Reference Manual

Transmission Interface Handling DS1 1544 kbit/s

• Base interval for DF and SF

− Value range: 1-24 h

54.3.6 Multidrop Layer 1

For an RBS conﬁgured for multidrop, the function is initiated during

restart of CMRU.

For an RBS not conﬁgured for multidrop, the function is initiated when

the parameter Network Topology is set by the OMT to indicate

multidrop (cascade).

AIS Generation

•

When entering one of the alarm states LOF, LOS or AIS at PCM-

A input, AIS is transmitted on PCM-B output. AIS is transmitted

until the alarm state is left

• When entering and leaving alarm states, the alarm ﬁltering time is

used (AFT).

EN/LZT 720 0008 P2A

2001-11-28

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Preliminary