Additional Equipment Required - TM-11-6625-409-120010

TM 11-6625-409-12

f. Cable No. 5. Cable No. 5 is a 6-inch coaxial

390E-2 of the AN/ARC-73 or AN/ARC-73A being tested.

Depending on the test to be per-formed (para 2-6), cable

cable that is used to connect the MX-3736/ARM-45RF

No. 1 may be connected to the MX-3736/ARM-45 at

INPUT connector to the RF OUTPUT connector when

either test cable receptacle J101-7A or J103-7A.

performing operational checks on the 17L-7A and 51X-

b. Cable No. 1 A. Cable No. 1A is a 7-foot 6-inch,

2B (fig. 2-6). Each end of the cable assembly is

22-conductor cable assembly that is similar to cable No.

equipped with coaxial connectors. Cable No. 5 may

1 in appearance and use (a above), except that during

also be used to connect the MX-3736/ARM-45 to a

operational testing, cable No. 1A may be connected to

signal generator (such as the AN/USM-44) or to a very

the MX-3736/ARM-45 at either test cable receptacle

high-frequency (vhf) antenna.

J102-7A or J104-7A.

c. Cable No. 2. Cable No. 2 is a 7-foot, 6-inch 48-

1-15.

Additional Equipment Required

conductor cable assembly that is used to connect the

MX-3736/ARM-45 to either the 51X-2B or to the

The following equipment is not supplied as a part of the

51X.2Bsection in Dual Shockmount 390E-2 of the

test set, but is required for use with it.

AN/ARC-73 or AN/ARC-73A. Depending on the test to

be performed (para 2-6), cable No. 2 may be connected

a. Dc Power Supply, 27.5 Volts. A 27.5-volt dc

to the MX-3736/ARM-45 at either test cable receptacle

power supply is required to furnish a maximum of 1.5

J105-2B or J106-2B.

amperes for primary power to the MX-3736/ARM-45.

d. Cable No. 3. Cable No. 3 is a 7-foot, 31/2-inch,

b. Ac Power Supply, 115 Volts. A 115-volt, 400

four-conductor cable assembly that is used to connect

cps, single-phase ac power supply is required to furnish

the MX-3736/ARM-45 to an external 27.5-volt dc, or 115-

a minimum of 2 amperes to the MX-3736/ARM-45 when

volt, 400-cycle per second (cps) alternating current (ac)

the AN/ARC-73 or AN/ARC-73A to be tested is equipped

power source. A plug on one end of cable No. 3

with ac power supply modules.

connects to the MX-3736/ARM-45 at test cable

c. Microphone.

aircraft-type,

carbon

receptacle J107; the opposite end of cable No. 3 is

microphone is required to key and modulate the 17L-7A

equipped with four spring clips to facilitate connection to

being tested.

the external power source.

d. Headset. A headset (Headset HS-23, Headset

e. Cable No. 4. Cable No. 4 is a 7-foot, 6-inch,

HS-33, or equivalent) is required to monitor 51X-2B

coaxial cable that is used to connect the MX-3736/ARM-

output and 17L-7A sidetone during testing.

45 to an external dummy load, wattmeter, or antenna.

e. Wattmeter AN/URM-43. Wattmeter AN/URM-

The coaxial connector on one end of cable No. 4

43A is required when the test set is to be used during

connects to the MX3736/ARM-45 at test cable receptacle

prolonged or extensive test procedures. The AN/URM-

J109; the coaxial connector on the opposite end of cable

43 may be used in-stead of the meter located on the

No. 4 connects to the coaxial connector on the external

front panel of the MX-3736/ARM-45 to provide a more

dummy load, wattmeter, or antenna.

accurate means of measuring rf power output.

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