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