TM 11-6625-2398-15-2
2-3. Installation and Connections
a. Installation. The test facilities set is used in
CAUTION
conjunction with a fully operational IFF set and external
Before applying primary power to the
test equipment in the test-bench maintenance of IFF set
interface adapter unit make certain
components returned from using organizations. Since
round lug on rear of housing is
the test facilities set primarily contains special purpose
connected to a suitable system
test accessories, only those components and cables of
ground.
the test facilities set pertinent to the particular
b. Connections. As noted in a above, only those of
maintenance to be performed need be installed at any
the test facilities set required for a particular
one time. In general, when bench testing of the IFF set
maintenance operation need be connected at any one
or its major components is to be performed, sufficient
time. If extended and/or extensive use of the test
space must be provided on or near the test bench to
facilities set is anticipated, it may be desirable to set up a
accommodate components of the test facilities set, the
basic test station. When connections are made as
external test equipment, the IFF set group case, any
indicated in the following chart, a basic test station for
components of the IFF set removed from the group
IFF set system testing results. This station may be
case, and all required interconnecting cables. The
expanded upon, using the information contained in
antenna pedestal mount must be permanently mounted
to rigid surface capable of supporting the IFF set
and its major components, to obtain the r connections for
antenna pedestal and the antenna inertial load. The
particular maintenance procedures figure 2-2 shows the
antenna inertial load may be assembled by attaching the
test facilities set connected in a typical test-bed
dummy loads and rings to the base assembly (fig. 1-9).
configuration the IFF set. The following chart lists cables
CAUTION
test facilities set and their usage:
When cables 1A3W2 and 1A3W3 are
connected to the IFF set, be careful of
that the cable dust covers do not fall
into units that are extended, or
damage to the IFF set may result.
Connects
Quantity
Cable
Length
From--
To--
(ft)
1
1A2W1
10
1A1A1J19 of interface adapter unit.
115 VAC, 60-Hz power.
1
1A2W2
10
1A1A1J14 of interface adapter unit.
115 VAC, 400-Hz power.
1
1A2W3
6
1A1A1J11 of interface adapter unit.
1A5J11 of coder-decoder.
1
1A2W4/1A2W5
2
3A2J1 of antenna pedestal.
Antenna RF load
1
1A2W4/1A2W5
2
3A2J2 of antenna pedestal.
Antenna RF load
1
1A2W6/1A2W7
20
3A2J2 of receiver-transmitter.
3A2J4 of antenna pedestal.
1
1A2W6/1A2W7
20
3A2J3 of receiver-transmitter.
3A2J3 of antenna pedestal.
1
1A2W8
6
1A1A1J10 of interface adapter unit.
1A5J14 of coder-decoder.
1A2W9/1A2W10
6
1AlAIJ18 of interface adapter unit.
5J1 of control box or 6J2 of control
panel.
1
1A2W9/1A2W10
6
1A1A1J19 of interface adapter unit.
1A5J13 of coder-decoder.
1
1A2W11
3
5J2 of control box
8J1 of alarm monitor
1
1A2W12
8
1A5XA4P1 of coder-decoder.
P2 of AN/APM-245
1
1A3W1
10
1A1A1J13 of interface adapter unit.
2J1 of receiver-transmitter.
1
1A3W2
6
1A5P2 of coder-decoder.
1A1J2 of synchronizer.
1
1A3W3
6
1A5P3 of coder-decoder.
1A1J3 of synchronizer
1
1A3W4
6
1A5P6 of coder-decoder.
1A3J1 of processor.
1
1A3W5
6
1A5P7 of coder-decoder.
1A4J2 of processor
1
1A4W1
6
1A1A1J16 of interface adapter unit.
1ASJ12 of coder-decoder.
1
1A4W2
6
1A1A1J21 of interface adapter unit.
1A5J10 of coder-decoder.
1
1A4W3
6
1A1A1J17 of interface adapter unit.
1A5J15 of coder-decoder.
1
1A4W4
6
1A5P4 of coder-decoder.
1A2J4 of antenna control.
1A4W5
1A5P5 of coder-decoder.
1A2J3 of antenna control.
8
1A4W6 through
6
1A1A1J1 through 1A1A1J8 of interface
1A5J2 through 1A5J9 of coder-
1A4W13
adapter unit
decoder, respectively
1
1A4W14
3
1A1A1J20 of interface adapter unit
7J3 of control panel
1
1A4W15
2
3A2J6 of antenna pedestal.
3A2J1 of antenna pedestal.
1
1A4W16
8
IFF trigger generator
1A5J1 of coder-decoder.
1
1A5W1
24
1A1A1J12 of interface adapter unit.
3A2J5 of antenna pedestal.
Change 1 2-3
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