Multitech MultiModem ISIHP-2S, User Manual

Page: 96 / 155

96 MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD
Modem AT Commands & S-Registers
S6 Wait Time for Dial Tone
Unit: 1 second
Range: 2–65 (North America), 4–255 (International), 4–7
(U.K.)
Default: 2 (North America), 4 (International and U.K.)
Defines length of time the modem waits after ENTER is pressed before
carrying out a dial command. Default setting is two seconds for North
America, four seconds elsewhere.
S7 Time to Wait for Carrier
Unit: 1 second
Range: 1–255 (USA), 1–45 (Canada and International),
or 1–55 (UK)
Default: 50 (North America and International) or 55
(U.K.)
Determines amount of time the modem waits for a carrier signal before it
disconnects. Default value is 50 seconds except the UK model, which
defaults to 55 seconds. After dialing, the modem waits for a carrier signal
for up to 50 or 55 seconds and if none is detected, terminates the call.
Maximum S7 value is 255 seconds for the US model, 45 seconds for
Canadian and International models, and 55 seconds for the UK model. S7
also determines the wait for silence time for the @ dial modifier.
S8 Pause Time for Comma
Unit: 1 second
Range: 0–65 (North America), 4–255 (International), 4–7
(UK)
Default: 2 (North America), 4 (International and UK)
Determines the length of pause caused by a comma character in a dialing
command. Default setting is two seconds for North American model and
four seconds for international and UK models. S8 can be set for up to 65
seconds. S8 also defines the length of time the modem waits before retrying
a call after it detects a busy signal. Some computer systems need more than
two seconds to reset. If this is the case, increase the value of S8 .
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