US Robotics Sportster Flash x2 User Manual page 65

Register Default
S27 1
Function
Bit-mapped register setup. To set the
register, see instructions for S13.
Bit Value
0 1
1 2
2 4
3 8
4 16
5 32
6 64
7 128
Sportster Flash x2 - User's Guide
Result
Enables ITU-T V.21
modulation at 300 bps for
overseas calls; in V.21
mode, the modem answers
both overseas and domestic
(U.S. and Canada) calls, but
only originates V.21 calls.
(Default Bell 103)
Enables unencoded (non-
trellis coded) modulation in
V.32 mode; rarely used part
of ITU-T Recommendation
V.32.
Disables V.32 modulation.
Disables 2100 Hz answer
tone to allow two V.42
modems to connect
more quickly.
Enables V.23 fallback mode.
Disables V.32 bis mode.
Reserved.
Software compatibility mode.
This setting disables the
codes and displays the 9600
code instead. The actual rate
of the call can be viewed on
the ATI6 screen. Used for
unusual software
incompatibilities. Some
software may not accept
7200, 12.000 and 14.400 bps
or greater result codes.
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