Figure 19 Rs-485 Wiring For Tx3-Cx-2-A; Figure 20 Rs-485 Wiring For Tx3-Cx-4-A - Mircom TX3 Series Installation Manual

Panel 1
First panel on network
120 Ω
Optional common
reference connection
if available
Figure 19. RS-485 Wiring for TX3-CX-2-A
Panel 1
First panel on network
Controller 1 Controller 2
120 Ω
Optional common
reference connection
if available
NOTE: WIRES MUST BE TWISTED.
Figure 20. RS-485 Wiring for TX3-CX-4-A
UL Listed TX3-CX Card Access System Installation Manual
44
LT-6906 Copyright 2019
Panel 2
Connect shield to chassis
ground on one panel only
Optional common
Connect shield to chassis
reference connection
ground on one panel only
if available
Setup of the Card Access Controller
Connect shield to chassis
ground on one panel only
Panel 2
Panel 3
Last panel on network
120 Ω
Panel 3
Last panel on network
120 Ω
Connect shield to chassis
ground on one panel only
Version 2