Usb Port; Inputs; Figure 21 Rs--485 Wiring For Tx3-Cx-6-A; Figure 22 Rs-485 Wiring For Tx3-Cx-8-A - Mircom TX3 Series Installation Manual

Panel 1
First panel on network
Controller 1 Controller 2
3" wires
120 Ω
Optional common
reference connection
if available
NOTE: WIRES MUST BE TWISTED.
Figure 21. RS--485 Wiring for TX3-CX-6-A
Panel 1
First panel on network
Controller 1 Controller 2
3" wires
120 Ω
Optional common
NOTE: WIRES MUST BE reference connection
TWISTED.
if available
Figure 22. RS-485 Wiring for TX3-CX-8-A
4.6

USB Port

The USB port provides a connection to a PC, for configuring the Card Access
System and downloading any new firmware.
4.7

Inputs

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
section 2 on page 13.
UL Listed TX3-CX Card Access System Installation Manual
Version 2
LT-6906 Copyright 2019
Controller 3
22" wires
Optional common
reference connection
if available
Controller 3 Controller 4
3" wires
22" wires
Optional common
reference connection
if available
Setup of the Card Access Controller
Panel 2
Connect shield to chassis
ground on one panel only
Panel 2
Connect shield to chassis
ground on one panel only
Panel 3
Last panel
on network
120 Ω
Connect shield to chassis
ground on one panel only
Panel 3
Last panel
on network
120 Ω
Connect shield to chassis
ground on one panel only
45