User`s guide

Table Of Contents
Communication
232 Mitsubishi Electric, MA00759F
Register Description
Ctrl. reg. 0 Contains commands describing how the controller is to dial up and
establish communication.
0 Wait for command.
1-10 Dial up with the phone number entered in the field Phone
No 1-10. Maximum of 40 characters.
11 Dial up with a phone number stored in the controller.
This number is stored as an ASCII string, which begins in
the third control register and the following registers.
The string can contain a maximum of 40 characters, i.e.
20 registers. It is not necessary to use all the registers.
The last register read must contain the ASCII code 0.
101-110 An initiation string is sent to the modem. Enter Hayes
modem command commands in the field Phone No 1-10.
Command 101 sends the string in the field Phone No 1,
etc.
111 An initiation string stored in the controller is sent
to the modem. Enter Hayes modem commands beginning
in the third control register. See command 11 for details.
255 Hang up command.
Ctrl. reg. 1 The second control register is used as a status register. It contains
the results of the modem commands. The status register can
contain the following:
Status codes
0 Command executed successfully.
1 Dialling in progress.
2 Modem has established connection.
3Modem detected a ring signal.
Error codes
101 No connection.
102 Modem detected lost carrier.
103 Unspecified error from modem.
104 Modem gets no dial tone.
105 Busy when dialling.
106 No answer when dialling.
107 No reply from modem.
255 Unknown error/status.
Ctrl. reg. 2 The operator panel can dial up with a phone number stored in the
controller. This number is stored as an ASCII string, which begins in
the third control register and the following registers. The string can
contain a maximum of 40 characters, i.e. 20 registers. It is not nec-
essary to use all the registers. The last register read must
contain the ASCII code 0.