RCS TR65 Installation Manual

DCN 140-02165-01 4/20/12 6
Connecting to RS232 Communications Ports
RCS Model 485PB 5-Port RS232 to RS485 Converter with power outputs.
B&B Electronics Model 485DB9TB RS232 to RS485 Converter - 2 wire
USConverters Model RS485 RS232 to RS485 Converter – 2 wire
Connecting to USB Ports
Several companies make USB to RS485 Converters.
B&B Electronics
Model 485USBTB-2W
USConverters
Model US485MIO
Model USB485CAB
RS485
HVAC Control Unit
Gnd
D+
D -
V
G
B+
A -
PC or
Control System
DB9 Serial
Com Port
Standard PC serial cable (incl)
(DB9 to DB9)
5 Port
RS485
Hub
12VDC Power
Transformer (incl)
PC or
Control System
DB9 Serial
Com Port
+12 G G TD(B) TD(A)
RS485
HVAC Control Unit
Gnd
D+
D -
Model 485DB9TB
PC or
Control System
DB9 Serial
Com Port
+5V
G
D-
D+
RS485
HVAC Control Unit
Gnd
D+
D -
Model RS485

RCS TR65 Specifications

General

Brand	RCS
Model	TR65
Category	Thermostat
Language	English