Chapter 1. INTRODUCTION - TM-32-5895-227-14-P0013

TM 32-5895-227-14&P

CHAPTER 1

INTRODUCTION

Section I. GENERAL

1-4 ADMINISTRATIVE STORAGE . Administrative

1-1 SCOPE. This manual provides operator/crew,

storage will be in accordance with instructions provided

organizational, direct support, and general support

in TM 740-90-1, Administrative Storage of Equipment.

instructions for the installation and maintenance of

Communications Central AN/MSQ-71 (figure 1-1). A

repair parts list is also included.

1-5 CALIBRATION . No calibration of the equipment

in this group is required.

1-2 MAINTENANCE FORMS AND RECORDS .

Department of the Army forms and procedures used for

1-6 REPORTING EQUIPMENT IMPROVEMENT

equipment maintenance will be those prescribed by TM

RECCOMMENDATIONS (EIR's) . If your AN/MSQ-71

38-750, The Army Maintenance Management System

needs improvement, let us know. Send us an EIR.

(TAMMS).

You, the user, are the only one who can tell us what you

don't like about your equipment. Let us know why you

1-3 DESTRUCTION OF ARMY MATERIEL TO

don't like the design. Tell us why a procedure is hard to

PREVENT ENEMY USE. The AN/MSQ-71 will be

perform. Put it on an SF 368 (Quality Deficiency

Report). Mail it to us at US Army Electronics Materiel

destroyed to prevent enemy use in accordance with

Readiness Activity, ATTN: SELEM-ME-F, Vint Hill

instructions provided in TM 750-244-2, Procedures for

Farms Station, Warrenton, Virginia 22186. We'll send

Destruction of Electronics Materiel to Prevent Enemy

you a reply.

Use (Electronics Command).

Section II. DESCRIPTION AND DATA

Radio ReceiverR-390A/URR. Refer to TM

1-7 PURPOSE AND USE. The AN/MSQ-71 is a

11-5820358-35 for a description of the R-390A/URR.

control center used to detect, monitor, and analyze local

Communications Control Console (CCC)

and remote radio frequency signals. A local central

OA-7735/G. Refer to figure 3-2. Two CCC's are used in

station and up to 36 remote outstations are combined to

form an operational communications complex of wide-

the central station. The CCC is rack-mounted and has

ranging effectiveness. All activities are coordinated by

109 pushbuttons that are used for intercommunication

the central station.

purposes and for monitor switching.

Intercommunication

Switchboard

SB-

1-8

DESCRIPTION.

2601/G. Refer to figure 3-3. The intercommunication

General. The components in the AN/MSQ-

switchboard is a rack-mounted unit which has 10

71 baseline configuration are listed in tables 1-1 and 1-

pushbutton switches and 10 sets of thumbwheel

2. Other components, such as the central station

switches. It is used in the central station to transfer

housing and racks, the central station and outstation

outstations from the CCC to the Radio Intercept Control

Switchboard (RICS) SB-2602/G.

accessories, and antennas (all of which may vary,

Antenna Coupler CU-872A/4U Refer to

depending on overall configurations) are identified in the

typical arrangements shown in figures 1-1 through 1-4.

NAVSHIPS 94490 for a description of the CU-872A/U.

Refer to the station specifications for detailed coverage

Teletypewriter Set AN/TGC-14. Refer to

of these items.

TM I 15815-206-12 for a description of the AN/TGC-14.

Telephone Set TA-676/G. Refer to figure 3-

Radio Intercept Control Switchboard (RICS)

SB2602/G. Refer to figure 3-4. The RICS is a rack-

(1)

One TA-676/G (STANDARD) is used

mounted unit used in the central station for

in each outstation.

intercommunication between 10 or less outstations and

(2)

Four TA-676/G's (SPECIAL) are used

the central station.

in the central station. (The CCC button on these sets

has been replaced with a cap.) (3) One TA-676/G

(SUPERVISOR) is used in the central station.

(Amplifier No. 2 on this set has been replaced with a

strap.)

1-1