Installing The Bacnet Router; Connecting The R1 And R2 Ports; Wiring; Figure 3: R1 & R2 Connection Ports - SMC Networks FieldServer FS-ROUTER-BAC2 Startup Manual

BACnet Router Start-up Guide
3

INSTALLING THE BACNET ROUTER

3.1

Connecting the R1 and R2 Ports

The R1 and R2 Ports are RS-485.
NOTE: For the R1 Port, ensure RS-485 is selected by checking that the number 4 DIP Switch is set
to the left side.
Connect to the 3-pin connector(s) as shown below.
+ - GND
TX+ RX- GND
Figure 3: R1 & R2 Connection Ports
The following baud rates are supported:
9600, 19200, 38400, 76800

3.1.1 Wiring

RS-485
BMS RS-485 Gateway Pin
Wiring Assignment
RS-485 + TX +
RS-485 - RX -
GND GND
NOTE: Use standard grounding principles for GND.
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