Hardware reference guide
Quantum Field Bus Modules
35013379 02 October 2007 237
Communications 
Module
The following diagram provides a view of the 140EIA92100 communications 
module. 
1  LED Display
2  AS-i (Red): ON shows the module is not powered. Flashing shows automatic addressing 
enabled.
3  SLV/BUS (Green): ON when LEDs 0-31 are in bus display mode.
4  I/O Status (Green): ON when LEDs 0-31 are in slave display mode.
5  Mode (Push Button): Press and hold this button to change from slave mode to bus mode.
6  Address (Push Button): Press this button to scroll through the 32 slaves. Hold to reverse 
direction of the scroll.
7  AS-i Channel Cable Connector: Connects module to AS-i cable and AS-i power supply.
1
2
3
4
5
6
7
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com










