Delta MMC120 - Manual (Page 94)

User Notes DCS120 Diagnostic and Setup Program
94 Delta Computer Systems, Inc. 360/254-8688
MMC120 Communication Cable
DCS120 communicates with the MMC120 through the RS-232 port on the module.
RS-232 Cable (same as Modbus cables for PC)
9-Pin Female 9-Pin Male
NC
RX
TX
DTR
GROUND
DSR
RTS
CTS SHIELD
RX
TX
DTR
GROUND
DSR
RTS
CTS
1
2
3
4
5
6
7
8
NC
1
2
3
4
5
6
7
8
9
25-Pin Female 9-Pin Male
SHIELD
RX
TX
RTS
GROUND
DSR
NC
CTS
SHIELD
RX
TX
DTR
GROUND
DSR
RTS
CTS
1
2
3
4
5
6
7
8
NC
1
2
3
4
5
6
7
8
9
DTR 20
pin (PC) pin (MMC120)
pin (MMC120) pin (PC)
The communication rate between DCS120 and the MMC120 is 9600 baud.
A demo program is available on the DCS120 distribution disk.