3Com 56K Command Reference Manual page 142

A-6 A A: S-R
PPENDIX EGISTERS
Register Default Function
S13 0 Bit-mapped register. See the beginning of this appendix for
information about setting bit-mapped registers.
Bit
0
1
2
3
4
5
6
7
S14 1 Bit-mapped register (See the beginning of this appendix for
information about setting bit-mapped registers).
Bit
0
S15 0 Bit-mapped register. (See the beginning of this appendix for
information about setting bit-mapped registers).
Bit
0
1
2
3
Value Result
1 Reset when DTR drops.
2 Reverse normal Auto Answer
operation: On incoming RING, enter
Originate Mode and look for an
answer tone.
4 Disable 250 ms pause before result
code display.
8 On DTR signal, autodial the number
stored in NVRAM at position 0.
16 At power-on/reset, autodial number
stored in NVRAM at position 0.
32 Disable HST (used for testing
V.32terbo in Business Modems).
64 Disable MNP Level 3 (used for
testing Level 2).
128 Hardware reset (works like
powering off and then on).
Value Result
1 Disconnect on escape code.
Value Result
1 Disable the Business Modem's extra
high-frequency equalization if it
causes problems on shorter-link
calls for HST modulation only.
2 Disable online fallback.
4 Disable 450 bps back channel* HST
only.
8 Reset non-ARQ mode Transmit
buffer from 1.5K bytes to 128.* (for
the convenience of BBS operators
taking calls from remote users of
slower modems).