Rs-232 Controller Connection - Runco Climate Portfolio WP-42HD User Manual

Use a "null-modem" (cross-over) RS-232 cable with a 9-pin, female connector to connect
a PC or home theater control/automation system (if present) to the RS-232 port on the
WP-42HD.
For more information about using this connection, refer to Serial Communications on
page 19.
Runco WP-42HD Owner's Operating Manual
(D-sub 9-pin
female)
3
To PC or
Control
System
Cable Wiring
PC or Control Serial Port IN
System
1
CD
2
RXD
3
TXD
4
DTR
5
SG
6
DSR
7
RTS
8
CTS
9
RING
Installation
➤
RS-232 Controller
Connection
1
N.C.
2
RXD
3
TXD
4
N.C
5
SG
6
N.C
7
RTS
8
CTS
9
N.C.