Description of the TCF - TM-11-5895-1012-100064

TM 11-5895-1012-10

phase, at 50 Hz.

tioning, monitoring, and testing of voice frequency

h. Dc Power Supplies.

and direct current communications circuits and sig-

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ea

nals.

+120vdc . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 ea

b. The TCF performs the Defense Communications

6 0 v d c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ea

System (DCS) Technical Control mission for the super-

6vdc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ea

vision and control of the transmission media at the

Berlin Radio Station. This site is a radio nodal point

3-6. Description of the TCF

`(fig. FO-8) in the European Wideband Communication

(Fig. FO-9)

System (EWCS) serving a microwave link to Tempel-

a The TCF is housed in a building connected to the

hof (TPF) and a French and British link. A tropospher-

Berlin Tropo/Microwave Site. Four rooms are within

ic link to Bocksburg (BBG) and a satellite link to Land-

the building, air conditioning plant room, office, main-

stuhl (LDL). In addition, the site providers cable links

tenance room, and the technical control room.

to local vf and dc subscribers.

b. The technical control room has four bay areas.

3-5.

(1) Operation area, consisting of rows 1 and 2

along with the supervisor's console and AN/UGC-54

The technical characteristics of the TCF and related

teletypewriter.

equipment are listed below. Detailed technical charac-

(2) Conditioning and interface area, which is row

teristics of the individual components that are in-

cluded in the TCF are listed in the appropriate tech-

(3) Combined Distribution Frame (CDF).

nical manuals.

(4) Voice frequency circuit telegraph and power

a. VF Patching Facilities.

bays in row 5.

Equal Level Jack Appearances (2 wire) . . .864 ea

c. The technical control and maintenance rooms are

Primary Jack Appearances (2 wire) . . . . . . 960 ea

illuminated by rows of ceiling mounted fluorescent

Nominal Signal Leave (E.L. Patch Bays) . . 0 dbm

lamps. Emergency lights (battery powered) are mount-

Nominal Impedance.. . . . . . . . . . . . . . 600 ohms

ed on the right wall as you enter the building. The ac

b. VF Conditioning and Interface Equipment.

Echo Suppressor. . . . . . . . . . . ...:. . . . . . 36 ea

input power distribution panel along with the tech-

Strappable Pads . . . . . . . . . . . . . . . . . . . . . .72 ea

nical and non-technical power distribution panels are

4W Term Set . . . . . . . . . . . . . . . . . . . . . . . .31 ea

mounted on the opposite wall.

d. The floor in the technical control and mainte-

Amplitude Equalizer . . . . . . . . . . . . . . . . . .56 ea

Line Amplifier . . . . . . . . . . . . . . . . . . . . . .218 ea

nance rooms raised and consists of a metal frame

4 Way - 4W Bridge . . . . . . . . . . . . . . . . . . . .2 ea

supporting tile covered wooden squares. All cabling

6 Way - 4W Bridge . . . . . . . . . . . . . . . . . . . . .2 ea

and wiring between bays, CDF and ground box are

Envelope Delay Equalizer . . . . . . . . . . . . . .12 ea

below the raised floor.

C. Signal Conditioning Equipment Quantities.

e. A description of the supervisor's console is as fol-

Test Tone Sources . . . . . . . . . . . . . . . . . . . .20 ea

lows:

(1) The supervisor's console is located at the ends

Ringdown Converter E&M to 25Hz/dc to 25 Hz

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 ea

of equipment rows 1 and 2, and in front of the DCA,

Pulse Link Repeater. . . . . . . . . . . . . . . . ..100 ea

reporting orderwire teletypewriter. This allows easy

25 Hz Ringing Supply . . . . . . . . . . . . . . . . . . 1 set

access to all dc orderwire machines. (One at the end of

Signal Supply Unit (2600 Hz) . . . . . . . . . . . .2 ea

each equipment row).

Signal Supply Unit (1600 Hz) . . . . . . . . . . . .2 ea

(2) The console consists of two cabinets with a

Single Freq. Signal Unit-2600 Hz . . . . . .108 ea

writing shelf between the cabinets. The left band cab-

Single Freq. Signaling Unit-1600 Hz. . . . . 10 ea

inet contains storage drawers, ac power outlets at the

d. Orderwire Capability.

bottom, and a power monitor panel at the top. The

Voice Orderwire Units . . . . . . . . . . . . . . . . . .6 ea

power monitor panel contains an ac voltmeter, fre-

DTMF Access Units . . . . . . . . . . . . . . . . . . . .3 ea

quency meter, and a dc voltmeter.

Dc Orderwire Terminals . . . . . . . . . . . . . . . .6 ea

Row 1 contains the following equipment:

e. DC Patching Facilities.

Dc Low Level Jack Appearances (Full

Duplex) . . . . . . . . . . . . . . . . . . . . . . . . . .120 ea

DC High Level Jack Appearances (Full

Duplex) . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 ea

Dc Lane Conditioning Equipment.

wire audio patch panels. Bay 1.02 has the No. 1 Uni-

Digital Line Interface Unite (Full Duplex). .95 ea

versal Transmission Measuring System (UTMS) re-

AC Power Requirements. 108/120 vac, three

mote digital display unit at the top. Plus Signaling

3-4