Toshiba GD-1210 Service Manual page 63

3) Example of protocol
The signals shaded in the following figure are the most important signals in the procedure.
- Late start
The receiver cannot detect CM signal while it is sending the ANSam signal. Therefore, it sends a
DIS signal to inform the availability of V.8 support. The transmitter sends a CI signal that causes
the receiver to send another ANSam signal which makes the receiver move to the V.8 procedure.
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Transmitter Receiver
Line closed
( DIS cannot
be recognized )
Fig. 3-8
3 - 21
GD-1210/1250/1270/1160/1260
DIALING/COMMUNICATION CONTROL
3