5634BIF User’s Manual
38
S-Register
Range
Default
Description
S37
Bit
Mapped
Desired Line Connection Speed
Register S37 is bit-mapped and provides the
following functions.
0 Attempt automode connection. If N0 is
active, connection is attempted at the most
recently sensed DTE speed. If N1 is
active ,connection is attempted at the
highest possible speed. (Default)
1-3 Attempt a 300 bps connection
5 Attempt a V.22 1200 bps connection
6 Attempt a V.22bis 2400 bps connection
7 Attempt a V.23 connection
8 Attempt a V.32bis 4800 bps connection
9 Attempt a V.32bis 9600 bps connection
10 Attempt a V.32bis 12000 bps connection
11 Attempt a V.32bis 14400 bps connection
12 Attempt a V.32bis 7200 bps connection
S38
0-255
seconds
20
Delay Before Forced Hang Up
This register specifies the delay between the
modem’s receipt of the H command to
disconnect (or ON-to-OFF transition of DTR if
the modem is programmed to follow the signal),
and the disconnect operation. Applicable to
error-correction connection only. This register
can be used to ensure that data in the modem
buffer is sent before the modem disconnects.
If S38 is set to a value between 0 and 254, the
modem will wait that number of seconds for the
remote modem to acknowledge all data in the
modem buffer before disconnecting. If time
expires before all data is sent, the NO
CARRIER result code will be issued to indicated
that data has been lost. If all data is transmitted
prior to time-out, the response to the H0
command will be OK.
If S38 is set to 255, the modem does not time-
out and continues to attempt to deliver data in
the buffer until the connection is lost or the data
is delivered.
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