Description of the TCF-CONT.

TM 11-5895-1012-10

five receive patch panels.

Test Set TTS-26BDR is mounted in the bay below the

display unit. Bay 1.02 also contains six 2-wire audio

(4) Low Level Test Bay 2.12 and DC Orderwire

patch panels and a speaker panel. Bay 1.04 is the cable

Bay 2.13. Test bay 2.12 is shown with a digital

test bay, containing the No. 2 UTMS remote digital

multimeter and AN/GGM-15(V) Telegraph Test Set

display, a HP-180 AR/TDR

, a HP-4800

installed. (These equipments may be changed as re-

vector impedance meter, a speaker panel, and vf order-

quired). Below the test equipment area there is a 48

wire equipment. Bay 1.06 has the No. 3 UTMS remote

lamp INT panel, MISC panel, and a writing shelf. The

digital display at the top. This bay also contains six 2-

low level 6 volt power supplies, fuse panels and

wire audio patch pan&and a speaker panel. Bay 1.07

alarm panel are in the bay below the writing shelf. Bay

contains four 2-wire audio patch panels and a

2.13 is an AN/UGC-61X dc orderwire teletypewriter

SB-1642 top resistance panel. The portion above the

set.

writing shelf of bay 1.08 is blank for future use as re-

h. Row 3 contains the following equipment:

quired. There is a SB-1642 loop resistance panel below

(1) Universal conditioning Equipment Bays. All

the writing shelf.

the bays in row 3 except bay 3.04, 3.08 and 3.09 are

(2) High Level DC Patch Bays 1.09 and 1.10. Each

universal conditioning equipment bays. Intermediate

of these bays contain a 48 lamp interbay panel, MISC

distribution frames (IDF) are mounted at the top of

panel, writing shelf, a loop resistance panel, and have

these bays. Below the IDF's are fuse-alarm panels.

ac power outlets at the bottom. Bay 1.09 also contains

Each bay contains ten universal conditioning equip

a dc meter panel and four dc patch panels. In addition

ment shelves, each shelf containing 12 module slots.

Bay 1.10 contains a digital multimeter, two dc patch

Conditioning equipment modules are inserted into the

panels and Telegraph Test Set AN/GGM-15(V).

shelves as required to build circuits through the tech-

(3) Fuse and Alarm Bay 1.11 and Orderwire Bay

nical control facility.

1.12. Ray contains two major/minor alarm panels, a

(2) DLIU Bays. Bays 3.08 and 3.09 contain the

major alarm panel, three SB-1523/FT fuse panels,

digital line interface units (DLIU). Each bay contains

10 shelves, each shelf capable of containing six

three loop resistance panels, and ac outlets at the bot-

tom of the bay. Bay 1.12 is an AN/UGC-61X dc order-

DLIU's. A fuse/alarm panel is mounted above the

wire teletypewriter set.

shelves with an IDF at the top of each bay.

g. Row 2 contains the following equipment:

(3) Non-Universal Bay 3.04. At the top of the bay

there is a UTMS remote digital display, a MISC panel

(1) Equal Level Patch Bays 2.01 Through 2.06.

and a 4-way-4-wire bridge shelf. A 25 Hz ringing sup

Each equal level patch bay contains space for eight 2-

ply system consisting of ballast lamp panel, 20 Hz

wire audio patch panels, INT panel, MISC panel, writ-

alarm and monitor panel, and two 25 Hz ring genera-

ing shelf, and a dual ac power outlet. Bays 2.02 and

2.06 have only six audio patch panels installed. Bay

tors are mounted in the center of the bay. At the bot-

tom of the bay there is a station reference tone source

2.04 is blank above and below the INT panel, MISC

(TTS-39A) and four distribution amplifier panels

panel, and writing shelf. Bays 2.02 and 2.05 each have

a remote digital display at the top of the bay and a

(TTS-39D).

i. The combined distribution frame (CDF) in row 4

dual speaker panel below the writing shelves.

is constructed of open metal framework. One side of

(2) Quality Assurance Bays 2.07, 2.08 and 2.09.

the frame, known as the horizontal side, contains 30

These three bays each contain an INT panel, MISC

rows of 10 horizontal terminal blocks. The other side

panel, writing shelf, and dual ac power outlets. A base-

of the frame, known as the vertical side, contains 31

band monitor panel and two echo suppressor control

columns of 9 vertical blocks per column. The first

panels are mounted near the center of bay 2.07. The

seven columns contain 750 four wire, line protector

TTI-1140 Universal Transmission Measuring System

blocks.

(UTMS) master unit and power supply, along with the

j . Row 5 contains the following equipment:

No. 7 remote digital display are mounted in bay 2.08.

(1) Mobile Test Buy 5.01. This bay is mounted on

The UTMS associated relay panel, and a dual speaker

dolly type wheels to allow it to be moved throughout

panel are in the bottom of bay 2.09. The remaining

the TCF as required. The bay contains a INT/MISC

space in the bays is provided for mounting test

panel, a storage drawer, and an ac power connector.

equipment. The test equipment may be rearranged or

The mobile bay provides rack space for the mounting

replaced as required by test requirements or change in

of such test equipment as a digital multimeter, trans-

the state of the art.

mission measuring set, envelope delay test set and X-Y

(3) Low Level DC Patch Bays 2.10 and 2.11. Each

recorder.

patch bay has a low level voltmeter mounted above it

(2) Voice Frequency Carrier Telegraph Bays 5.02

and has a 48 lamp INT panel, a MISC panel and writ-

Through 5.05. Each of the four voice frequency carrier

ing shelf mounted below the jackfields. Bay 2.10 con-

telegraph (VFCT) bays is a Telegraph Terminal

tains five transmit patch panels and bay 2.11 contains

3-5