The following cable diagrams present electronic schematics for those who are interested in building cables themselves.
Cables compatible with Trimble 4000 series receivers and equipment:
Article ID: 194
Created: March 24, 2010
Last Updated: March 24, 2010
Author: Beth Bartel
Online URL: https://kb.unavco.org/article/trimble-4000-series-compatible-cable-schematic-diagrams-194.html