MIL-STD-188/256, DEPARTMENT OF DEFENSE INTERFACE STANDARD: INTEROPERABILITY & PERFORMANCE STANDARDS FOR DIGITAL SIGNALING & SUPERVISION OF TACTICAL COMMUNICATIONS SYSTEMS (16 AUG 1985) [NO S/S DOCUMENT]

MIL-STD-188/256, DEPARTMENT OF DEFENSE INTERFACE STANDARD: INTEROPERABILITY & PERFORMANCE STANDARDS FOR DIGITAL SIGNALING & SUPERVISION OF TACTICAL COMMUNICATIONS SYSTEMS (16 AUG 1985) [NO S/S DOCUMENT]., The purpose of this document is to promulgate technical design and engineering parameters in the form of mandatory system standards and optional design objectives that are considered necessary to ensure interoperability and to promote compatibility and commonality among tactical digital circuit switching equipment.