Casella CEL Airborne particulate monitoring system - Manual (Page 24)

HB3256-03 Page 22
Editing Communications Set-up.
This option is used to define the P.C’s serial port and communications protocol. (refer to
'Creating A New Logger Profile’).
Edit Modem Set-up.
Remotely located APM950 systems may be interrogated via a modem telephone link. Clicking
the telephone button shown above will open the following configuration screen:-
Initialise:- atz0^M^J~~
These commands are used to initialise the modem. atz0 resets the modem. '^M' generates a
carriage return. '^J' generates a line feed. Each '~' symbol creates a pause of one second.
Dial :- atdt320^M^J
The dialling command and stations telephone number should be placed within the dial line.
Connect:- CONNECT
This is used to define the message generated by the modem following a successful connection.
HangUp:- ~+++~ath0^M^J
This line defines the escape sequence used to select command mode and hang up the telephone
line