AT Command Set and S-Registers
14-17
3910-A2-GN32-40
September 1998
Table 14-3
(3 of 13)
391x Series S-Registers
S-Register
DCP LCD
Command
Sequence
Description
S40
Auto Make Busy. Register determines if the modem goes off-hook
under certain conditions. This register should only be enabled when
the modem is located behind a user’s Private Branch Exchange
(PBX). This register is only valid for Model 3911 modems.
Register has the following values:
0 = Disable
1 = Enable
The factory setting is Disable.
Configure\Edit\
Line Dialer
S41
Dial-Line Rate. Register determines the modem’s data rate and
modulation scheme for operation on dial lines.
Register has the following values:
1 = 14,400 (V.32bis)
2 = 12,000(V.32bis)
3 = 9600 (V.32bis)
4 = 7200 (V.32bis)
5 = 4800 (V.32bis)
6 = 2400 (V.22bis)
7 = 1200 (V.22)
8 = 1200 (212A)
10 = 0-300 (V.21)
11 = 0-300 (103J)
12 = 1200/75 (V.23)
13 = 75/1200 (V.23)
18 = 600/75 (V.23)
19 = 75/600 (V.23)
20 = 19,200 (V.32terbo)
21 = 16,800 (V.32terbo)
The factory setting is 19200 (V.32terbo).
Configure\Edit\
Dial Line
S43
V.32bis Train. Register controls the modem’s train time for
V.32bis/V.32 mode.
Register has the following values:
0 = Long
1 = Short
The factory setting is Long.
Configure\Edit\
Dial Line
