Mircom TX3-BBCX-4W Assembly page 4

TX3-BBCX-4W Assembly
5
RS-485
22 AWG
Maximum length: 4000 ft (1219.2 m), twisted shielded pair
This example shows 3 panels connected from right to left.
Connect shield to chassis
ground on one panel only
120 Ω EOL
on last unit
Panel 3
Last panel on network
Documentation is subject to change without notice. See
http://www.mircom.com/tx3 for the latest version of this document.
Mircom technical support: 1-888-647-2665
Optional common reference
connection if available
Panel 2
120 Ω EOL
on fi rst unit
Panel 1
First panel on network
LT-1182 rev 1.2 Page 4 of 6