SimpleTech STI-FAX/28.8 User Manual page 36

Fn Line Connection Speed Setting. This command is not
supported. Use N0 and S37 to force connect mode.
Hn Hang-up Command.
H0 On-hook (hang up).
H1 Off-hook.
In Identification Command.
I0 Report product code (e. g. 28800).
I1 Report read-only memory (ROM) checksum. This
number should always remain the same.
I2 Reports OK.
I3 Report ROM revision level.
I4 Report modem identifier string.
I5 Report country code (e.g. 022 for U.S.).
I6 Report data pump model and code revision.
I7 Reports DAA code for external DAA (if not in-
stalled, reports 255)
Ln Speaker Volume Setting. (See also register S22.) On
PCMCIA modems, there may be no discernable difference
between volume levels.
L0
L1
L2
L3
Mn Speaker Control Setting. This command controls when the
speaker will be on or off. (See also S22.)
M0 Always off.
M1 On during call establishment, off after receiving
carrier.
M2 Always on, even during data transmission.
M3 On between dialing and carrier detection.
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Off.
Low.
Medium.
High.