Hardware reference guide
Misc. Components
35013379 02 October 2007 749
Modbus Plus 
Ruggedized Tap
The following figure shows the Modbus Plus Network ruggedized tap, part number 
990NAD23010.This tap is mounted on the ruggedized Modbus Plus tap din rail 
mounting bracket, part number 990NAD23012. 
Modbus Plus 
Ruggedized Tap 
Terminator
The following figure shows the Modbus Plus network terminator plug, part number 
990NAD23011, for the ruggedized Modbus Plus tap. 
Modbus Plus 
Ruggedized Tap 
Programming 
Cable
The following figure shows the Modbus Plus programming cable, part number 
990NAA21510, for the ruggedized network tap. 
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com










