TM 11-6625-441-12
Dimensions . . . . . . . . . . . . 16 inches long 7
b. Use. Test Set, Radio TS-1588(*)/AIC is used to
inches deep 10 inches
bench test Control, Intercommunications Set
wide
C-1611D/AIC. The TS-1588(*)/AIC connects a
b. Electrical
power supply, a headset-microphone, an audio
Power requirements:
oscillator, an output meter, and a multimeter to
Static . . . . . . . . . . . . . ..28 vdc, 0.05 ampere
the equipment under test and permits visual and
(1.4 watts)
aural monitoring of the interphone transmitting
Under test . . . . . . . . . . .28 vdc. 0.5 ampere
and receiving circuits of the C-1611D/AIC. Also
(14 watts)
included are built-in facilities for self-testing
Headset-microphone input impedance:
internal circuits of the TS-1588(*)/AIC.
Microphone input
1-9. Description
impedance . . . . . . ..8 ohms
Headset output
impedance . . . . . . . ..8 ohms
1-1 and 1-2) is enclosed in a rectangular metal case
Audio oscillator input impedance:
that has a removable hinged cover. The cover is
Receive circuits
secured to the case with fasteners on the front and
input impedance .. 75 ohms
sides of the case. A handle attached to the case
Transmit circuits
enables the operator to hand-carry the interphone
input impedance .. 5,000 ohms
test set to the test area. All connectors and
Output meter input
operating controls are on the front panel.
impedance . . . . . . . . ...150 ohms
b. A storage compartment on the left side of the
interphone test set is used for storing the power
1-12. Items Comprising An Operable
and test cables. In addition to the cables, running
Equipment
spares are included in the storage compartment of
Test Set, Radio TS-1588(*)/AIC (NSN 6625-00-895-
the TS-1588*/AIC. The power cable consists of a
6646) and one set of running spares consisting of 12
two-conductor cable with insulated battery clips
spare 1-ampere fuses and 2 spare indicator lamps
connected to one end. The test cable is terminated
comprise an operable equipment.
in a 37-pin test cable plug. A hinged panel of the
cover is used to store maintenance manuals. In the
1-13. Additional Equipment Required
lower left section of the front panel is a 37-pin
The following equipment is not supplied as part of
self-test receptacle beneath a protective cover.
the interphone test set but is needed for use with it.
c. Four rotary selector switches are on the lower
a. Headset-Microphone. A headset-microphone
right section of the front panel. Three toggle
(Headset-Microphone H-101A/U or equivalent) is
switches, three indicator lights and two fusehold-
required to apply voice signals to, and monitor
ers are on the upper left section of the panel. Six
voice signals from, the interphone control under
binding posts (input test jacks) and a headset jack
tests. The headset-microphone is plugged into the
are on the lower left section of the panel.
HDST MIC jack on the interphone test set front
1-10. Differences Between Models
panel.
b. Audio Oscillator. An audio oscillator (Audio
The two basic configuration of Test Set, Radio
Oscillator TS-421A/U or equivalent) is required to
TS-1588(*)/AIC are identical except for the addi-
supply audio signals to the circuits of the inter-
tion of an EMER position on RECEIVER SEL
phone control. It is connected to the AUDIO OSC
switch and an ALTN position on TRANSMITTER
binding posts on the interphone test set front
SEL switch and accompanying circuitry installed
panel.
on Test Set, Radio TS-1588A/AIC. The EMER
c. Output Meter. An output meter (Output Meter
position of the RECEIVER SEL switch and the
TS-585A/U or equivalent) is required to monitor
ALTN position of TRANSMITTER SEL switch
the output audio signals from the circuits of the
provide test and check out capability for the
interphone control. It is connected to the OUTPUT
emergency receiver audio input circuitry and the
MTR binding posts on the interphone test set front
alternate transmitter number 1 audio output
panel.
circuitry respectively, of Control, Intercommuni-
cation Set C-1611D/AIC (interphone control).
timeter TS-505D/U or equivalent) is required to
1-11. Tabulated Data
measure the input voltage applied to the inter-
phone test set. It is connected to the +28V and
a. Physical
GND binding posts on the interphone test set front
Weight . . . . . . . . . . . . . . ..14 pounds
panel.
Change 1
