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NAVSHIPS 9rO47 Section 1
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Figure l -5. Jqck Pqnel AN Type J-238/G, Fronf View
Wifh One Jcrck Box Novy Type -491729 Removed
is arl RF coaxial b'pe fitting which pr:ovides coupling
between the incorning RG-85 /V antenrla coaxial cable
and the internal cabinet wiring (RG-I2 /U cable). All
metal parts are cadmium plated brass. Gaskets are
provided to keep the cables water tight at the fitting.
Navy Typ" -49190 Connectors are used to connect the
IiG-I2,'U internal cables to the Navy Typ" -49191
receptacles on the output end of the Connector-Adapters.
See figure 2-3 for an exploded view of the Connector-,\dapter.
(4) JACK PANEL AN TYPE I-238/'G ( F'isure
1-5).-l*"k Panel AN Typ" I-238/G is a size C panel
which mounts on the front of the cabinet. It contains6l
eleven jack boxes, Nar,'y Typ" CIA-29L729, in each of
which a cable from one Connector-Adapter Navy Typr;
CIA-49L652 terminates
(u) IACK BoX NAVY TYPE CIA-49L729
(F'i.gr,tre 1-6).-The front, or panel end of the jack
box contains four receptacles Navv Typ" -49L20 which
mate with Navy Typ" -49I2IA patchcord plugs. The
rear end contains three receptacles Navy Type -49194
which mate rn'ith Navy Typ" -49190 connectors. All
receptac]es are connected in parallel internally (see
figure I-6). The incomitrg antenna signal is applied
to the lower receptacle on the rear of each jack boxf
the center receptacle distributes this signal to Jack
Panel AN Typ* I-239/C; and the upper rear receptacle
connects to the RF Antenna Selector Switch on Switch
PaneX AN Typ" SA-f37 /C. The four receptacles Navy
Typ. -49L20 on the front of each ]ack Box provide
poir"n , for rnaking parallel connections by means of RF
patchcords"
Figure i' ,:,. Jqck Box Novy Type CIA-491729, Pqrt
of .i -2,33 / G lsometric View With Cover Removed ,
ORECII i,E L
*
-o-
RESTRICTED
RECEPTACLE
NAVY TYPE
- 49194
RECEPTAGLE
NAVY TYPE
- 49120