Modbus to BACnet Start-up Guide
Page 8 of 25
5
INSTALLING THE EZ GATEWAY
5.1 RS-485
5.1.1 RS-485 Connection R2 port
Connect to the 3 pins on the left-hand-side of the 6 pin connector as shown.
The following Baud Rates are supported on the R2 Port:
4800, 9600, 19200, 38400, 57600, 115200
5.1.2 RS-485 Connection R1 Port
Connect to the 3-pin connector as shown.
The following Baud Rates are supported on the R1 Port:
110, 300, 600, 1200, 2400, 4800, 9600, 19200, 20833, 28800, 38400, 57600, 76800, 115200
+
-
GND
B+
A-
SG
Figure 2
– R2 Port connection
Figure 3
– R1 Port connection