Connecting The R1 Port; Wiring; Supported Rs-485 Baud Rates By Protocol; Figure 5: R1 & R2 Connection Ports - SMC Networks FieldServer FS-QS-2X10 Quickserver Start-Up Manual

4.3

Connecting the R1 Port

For the R1 Port only: Switch between RS-485 and RS-232 by moving the number 4 DIP Switch left for
RS-485 and right for RS-232
The R2 Port is RS-485.
Connect to the 3-pin connector(s) as shown below.

4.3.1 Wiring

NOTE: Use standard grounding principles for GND.

4.3.2 Supported RS-485 Baud Rates by Protocol

The supported baud rates for either port is based on the protocol of the connected devices.
The following baud rates are supported for Modbus RTU:
2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200
The following baud rates are supported for BACnet MS/TP:
9600, 19200, 38400, 76800
4).
(Figure
Figure 5: R1 & R2 Connection Ports
RS-485
BMS RS-485 Gateway Pin
Wiring Assignment
RS-485 + TX +
RS-485 - RX -
GND GND
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QuickServer Start-Up Guide
+ - GND
TX+ RX- GND
RS-232
BMS RS-232 Gateway Pin
Wiring Assignment
RS-232 - TX +
RS-232 + RX -
GND GND