TM 11-6625-648-12
Bridge measurement:
Order wire:
Range (distance to
62 ohms.
open or short) . . . . . . . . . . . 0 to 5,000 ft.
(input or output) . . . . . . . . .
Size . . . . . . . . . . . . . . . . . . . . . . 14 in. wide by 8 in. high
300 to 1,700 cps.
1,600 cps.
by 11 in. deep.
Weight . . . . . . . . . . . . . . . . . . 23 lbs.
More than 3.0 volts rms.
Transmit level, . . . . . . . . . . . .
Receive level . . . . . . . . . . . . . .
50 to 270 mv.
Operating temperature . . . . . . 20 to 125 F.
Storage temperature . . . . . . . . 65 to 155o F.
-7.5 Vdc and 14.5 vdc.
Voltage requirements . . . . . . .
8 hours continuous including
Battery operating life. . . . . . . .
Operating altitude . . . . . . . . . . 10,000 ft maximum.
3 hours full current.
Air cargo altitude . . . . . . . . . . 50,000 ft maximum.
1-6. Items Comprising an Operable Equipment
Fig.
NSN
Nomenclature, part No., and mfr code
No.
Qty
NOTE
The part number is followed by the applicable 5-digit Federal supply code for manufacturers
(FSCM) identified in SB 708-42 and used to identify manufacturer, distributor, or Government
agency, etc.
NOTE
Dry batteries shown are used with the equipment but are not considered part of the equipment.
They will not be preshipped automatically but are to be requisitioned in quantities necessary for
the particular organization in accordance with SB 11-6.
Test Set, Telephone AN/PTM-7: 80058
which includes:
Lead, Test CX-10354/PTM-7 (3 ft 0 in.): SM-C-528076, 80063
Headset H-91 AU: 81349
Lead, Test CX-10355/PTM-7 (3 ft 0 in.): SM-C-528074, 80063
1
Simplified Instruction Cards: SM-D-528098, 80063
Test Set, Telephone TS-1323/PTM-7: SM-E-528001, 80063
The pcm probe is used to detect the presence of pcm
1-7. Description
signals in a TD-206/G. The order-wire probes permit
a. The AN/PTM-7 (fig. 1-1) is a
transistorized, bat-
tery-operated hand-portable test equipment containing
connection of the TS-1323/PTM-7 into a cable link
without interrupting traffic. The H-91A/U is used by
facilities for testing the CX-4245/G and the
the lineman to communicate over the order-wire cir-
TD-206/G. Test Set, Telephone TS-1323/PTM-7, the
cuits with the attended stations.
major component of the AN/PTM-7, is enclosed in an
aluminum case. When the cover of the case is in place,
1-8. Additional Equipment Required
the TS-1323/PTM-7 is watertight and floatable. When
a. Batteries. Eight Batteries, Dry BA-30.
the cover is removed for operation, the chassis remains
b. Grounding Rod. Grounding Rod MX-148/G and
rainproof.
sufficient field wire, a grounding strap, or cable to con-
b. Connectors, controls, and indicators required for
nect the MX-148/G to the TS-1323/PTM-7 EARTH
operation are all mounted on the TS-1323/PTM-7
GRD terminal.
front panel. The panel is divided into sections which are
c. Cable Adapter. Adapter, Cable Assembly
outlined for ease of location and operation of controls,
CX-10734/G is required when connecting the
indicators, and connectors required.
C X - 1 1 2 3 0 / G to the TS-1323/PTM-7. The
c. The accessory box in the case cover contains a
CX-10734/G is also required when connecting the
Headset--Microphone H-91A/U, a Test Lead
TS-1323/PTM-7 to the TD-206/G with the 7A4 end
CX-10355/PTM-7 (pcm probe), two Test Leads
cap and to the TD-206B/G. Four CX-10734/G adapt-
CX-10354/PTM-7 (order-wire probes) a carrying
ers are required.
sling, and a set of simplified instructional diagrams.
1-2
Change 4