Soft Switch: #37 - NEC NEFAX 671 Service Manual

(37) SOFT SWITCH: #37

Bit
Designation
No.
Polling TX type for
8
V.34 modem
Auto dial learning for
7
V.34 modem
6
5
RX start symbol rate
for V.34 modem
4
3
2
TX start symbol rate
for V.34 modem
1
Function
0: V.34
1: V.17
0: Yes- skip V.34 handshaking with remote
side
1: No - retry from V.8 handshake
3429 3200
Symbol rate
sym/s sym/s
33.6 31.2
Max. speed
kbps kbps
Bit 6 0 0
Bit 5 0 0
Bit 4 0 1
Symbol rate
Reserved
Max. speed
Bit 6 1 1
Bit 5 0 1
Bit 4 1 0
3429 3200
Symbol rate
sym/s sym/s
33.6 31.2
Max. speed
kbps kbps
Bit 6 0 0
Bit 5 0 0
Bit 4 0 1
Symbol rate
Reserved
Max. speed
Bit 6 1 1
Bit 5 0 1
Bit 4 1 0
S-138
Initial
Setting
Bit HEX
0
0
0
3000 2800 2400
0
sym/s sym/s sym/s
26.4 24.0 21.6
kbps kbps kbps
0 0 1
1 1 0
0 1 0
0
1
1
1
0
3000 2800 2400
0
sym/s sym/s sym/s
26.4 24.0 21.6
kbps kbps kbps
0 0 1
1 1 0
0 1 0
0
1
1
1
0
0