23: MODEM MODE
23-10 OPENNET CONTROLLER USER’S MANUAL
Preparation for Using Modem
Before using a modem, read the user’s manual for your modem.
Determine commands for the initialization string
The required initialization string depends on the model and make of the modem. The OpenNet Controller contains 18 pre-
determined initialization strings. When D8200/8300 (RS232C port communication mode selection) value is changed to 1
or D8201/D8301 (modem initialization string selection) value is changed, one of the predetermined modem initialization
strings is stored to D8245-D8269 (RS232C port 1) or D8345-D8369 (RS232C port 2), depending on the value stored in
D8201 or D8301, respectively.
Modem Initialization String Selection
In making this user’s manual, the correct operation has been confirmed on five modems listed in the table above. When
using other modems, set a proper initialization string by referring to page 23-4 and confirm operation
When using the modem in the PBX environment, enter a value listed in the table above plus 10 to D8201/D8301. Try this
value to establish modem connection. If it does not work, enter a value listed above plus 20 to D8201/D8301.
Determine the type of the telephone line
Consult your local telephone company whether your telephone line is for touch tone phones or pulse dial phones. Deter-
mine the dial command according to the type of the telephone line.
ATDT Touch tone phones
ATDP Pulse dial phones
Setting Communication Parameters
The default communication parameters shown below are recommended.
Only when the DTE connected on the communication line uses different communication parameters than the default val-
ues of the
OpenNet Controller, set the matching communication parameters in WindLDR menu bar > Configure > Func-
tion Area Settings > Comm Port. Click the check box for Port 1 or Port 2, and click the Comm. Param. button. Since
the total of modem communication parameters is 10 bits, set the value to a total of 10 bits.
D8201/D8301 Value Applicable Modem Confirmed Operation on
0 AIWA (33.6 Kbps or less) AIWA PV-BW3360
1 OMRON
2 AIWA (56 Kbps)
3 OMRON (56 Kbps) OMRON ME5614
4
Sun Corporation
Micro Research
Sun Corporation MS56KEF
Micro Research MR-560XL
5 Seiko Instruments Seiko Instruments MC-6630
RS232C Port Communication Parameter Default: Baud rate 9600 bps
Start bit 1
Data bits 7
Parity Even
Stop bit 1
Total 10 bits
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