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CHAPTER 6: S-Registers
S16
Callback Attempts
Unit: Attempts
Range: 1-255
Default: 4
Description: S16 defines the number of attempts allowed
after initial passwords have been exchanged
between modems.
S17
Changing Break Time
Unit: 10-mSec intervals
Range: 0-250
Default: 250
Description: S17 defines the break time (space) sent to the
local PC. The default is set for a 250-mSec
(2.5-second) break. The break time can be
changed in 10-mSec increments by increasing
or decreasing the value of S17.
S18
Automatic Leased Line Restoral (336+ Only)
Unit: Minutes
Range: 10-255
Default: 30
Description: When the Series II Modem 336+ (MD1640A) is
in dial backup mode, it periodically checks the
lease line to see if it is operational and tries to
restore the lease line if possible. S18 defines
how often attempts occur. The default of S18
is 30 minutes and can be set in one-minute
increments from 10 to 255 minutes. Setting the
S18 restoral under 10 minutes causes excessive
breaks in dial-up operation.