Reference Information
Modem Reference Information
210 Corporate Evaluator’s Guide
Register Function (3Com/US Robotics) Range Default
S33
V.34 and V.34+ connection setup bitmapped control flags.
1=Disable 2400 symbol rate
2=Disable 2743 symbol rate
4=Disable 2800 symbol rate
8=Disable 3000 symbol rate
16=Disable 3200 symbol rate
32=Disable 3429 symbol rate
128=Disable shaping
0
S34 V.34 and V.34+ connection setup bitmapped control flags
16=Disable nonlinear coding
32=Disable transmit level deviation
64=Disable preemphasis
128=Disable precoding
0
S38 Delay before forced hangup (optional) (seconds) 0-255 0
Selected Result Codes (3Com/US Robotics)
Code Meaning
0 OK
1 CONNECT
2 RING
3 NO CARRIER
4 ERROR
5 CONNECT 1200
6 NO DIAL TONE
7 BUSY
8 NO ANSWER
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