Emerson 7400M Series - Page 57

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GND 1
TD 2
RD 3
RTS 4
CTS 5
DSR 6
GND 7
DCD 8
DTR 20
RI 22
1
2
3
4
5
6
7
8
20
22
D25 m D25 f
ModemUPS X4
wiring details for connections
of UPS to Modem via DB25
socket
GND 1
TD 2
RD 3
RTS 4
CTS 5
DSR 6
GND 7
DTR 20
1
2 TD
3 RD
4 RTS
5 CTS
6 DSR
7 GND
8 DTR
D25 m D25 f
ModemUPS X4
wiring details for connections
of UPS to Personal
Computer via DB25 socket
GND 1
TD 2
RD 3
RTS 4
CTS 5
DSR 6
GND 7
DTR 20
2 RD
3 TD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
D25 m D9 m
PC RS-232UPS X4
wiring details for connections
of UPS to Personal
Computer via DB9 socket
Figure 4-12: RS232 connections to PC or Modem
7400M
-
Series UPS User Manual
Single Module and 1+N Parallel System