Network Trunk Module

Figure 4-23 BC-T1 Faceplate

BC-T1

T1 input/output

 

 

 

 

LOS (red)

 

 

 

 

 

 

 

 

 

 

Red alarm (red)

 

 

 

 

 

 

 

 

 

 

Yellow alarm (yellow)

 

 

 

 

 

 

 

 

AIS (green)

 

 

 

 

 

 

 

 

 

 

Fail (red)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Active (green)

H8316

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 4-17

BC-T1 Connections and Status LEDs

 

 

 

 

 

Connector/Indicator

Function

 

 

 

 

 

T1 input/output

Female DB-15 connector for T1 line.

 

 

 

 

 

LOS light (red)

Indicates loss of signal at the local end.

 

 

 

 

 

Red alarm light (red)

Indicates loss of local E1 frame alignment, or it indicates loss of packet

 

 

 

 

 

alignment on the NTM.

 

 

 

 

 

Yellow alarm light (yellow)

Indicates loss of frame alignment at remote end or loss of packet alignment

 

 

 

 

 

(NTM).

 

 

 

 

 

AIS light (green)

Indicates the presence of all ones on the line.

 

 

 

 

 

Fail light (red)

Indicates an error occurred. First, reset the card with the resetcd f

 

 

 

 

 

command to clear the error. If the LED comes on again, contact the TAC

 

 

 

 

 

through Cisco Customer Engineering.

 

 

 

 

 

Active: light (green)

Indicates the card is in service with active circuits.

 

 

 

 

 

 

Trunk Cards 4-39

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Image 39
Cisco Systems IGX 8400 manual BC-T1 Faceplate, BC-T1 Connections and Status LEDs