MODEM STATUS CODES IN V.34 PROTOCOL DUMP
14 June, 2002
4-32
4.5 MODEM STATUS CODES IN V.34 PROTOCOL DUMP
The following sections explain the meaning of modem status codes which appear
on the G3 protocol dump list after V.34 communications.
NOTE:
The machine sometimes does not print all the status codes.
In polling communication, the signals are exchanged in the opposite
direction after phase 2.
4.5.1 CALLING SIDE
Phase 1 (V.8)
FIF Description
0010 Idle
0110 Idle
0111 ANSam
reception
0011 CM
transmission
0112 JM
reception
0012 CJ
transmission
0013
Phase 1 end
Phase 2 (Line Probing)
FIF Description
0020 Idle
0021
75 ms interval
0121 Waiting
for
INFO0a
0022 INFO0c
transmission
0122 INFO0a
reception
0123 A
reception
0023
INFO0c retransmission due to missing INFO0a
0024
INFO0c retransmission due to the second INFO0a reception
0031 B
transmission
0032
B bar transmission
0033 L1
transmission
0034 L2
transmission
0041
B transmission during INFOh reception.
0127 INFOh
reception
0042
Phase 2 end
0043
Waiting for A due to recovery from phase 3 (control channel)