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50 Sportster Winmodem 33600 & x2/56K - User's manual
Reg Default Function
S15 0 Bit-mapped register. To set the register see
the instructions for S13.
Bit Value Result
0 (zero)1 Disable ARQ/MNP for V.22.
1 2 Disable ARQ/MNP for .22bis.
2 4 Disable ARQ/MNP for
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.
7 136 Disable V.42 detection phase.
S16 0 Bit-mapped test register. Allowable value is
2.
Bit Value Result
0 Reserved.
1 2 Touch tone dialing test.
2–7 Reserved.
S17 0 Reserved.
S18 0 Test timer for &T
n
loopback testing. Sets the
time in seconds of testing before the modem
automatically times out and terminates the
test. When set to 0, the timer is disabled.
S19 0 Sets the duration, in minutes, for the Inac-
tivity Timer. The timer activates when there is
no data activity on the phone line; at timeout
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 compu-
ter; applies to ARQ mode only.
S22 17 Stores the ASCII decimal code for the XON
character. Valid range is 0–127.