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3 Installation

3.1 Connecting the R1 & 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.

The following baud rates are supported:

9600, 19200, 38400, 76800

3.1.1 Wiring

RS-485

BMS RS-485

Wiring

Gateway Pin

Assignment

RS-485 + TX +

RS-485 - RX -

GND GND

NOTE:Use standard grounding principles for GND.

8 BACnet Router Start-up Guide

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MSA FS-ROUTER-BAC2 Specifications

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