Network Trunk Module
Figure 4-23 BC-T1 Faceplate
T1 input/output
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| LOS (red) |
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| Red alarm (red) |
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| Yellow alarm (yellow) | |
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| AIS (green) |
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| Fail (red) |
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| Active (green) | H8316 |
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Table |
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Connector/Indicator | Function | ||||
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T1 input/output | Female | ||||
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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 E1 frame alignment, or it indicates loss of packet | ||||
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| alignment on the NTM. |
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Yellow alarm light (yellow) | Indicates loss of frame alignment at remote end or loss of packet alignment | ||||
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| (NTM). |
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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 the resetcd f | ||||
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| command to clear the error. If the LED comes on again, contact the TAC |
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| through Cisco Customer Engineering. |
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Active: light (green) | Indicates the card is in service with active circuits. | ||||
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Trunk Cards