TACAN Shore Based Antenna Group Specification Attachment 1.pdf

This document is a Cable Running Sheets technical drawing for the Transponder Group, TACAN AN/URN-32 system. The drawing, designated WL-0231674, was released on 9/30/2014 and is maintained electronically at SSC Pacific San Diego under CAGE code 55910. The document contains technical data restricted by the Arms Export Control Act (Title 22, U.S.C. Sec. 2751 et seq.) and Executive Order 12470, with distribution authorized to DoD and DoD contractors only under Critical Technology classification dated 2014-Oct-01.

The cable running sheets provide detailed pin-out configurations and signal specifications for two primary cable assemblies: a 24-wire MIL-C-915/49 cable designated R-RN(4) connecting the Transponder unit to the Antenna Control unit, and a 3-wire MIL-C-915/45 cable designated R-RN(8). The documentation specifies connector types (MS3406D28-21S and MS3406D28-21P), wire colors, pin assignments, and functional descriptions including remote turn-on controls, trigger signals, alarm conditions, bias voltages, and antenna band switches. Additional technical data sheets provide electrical characteristics and signal parameters for each pin function, including voltage logic levels, current specifications, rise times, and fall times. The drawings also note that 2SU-3 cable with maximum 250-foot length should be used for shipboard installations, with 600 OHM cable specified for shore stations with up to 3-mile maximum length.