Network Trunk Module
Figure 4-26 BC-Y1 Faceplate
Y1 trunk input/output
Line in
Line out
RXMON - monitor jack
TXMON - monitor jack
LOS (red)
Red alarm (red)
Yellow alarm (yellow)
AIS (green)
Fail (red)
Active (green)
H8319
Table |
| |
|
| |
Connector/Indicator | Function | |
|
| |
Y1 Trunk input/output | ||
|
|
|
Line in |
| Y1 trunk input line |
|
|
|
Line out |
| Y1 trunk output line |
|
|
|
RX MON |
| BNC test connector for monitoring receive Y1 line |
|
|
|
TX MON |
| BNC test connector for monitoring transmit Y1 line |
|
|
|
LOS light (red) |
| Indicates loss of signal at the local end |
|
| |
Red alarm light (red) | Indicates loss of local frame alignment | |
|
| |
Yellow alarm light (yellow) | Indicates loss of frame alignment at the remote end | |
|
|
|
AIS light (green) |
| Indicates the presence of all ones on the line |
|
|
|
Fail light (red) |
| Indicates an error occurred. First, reset the card with resetcd f. If the |
|
| LED comes on again, contact the TAC through Customer Engineering |
|
| |
Active light (green) | The card is in service and has active circuits | |
|
|
|
Trunk Cards
