Epson ESC/VP21 User Manual page 48

remote modem carrier after dialing the telephone number. If the
remote modem carrier is not detected within the S7 time limit,
the modem will hang-up and send a NO CARRIER response code
to the DTE. If the remote modem carrier is detected, the modem
goes into on-line data mode and sends a CONNECT message to
the DTE.
S7 also specifies the time duration for the 'W' (wait for dial tone)
dial modifier.
Range:
Default: 60 seconds
S8
Pause Time for Dial Modifier
S8 specifies the amount of time that the modem will pause during
the dialing process each time the ',' dial modifier is detected in
the dialing string,
Range: 0-255 seconds
Default: 2 seconds
S9
Carrier Detect Response Time
S9 specifies how long the remote modem carrier must be present
on the telephone line before the modem will detect it and turns on
DCD, The greater the time duration, the less likely that a false
3-S REGISTER REFERENCE
1-255 seconds
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