User`s guide

Status Registers
Modem 3600 10-29
Current Modulation S91
The S91 register is for reference only.
S92 - S94
Reserved
Bit Value Command Description
3-0 0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
-- Auto mode
V. 2 1
B103
Reserved
B212A
V.22 bis
V.27 (lease line only)
Reserved
V.29 (lease line only)
Reserved
V.33 (lease line only)
V.32 bis
V. 3 4
7-4 -- -- Reserved