Panasonic FP-M Hardware Manual page 238

8-12. Modem Communication
System configuration: One computer and one FP-M control board
Computer
The following diagrams show the pin layout of the cables for modem communication.
Cable pin layout
Cable 1:
• Between IBM PC-AT (9 pins) and a modem (25 pins)
IBM PC-AT (9 pins)
Pin No. Abbreviation
1 CD (DCD)
2 RD (RXD)
3 SD (TXD)
4 ER (DTR)
5 SG
6 DR (DSR)
7 RS (RTS)
8 CS (CTS)
9 RI (CI)
Cable 2: Between a modem and RS232C port of FP-M control board
Modem (25 pins)
Pin No. Abbreviation
1 FG
2 SD (TXD)
3 RD (RXD)
4 RS (RTS)
5 CS (CTS)
7 SG
8 CD (DCD)
20 ER (DTR)
22 RI (CI)
230
Cable 1
Modem
Telephone line
Modem (25 pins)
Pin No. Abbreviation
8 CD (DCD)
3 RD (RXD)
2 SD (TXD)
20 ER (DTR)
7 SG
6 DR (DSR)
4 RS (RTS)
5 CS (CTS)
22 RI (CI)
RS232C port (25 pins)
of FP-M control board
Pin No. Abbreviation
1 FG
2 SD (TXD)
3 RD (RXD)
4 RS (RTS)
5 CS (CTS)
7 SG
8
9 ER (DTR)
6
Cable 2
Modem
• Between a personal computer (25 pins) and a modem
(25 pins)
Personal computer (25 pins)
Pin No. Abbreviation
1 FG
2 SD (TXD)
3 RD (RXD)
4 RS (RTS)
5 CS (CTS)
6 DR (DSR)
7 SG
8 CD (DCD)
20 ER (DTR)
FP-M control board
Modem (25 pins)
Pin No. Abbreviation
1 FG
2 SD (TXD)
3 RD (RXD)
4 RS (RTS)
5 CS (CTS)
6 DR (DSR)
7 SG
8 CD (DCD)
20 ER (DTR)