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Chapter 6 - S-Registers
Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide
S30
Inactivity Timer
Unit: 1 min.
Range: 0-255
Default: 0
Description: S30 causes the modem to disconnect if no data is transmitted or received for a
specified time. This timer runs during both Reliable and Normal error correction
connections. The timer restarts any time a data character is passed through the
serial port (either sent or received). If noise on the phone line causes an error to be
received during Normal mode, this also restarts the timer. The default value is off (0).
The inactivity timer is disabled by setting S30 to 0, which is the factory default
setting.
S32
Time Elapse for Escape Sequence
Unit: 1 second
Range: 0-255
Default: 20
Description: S32 sets the time period to validate the escape sequence. If the time interval expires
before the escape sequence is employed (by hitting RETURN), the escape
sequence is aborted. The default is 20 units.
S34
Buffer Length of Command Mode...After On-line Escape Sequence
Unit: ASCII Character
Range: 0-60
Default: 10
Description: If the number of characters after AT exceeds the S34 buffer length value, the buffer
is cleared and the escape sequence is aborted.
S36
Time Between DTR Inactive and Modem Off-Hook
Unit: 1 Second
Range: 0-255 seconds
Default: 0
Description: The DTR Busy-out feature uses S-Register S36 to set the time between DTR
inactive (low) and the modem going off-hook. S36 can be set in one-second intervals
from 0 to 255 seconds. With the default setting of S36=0, DTR Busy-Out is disabled
(i.e., DTR won't Busy-Out).
S37
Time Between DTR Active and Modem On-Hook
Unit: 1 Second
Range: 0-255 seconds
Default: 5
Description: S37 sets the time between DTR being active and the modem going on-hook (not
busy). S37 will only function in conjunction with S36.