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MG-DS1 (DS1 Interface Media Module)
Issue 1 June 2005 1619
When the Yellow alarm is cleared, the maintenance software restores all trunks or ports on the
MM710 Interface Media Module back to their previous service state before the Yellow alarm
was raised.
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 MM710 Interface Media Module 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.
Table 595: TEST #141 Yellow Alarm Inquiry Test
Error
Code
Test
Result
Description/ Recommendation
ABRT Internal system error
Retry the command at 1-minute intervals a maximum of 5 times.
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