UDS1-BD (UDS1 Interface Circuit Pack)
Issue 4 May 2002
10-1883 555-233-123
This Yellow alarm corresponds to the yellow F2 state documented in CCITT
Recommendation I.431.
Remote Multiframe Alarm
Remote Multiframe Alarm (RMA) indicates that the remote DS1 endpoint is in a
Loss of Multiframe Alarm condition while the UDS1 Interface circuit pack is
administered using the DMI-BOS common channel signaling. The RMA is
handled as a Yellow alarm.
Yellow F5 Fault Alarm
For 32-channel E1 operation with CRC4 on, the F5 fault state is defined as a fault
in the user-network interface, specifically in the direction from the user (PBX) to
the network. Refer to CCITT recommendation I.431.
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