Honeywell HZC-252N Series Operation Manual page 9

4.3. Remote Control using for RS-422/485 connection ( Connector pin 9,10,11,12 ) -------- OPTION
Connect to Serial PORT
(COM1 or COM2)
Serial Cable
Serial Cable
( 9 Pin D-Sub )
RD 2
3
TD
5
SG
RS-422/485 Converter
14P Cable
10 RD(TxD)
11
TD(RxD)
422
12
GND
RS-485 Converter
T+
T-
R+
R-
485
RS-485 Converter
TRxD+
TRxD-
- 9 -
14P Cable
14P Cable
9 R +
10 R-
11
T+
12 T-
14P Cable
9 R +
10 R-
11 T+
12
T-