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Digital Line Interface Unit (DLIU)
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TM-11-5895-1012-10 Technical Control Facility (General) Manual
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Section I. PIRMASENS
TM 11-5895-1012-10
EXAMPLES OF OPERATIONAL TCF'S
Section I. PIRMASENS
3-1. Function
25 Hz Ringing Supply.. . . . .. . . . . . . . . . . .1 set
Signal Supply Unit (2600 Hz) . . . . . . . . . . . . lea
a The Pirmasens TCF is a fixed station technical
Signal Supply Unit (1600 Hz) . . . . c.. . . . .. lea
control facility containing equipment that provides
Single Frequency Signaling-2600 Hz. . . . .75 ea
termination, interconnection, patching, interfacing,
Single Frequency Signaling Unit-16 Hz
conditioning, monitoring, and testing of voice fre-
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 ea
quency (vf) and direct current (dc) communications cir-
cuits and signals.
d. DC Patching Facilities.
b. The TCF performs the DCS Technical Control
DC (Equal Level) Jack Appearances (Full duplex).
mission for the supervision and control of the trans-
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 864 ea
mission media at the Pirmasens Radio Station. This
DC W/Cut Key (Equal Level) Jack Appearances
site is a radio nodal point (fig. FO-6) in the European
(Full duplex) . . . . . . . . . . . . . . . . . . . . . .144 ea
Wideband Communication system (EWCS) serving
Dc Primary (Cable) Jack Appearances (Full du-
microwave links to Langerkopf (LKF), Zweibrucken
plex . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480 ea
e. DC Line Conditioning Equipment.
(ZBN), and Donnersberg (DON). In addition, the site
provides cable links to local vf and dc subscribers.
Digital Line Interface Units (Full Duplex Shelf
Space). . . . . . . . . . . . . . . .  . . . . . . . . . .540 ea
3-2. Technical Characteristics
f. Orderwire Capability.
Voice Orderwire Circuits.. . . . . . . . . . . . .20 ea
equipment are listed below. Detailed technical charac-
Dc Orderwire Terminals . . . . . . . . . . . . . . . 24 ea
teristics of the individual components that are in-
AC Power Requirements. 208/120 VAC and
cluded in the TCF are listed in the appropriate tech-
380/220 VAC at 50 Hz.
A. DC Power Supplies.
nical manual.
a VF Patching Facilities.
-48 VDC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ea
-24 VDC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ea
Equal Level Jack Appearances (Full duplex)
+130 VDC . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ea
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800 ea
-60 VDC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ea
6/Wire Primary (cable) Jack Appearances . 96 ea
+60 VDC . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ea
4/Wire Primary (Cable) Jack Appearances (Full
6 VDC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ea
duplex) . . . . . . . . . . . . . . . . . . . . . . . . . . 720 ea
2/Wire Primary (Cable) Jack Appearances (In
3-3. Description of the TCF
Bays 1.16, 1.17, 1.18)`. . . . . . . . . . . . . .720 ea
in a common building with multi-
Nominal Signal Level.. . . . . . . . . . . . . . . .0 dbm
plex voice frequency carrier telegraph (VFCT) equip-
Nominal Impedance . . . . . . . . . . . . . . . 600 ohms
ment, and microwave equipment at the Pirmasens
b. VF Conditioning and Interface Equipment.
radio station, Germany. The TCF is housed in several
. . . . . . . . . ..<......... 1320 ea
rooms as shown in figure FO-8. The site is situated in
l . . . . . . . . . . . . 200 ea
three major areas; the dc and primary vf patch or test
. . . . . . . . . . . . . . 40 ea
facility (Room 9), the vf equal level patch and test
facilities (Room 12), and the line conditioning facilities
(Room 8).
a Description of Equipment  w No. 1. Row 1 con-
ties as well as the
tains vf and dc patch and
alarm and fuse bays for the

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