Modem set EOL to In - Metasys - LIT-12011034 - General System Information - Metasys System - Release 11.0

MS/TP Communications Bus Technical Bulletin

Product
Building Automation Systems > Building Automation Systems > Metasys System
Document type
Technical Bulletin
Document number
LIT-12011034
Version
Release 11.0
Revision date
2022-02-07
To set the modem as an end-of-line device, wire the 9-pin connector using solder connections as shown in Figure 1.
Important: If the fiber modem is at the end of a network segment (one wire connected) then you must use the built-in termination. Failure to use the built-in termination will affect the biasing and other electrical characteristics of the trunk.
Note: The following figure shows the 9-pin female connector. The pin numbers on the 9-pin male connector are reversed.
Figure 1. Female modem cable connector: EOL set to In