Usb Port; Connecting The Inputs; Figure 12 Rs-485 Connections - Mircom TX3 Series Installation And Operation Manual

3.3.5 RS-485
Panel 1
First panel on network
120 Ω
Optional ground
connection if
available
3.3.6

USB Port

3.4

Connecting the Inputs

Version 2.2
LT-980
An RS-485 terminal lets you easily connect multiple Telephone and Card Access
Controllers across a network. The RS-485 connection is situated at the bottom
middle of the main controller board and consists of two separate terminals, each
for an input and output.
Connect the RS-485 input terminal to the RS-485 output terminal of another
controller. See Figure 12.
Panel 2
Figure 12. RS-485 Connections
The USB port provides a connection to a PC, for configuring the Card Access
System and downloading any new firmware.
Each Card Access Controller has eight inputs to accommodate the different types
of configurable functions associated with the inputs. For additional details and
a complete description of the different types of configurable functions see
Chapter 2 Configurable Features.
TX3-CX Card Access System Installation and Operation Manual
Copyright 2015
Panel 3
Last panel on network
Connect shield to chassis
ground on one panel only
Installation and Setup
120 Ω
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