Description of the TCF - TM-11-5895-1012-100067

TM 11-5895-1012-10

the facilities (except the quality assurance (QA) equip-

lamps in each bay. The bottom of bay 1.11 mounts the

ment) are located in TCF, room 5A910 (fig. FO-12).

black -48 vdc power system; consisting of two 48 vdc

There are three bays of QA equipment in the Electron-

power supplies, an alarm panel, and a fused power dis-

ic Maintenance Room (para 3-10). As shown in figure

tribution panel. Bays 1.12 and 1.19 each contain an

FO-12, the TCF consists of two rows of equipment

order-wire panel. Bays 1.13 and 1.15 have writing

bays, a red cable vault, and red and black ground and

shelves with AN/FGG-80 t&typewriter sets mounted

power distribution boxes. In addition the room con-

on the shelves. One 24 vdc power supply is in bay 1.16

tains Crypto equipment, modems, voice frequency car-

with a second unit in bay 1.17. Bay 1.16 contains the

rier telegraph (VFCT) equipment and etc. Equipment

24 vdc meter panel, alarm panel and fused power dis-

rows No. 1 and No. 2 are described in paragraphs a and

tribution panel. Bay 1.17 also contains the black 6 vdc

b below. Sample bay elevations are shown in figures

power system; consisting of two power supplies (with

3-1, 3-2, and 3-3.

alarms), meter panel, and fused power distribution

a. Description of Equipment Row No. 1

panel. Bay 1.21 includes the black indicating equip

(1) General. Equipment row No. 1 contains 21

ment; consisting of a MAJOR/MINOR alarm panel,

bays of patch and test equipment and four bays of

audible alarm panel and two crypto ancillary unit/corn-

DCL/MOLINK equipment. Bays 1.22 through 1.24

mon control unit (CAU/CCU) alarm panels.

(DCL/MOLINK) are covered in (C) PDEP

(7) Black Digital Test Bays. Bays 1.14 and 1.18

11-5895-832-14(2). Row No. 1 is called the black

are the black digital test bays. The bays are similar in

equipment row, because bays 1.1 through 1.21 connect

configuration. Each bay contains a 150 vdc meter

to unsecure or encrypted circuits.

panel, a 601 Data Transmission Test Set, HP-180BR

(2) Black VF and Digital IDF Bays. Bay 1.1 con-

Oscilloscope with connection panel, AN/GGM-15(V)

&b of two intermediate distribution frame (IDF)

Telegraph Test Set, INT panel with 48 lamps, and a

bays. Bay 1.10 consists of three IDF bays. Each bay

writing shelf.

b. Description of Equipment Row No. 2

contains a front door to allow access to a patch cord

type cross connect matrix. The IDF's are similar and

(1) General. Equipment row No. 2 contains 20

bays of equipment and four bays of IDF patch cord

discussed in paragraph 3-11.

(3) Black VF Patch Bays. Bays 1.2, 1.3, 1.4, 1.6

cross connect matrixes. The four IDF bays are all

and 1.7 are the VF patch bays. Each of these bays con-

numbered 2.21. Row No. 2 is called the red equipment

tains eight 2-wire audio patch panels and an interbay

row, because the circuits may carry secure information

in clear test. Bays 2.1 through 2.20 are described in (2)

(INT) patch panel. Bay 2.1 has a R-390 radio receiver

in the bay below the patch panels. Bays 1.3 and 1.7

through (6) below.

(2) Special Intelligence Bay 2.1. SI bay 2.1 is

each have a 60 station voice order wire panel, that are

furnished and maintained by the telephone company.

isolated from the rest of the TCF. The bay contains a

Bays 1.4 and 1.6 have dual speaker panels and

color video monitor at the top with eight video

AM-911/FG audio frequency amplifiers mounted

distribution amplifiers, and three 75 ohm patch

below the patch panels.

panels. Between the monitor and amplifiers there are

(4) Black VF Test Bay 1.5. This bay contains vari-

two universal dc patch panels (digital patch panels)

and three 2-wire audio patch panels (VF patch panels).

ous test equipment. There is a writing shelf with a mis-

The bay also has its own IDF consisting of two rows of

cellaneous (MISC) and INT panel above the shelf. In

patch cord cross connect matrixes.

addition there are two test equipment connection

(3) Red Digital Patch Bays (fig. 3-1). The red

panels. Test equipment without rear test lead con-

digital patch bays are bay 2.3 through 2.6, 2.8 through

nectors are connected to the MISC panel through the

2.11 and 2.13 through 2.16. Each of these bays has a

test equipment connection panels.

(5) Video Monitor and Station Clock Bays 1.8 and

15 vdc meter mounted in a panel at the top of the

bay. Below the meter panel there are six digital patch

1.9. Bay 1.8 has two video monitors at the top, used to

panels and a INT panel with 48 lamps. Bays 2.11, 2.13

monitor the TCF door and outside hall. A panel with a

and 2.14 each contain a writing shelf used to mount

push-button switch for unlocking the door is below the

AN/FGC-80 teletypewriter sets. Each bay has blank

monitors. There are five TWINAX wide band patch

panels below the patch panel. The blank panels may be

panels in the bay. The remainder of the bay is used to

removed to allow installation of equipment as re-

mount test equipment. Bay 1.9 is a TDS-2 Station

quired.

Clock Bay.

(4) Red Digital Test Bays (fig. 3-2). Bays 2.2, 2.7

(6) Black Digital Patch Bays. Bays 1.11, 1.12,

and 2.12 are the red digital test bays. Each of these

1.13, 1.15, 1.16, 1.17, 1.19, 1.20 and 1.21 are the

test bays is used to mount test and monitor equipment.

black digital patch bays. Each bay has a 15 vdc

In addition there is an INT panel with 48 lamps and a

meter mounted in the panel at the top. There are six

writing shelf in each bay.

universal dc patch panels and a INT panel with 48

3-7