MTG2000 Trunk Gateway User Manual V| Dinstar
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Device DSP is not authorized.
Alarm for loss of signal. If the LOS
alarm is raised, please check physical
network connection.
RAI (Remote Alarm Indication) is an
alarm for lost of remote signal. The
alarm is sent by the remote device and
received by MTG2000.
AIS (Alarm Indication Signal) is an
alarm raised by MTG2000, indicating
the peer device malfunctions, or
signal/physical connections are
abnormal.
This alarm means physical connection
is normal while signal connection is
abnormal.
The E1 port of the device is
automatically shut down when the E1
port intelligent shutdown is enabled
and the detection conditions are
reached.
The channel is available, and related
cables are connected normally.(The
channel is used to transmit voice)
The channel is used to transmit signal.
The device receives the signaling to
initiate the session, and the device is
processing it.
The called party has started ringing.
Caller and callee are talking.
The party on the call hangs up.
The channel is normal while cables are
not successfully connected.
The E1/T1 trunk is not used.
The E1/T1 channel is blocked at local
end, but not blocked at remote end.
The E1/T1 channel is blocked at remote
end, but not blocked at local end.