Distech Controls EC-BOS-9 Installation Guide

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Wiring and Power Up
When correctly mounted, the top of the EC-BOS-9 contains the COM ports and the bottom of the controller the Ethernet ports.
Figure 4: Power and field communications ports
1
Earth ground
2
Power
3
RS485 ports and bias switches. Refer to RS485 Wiring and RS485 Bias Switches for details.
4
Secondary Ethernet port (Sec), 10/100/1000 Mbit, RJ–45
5
Primary Ethernet port (Pri), 10/100/1000 Mbit, RJ–45
RS485 Wiring
On the EC-BOS-9 top side, two RS485 ports operate as COM1 and COM2. Each port is capable of up to 115,200 baud, and uses a 3-position, screw
terminal connector.

Distech Controls EC-BOS-9 Specifications

General

Brand	Distech Controls
Model	EC-BOS-9
Category	Controller
Language	English