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TM 11-5895-878-14&P
Ckt No.
Amperes
Phase
Equipment
6
15
Spare.
7
15
X
Station clock plug strip, bay 1.9.
8
15
Y
Vf test plug strip, bay 1.5.
9
15
Z
Video monitor plug strip, bay 1.8.
10
15
X
6V power supply plug strip, bay 1.17.
11
30
Y
48V power supply No. 1, bay 1.11.
12
30
Z
48V power supply No. 2, bay 1.11.
13
15
X
24V power supply No. 1, bay 1.16.
14
15
Y
24V power supply No. 2, bay 1.16.
15
15
Z
Digital test plug strip, bay 1.14.
16
15
X
Digital test plug strip, bay 1.18.
17
15
Y
Plug strip, bay 1.3, 1.7, 1.11, 1.19 and 1.21.
18
15
Z
Plug strip, bay 1.2, 1.4, 1.6, 1.12, 1.16, and 1.20.
19
15
X
MOLINK Convenience outlet and plug strip, bay 1.24.
20
15
Y
MOLINK Convenience outlet and plug strip, bay 1.25.
21
15
Z
Plug strip, bay 1.13.
22
20
X
Plug strip, bay 1.15.
23
15
Y
DCL Convenience outlet and plug strip, bay 1.22.
24
20
Z
DCL Convenience outlet and plug strip, bay 1.23.
25
20
X
TAR-SAC-COM printer door lock & PTC FM tuner.
26
15
Y
8.5 corridor ac circuit.
27
15
Z
8.5 corridor ac circuit.
28
15
X
Door buzzer.
29
15
Y
Typewriter floor outlet.
30-40
Spare.
2-19. DC Power Systems
Ckt NO.
Equipment
8
Digital patch bay 1.12.
9
Digital patch bay 1.13.
a. General. The P&T has six DC power systems.
10
Digital patch bay 1.14.
Three systems are in the black equipment row (No. 1),
11
Digital patch bay 1.15
the other three systems are in the red equipment row
12
Digital patch bay 1.16.
(No. 2). The systems provide -48 vdc (b below), 24 vdc
13
Digital patch bay 1.17.
(c below) and 6 vdc (d below).
14
Digital patch bay 1.18.
15
Digital patch bay 1.19.
b. -48 VDC Power Systems. The items that make
16
Digital patch bay 1.20.
up the black power systems are mounted in bay 1.11
(2) -48 VDC Red Power Distribution.  Upon
(fig. 1-4). The items in the red power system are in bay
installation of the P&T the red 48 vdc distribution panel
2.17 (fig. 1-13). As shown in. figure 2-44A, there are
(fig. 1-13) provides 20 outputs fused with two ampere
two power supplies that are parallel connected through
fuses. The distribution is as follows:
an alarm panel. The power supplies are powered by
120 vac (para 2-17).  Each power supply's voltage
Ckt NO.
Equipment
output and current drain is indicated on meters that are
1
S I patch bay 2.1.
2
Digital test bay 2.2.
on the front of each supply. The dc negative output of
3
Digital patch bay 2.3.
each power supply is fed through an isolation diode in
4
Digital patch bay 2.4.
the alarm panel and then to a fused distribution panel
5
Digital patch bay 2.5.
((1) and (2) below). The alarm panel also provides a
6
Digital patch bay 2.6.
failure alarm output for each power supply to the
7
Digital patch bay 2.7.
associated (black or red) alarm system (para 2-19).
8
Digital patch bay 2.8.
9
Digital patch bay 2.9.
(1) -48 VDC Black Power Distribution. Upon
10
Digital patch bay 2.10.
installation of the P&T the black 48 vdc distribution
11
Digital patch bay 2.11.
panel (fig. 1-4) provided 17 outputs fused with two
12
Digital patch bay 2.12.
ampere fuses. The distribution is as follows:
13
Digital patch bay 2.13.
14
Digital patch bay 2.14.
15
Digital patch bay 2.15.
Ckt NO.
Equipment
16
Digital patch bay 2.16.
1
VF patch bay 1.2.
17
Power bay 2.17.
2
VF patch bay 1.3.
18
Video monitor bay 2.18.
3
VF patch bay 1.4.
19
VF patch bay 2.19.
4
VF patch bay 1.5.
20
VF test bay 2.20.
5
VF patch bay 1.6.
6
VF patch bay 1.7.
7
Digital patch bay 1.11.
2-58

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