76
MINI-MODEM (33.6 KBPS DATA/FAX MODEM)
Register
Unit
Range
Default
Description
S24
50 ms
0–255
20
Sets the time the DSR, CTS, and
CD signals drop before going
high again. Used for some PBX
and CBX phone systems.
S25
100 ms
0, 1–255
0
Sets the time the DTR signal
must be dropped before the
modem disconnects. The 0
default equals 50 ms.
S30
1 min.
0, 1–255
0
Sets how long the modem waits
after the last character is received
or transmitted before it
disconnects. The 0 default
disables the timer.
S32
100 ms
0–255
20
Sets the time the modem will wait
for a RETURN to be entered
during escape-sequence
execution.
S34
1 char-
0–60
10
Sets the number of com-
acter
mand characters allowed
after +++AT.
S36
1 sec.
0, 1-255
5
Sets the time between DTR
inactive and modem off-hook.
S36=0 disables DTR busy-out.
S37
1 sec.
0-255
5
Sets the time between DTR
active and modem on-hook.