Western Telematic Data/FaxModem - Manual (Page 20)

Register Default Function
S14 0 Reserved
S15 0 Bit-mapped register setup. To set the register, see
instructions for S13.
Bit Value Result
0 1 Disable ARQ/MNP for V.22.
1 2 Disable ARQ/MNP for .22bis.
2 4 Disable ARQ/MNP V.32 / V.32bis
/ V.32terbo.
3 8 Disable MNP handshake.
4 16 Disable MNP level 4.
5 32 Disable MNP level 3.
6 64 MNP incompatibility
7 128 Disable V.42 operation.
S16 0 Bit-mapped register setup. To set the register, see
instructions for S13.
Bit Value Result
0 — Reserved.
1 2 Touch tone dialing test.
2-7 — Reserved.
S17 0 Reserved.
S18 0 Test timer for &Tn loopback testing. Sets the length
of time (in seconds) the modem will wait before
automatically timing out and terminating the test.
When set to 0, the timer is disabled.
Valid range is 1 - 255
S19 0 Sets the duration (in minutes) for the Inactivity Timer.
The timer activates when there is no data activity on
the phone line. At time out, the modem hangs up.
S19 = 0 disables the timer.
S20 0 Reserved.
S21 10 Sets the length (in 10 millisecond units) of Breaks
sent from the modem to the computer. Applies to
MNP or V.42 mode only.
S22 17 Stores the ASCII decimal code for the XON
character.
S23 19 Stores the ASCII decimal code for the XOFF
character.
S24 0 Reserved.
Page 18
RMM User’s Guide