CHAPTER 1 INTRODUCTION - TM-11-5895-932-14-P0007

TM11-5895-932-14&P

CHAPTER 1

INTRODUCTION

Section 1. GENERAL

1-1. Scope

Equipment. Use equipment forms and records in

accordance with instructions in TM 38-750.

a. This manual describes the Patch and Test

b. Station Operation and Maintenance. Use

Facility at Letterkenny Army Depot, Cham-

forms and records in accordance with instructions

bersburg, Pennsylvania and provides instructions

in the station Standard Operating Procedures

for operating and maintaining the facility

(SOP).

equipment. A repair parts list (app B) is also

c. Plant-In-Place Records. Changes, corrections

included.

and updating of Plant-In-Place Records (para 3-3)

b. Throughout this manual references are made

should be reported to US Army Communications

to other publications that cover equipment in the

Electronics Engineering Installation Agency (CED-

facility. A c o m p l e t e l i s t i n g o f a p p l i c a b l e

FER), Fort Huachuca, Arizona 85613.

publications is provided in appendix A.

1-4. Administrative Storage

1-2. Indexes of Equipment Publications

The procedures for administrative storage are

a. DA Pam 310-4. R&r to the latest issue of

outlined in TM 740-90-1; however, the exact

DA Pam 310-4 to determine whether there are new

procedure in repacking for limited storage depends

editions, changes, or additional publications

on the materials available and the conditions under

pertaining to the equipment.

which the equipment is to be stored.

b. DA Pam 310-7. Refer to DA Pam 310-7 to

1-5. Destruction of Army Materiel

determine whether there are modification work

orders (MWOs) pertaining to the equipment.

Refer to TM 750-244-2 for demolition procedures

1-3. Forms and Records

for electronic equipment.

a. Reports of Maintenance and Unsatisfactory

Section II. DESCRIPTION AND DATA

1-6. Purpose and Use

12 trans. 12 Rec

DC High level

The patch and test facility (PTF) installed at this

DC Low level

12 trans. 12 Rec

48 (3 bays)

Multichannel Jack appear-

station provides a centralized point, which is part

ances

of the Automated Telecommunication Center

COMSEC Facilities

rmy Depot in Cham-

KG- 13 (2 operation, 2 spare)

AC Power

the interconnection of

KG-34

120/208.3 phase 60 Hz

Red and black

Additionally, the PTF

(supplied from three sep-

provides access to all

arate power distribution

incoming and outgoing communication lines,

panels)

transmission security, and line, and component

Uses

DC Power Supplies

Alarm panel signaling.

48 Vdc

1-7. Tabulated Data

H/L- L/L operation and

testing purposes

Modulated light sources and

Red/Black Isolation

photosensitive receivers

(appA)

Alarms

Conditions

of installed

(Audible alarm and alarm

panel light)

Circuits (FDX)

Number

Isolator

Loss of power, door open, high

2ea

Autodin

temp(l30)

Remote terminals

18 ea (expandable to 24)

1-8. Description of Patch and Test

Facility,

12ea

Patching Facilities

General

Number

2/wire jack

appearances

The Patch and Test Facility (PTF) is part of the

1-1