1
|
Unidentified
|
Off
|
CSU/DSU is transmitting data on channel 1
|
|
RED 1
|
Unidentified
|
On
|
CSU/DSU is detecting a red alarm condition on the sub link
|
|
RED 1
|
Unidentified
|
Off
|
CSU/DSU is not detecting a red alarm condition on the sub link
|
|
YEL 1
|
Unidentified
|
On
|
CSU/DSU is detecting a yellow alarm condition on the sub link
|
|
YEL 1
|
Unidentified
|
Off
|
CSU/DSU is not detecting a yellow alarm condition on the sub link
|
|
RED 2
|
Unidentified
|
On
|
CSU/DSU is detecting a red alarm condition on the main link
|
|
RED 2
|
Unidentified
|
Off
|
CSU/DSU is not detecting a red alarm condition on the main link
|
|
YEL 2
|
Unidentified
|
On
|
CSU/DSU is detecting a yellow alarm condition on the main link
|
|
YEL 2
|
Unidentified
|
Off
|
CSU/DSU is not detecting a yellow alarm condition on the main link
|
|
TST
|
Unidentified
|
On
|
Device is conducting a loopback test
|
|
TST
|
Unidentified
|
Off
|
Device is not conducting a loopback test
|