scope:

This standard establishes design and engineering criteria for long haul and tactical Technical Control Facilities (TCFs) and associated Patch and Test Facilities (PTFs) in the Department of Defense (DOD).

This document establishes standards to apply during the design, planning, and engineering phases of all facilities that perform or will perform the functions listed in paragraph 4.1. Existing TCF's need not be immediately converted to comply with the requirements of this document. New TCF's and those undergoing modification or rehabilitation shall conform to these standards subject to the applicable requirements of current procurement regulations. Several non-mandatory design objectives are included in this standard and should be adopted whenever economically feasible. Following is a list of these design objectives and their location in this standard.

OBJECTIVE PARA ----------------- ------------- Automated tech control functions 4.2.1.1 Modular equipment bay design 4.2.1.2 Test equipment recording capability 4.2.2.5 Universal shelf concept 4.2.2.11 Transmission access 5.2.1.2 Low level digital interface 5.2.1.2.2 Multi-function conditioning equipment 5.2.2.2 Low level digital interface 5.2.2.3.1.1 Low level digital interface 5.2.2.3.8 Interbay trunk jacks 5.3.11

The criteria in this standard are applicable for a completely BLACK TCF. The inclusion of any RED provision in the TCF requires the compliance of this standard and also with current RED/BLACK Engineering Criteria in NACSIM 5203.

The requirements of this standard shall also apply to those PTFs that are required to provide monitoring, testing, or control of a transmission path. Equally, they shall apply to those PTFs serving terminals, switching, or transmission equipment.