Reference Information
Modem Reference Information
Register
Function (3Com/US Robotics)
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
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
S38
Delay before forced hangup (optional) (seconds)
Selected Result Codes (3Com/US Robotics)
210
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
Corporate Evaluator's Guide
Range
Default
0
0
0-255
0