Honeywell Mercury User Manual page 41

Modem Configuration (WINDOWS)
Wait For Dial Tone
Wait For Dial Tone is used by the modem to determine the amount of
time in seconds that it will wait for a dial tone before trying to make a
call. If a Dial Tone is not established in the allotted time, the modem
will return to an inactive state. The default value for "Wait For Dial
Tone" is 2 seconds.
Figure 28
Wait For Carrier
A carrier is a signal that is established by both modems allowing them
to communicate properly. The Wait For Carrier is used by the modem
to determine the amount of time (in seconds) that it will wait from the
time it dials to make a connection to a modem being called. The default
value is 30 seconds.
Figure 29
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