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2 Section Porogroph I h(3)(c) Figure 2-14. Top View Showing Alternqle Method of Mounting Terminql Boqrds conductor. These spades are then bent out to about 45o to further lessen the danger of short circtrits. The individual pairs are then laced together into convenient size cables and painted with fungicide varnish. i. EXTERNAL INTERCONNECTINC CABLES.- It is advisable to complete the internal cabinet wiring before installittg the external wirittg. (1) RF WIRING.-The receiver inptrt and miscellaneous apparatus jacks have been left blank in figure 2-9 as these connections vary with individual installations. Connections to the antenna input of the receivers are made with RG-12/U cable, and the connectors are installed ' the Signal Distribution Unit end of cables as sh \^/n in figure 2-8. See the applicable instruction book for the receivittg equipment for the type of plug to be installed on the other end of these cables. The cables are led throtrgh the regular RF cableways in the "Q" flooring or equivalent of the station to the proper receivittg equipment (see figure 2-L for a description of the "Q" flooring). The cables must be clamped with the clamps provided inside the Signal Distribution Unit in the same manner as the internal cables illtrstrated in figure 2-9. Keep in mind that the bending radius of the RG-r2 /rJ cable must be not less than ten times the diameter of the cables. Refer to figures 2-37, 2-38, and 2-39 for the external connections to be made in a typical installation. NAVSHIPS 9rO47 INSTALI,\TIT: N ANI, s:r'-.tATloN (2) OPERATOR'S POSITION.- ,i ' .: standard operator's position consists of two ,,ji-i,l i'r's rnourrted so that they may be conveniently coir.ôilecl by c:e operator. A Control AN Typ" C-443/G is pro'-' ,:',1 for headphone outputs as part of the Signal Dist,.:':if - tion Unit to enable the operator to guard either: l':' " ceiver or, by operation of a knob, to guard botl, ,rt once. The function of this control is covered moro fully in par agraph 2, e of this section. The installit,g activity must mount this control on the operator's table. Alternate methods of mounting the control are shown on figures 2-31 through 2-<strong>36</strong>. The installirrg activitv must design and fabricate suitable mounting brackets for this purpose as none are provided by the contractor. Wiring of the control is shown on the interconnecting diagrams figures 2-37, 2-38, and 2-39; and the schematic figure 2-29. (3) EXTERNAL AF WIRING.-As explained above, two receiver output cables go into each Control AN Typ" C-443/G, while only one cable (TTRS-4) goes out. Thus there are approximately half as many receiver output cables which go into the AF cabinet as there are receivers. An undetermined number of AF cables go to the loads, the number being dependent upon the number of speakers, recorders, teletypes, etc. which are in the station allowance. The receiver output cables come in on the left hand side of the AF cabinet of the Signal Distribution Unit and the load cables go out the right hand side looking from the rear. Ctrt-outs for these cables are shown in figure 2-2. Remember that the AF cables are run in the AF cableways of the "Q" flooring or equivalent cable ducts. The receiver output cables come up the left hand side of the cabinet as explained above. There is not enough space for a single layer of cables, so they must be clamped in two banks. Arrange the layers so that the cables which connect to the highest terminal strips in the Cabinet are on the bottom layer. One set of clamps hold both lavers of cables. The load cables go out of the right hand side of the AF cabinet as explained above. They are stacked in layers and clamped in exactlv the same manner as the receiver output cables. Both the receiver output and the load cables are TTRS-4 cable. As shown in figures 2-10 and z-ll, the complete cable is brought in through the cut-out ir the floor and clamped. The outer plastic covering is cut off at about the level of the terminal board to whicli the conductors are to connect. The twisted pairs are then laced together and formed into a loop as shorn'n in figure 2-Ll which leads into the rear of the terminal boards. Connections are then made to the al,[)l'op ;tt€ terminals with spade lugs and Thc'mas ai rd Betts Grounding Ferrules #200-30006, as :'llc".vr, in figu:c 2-15. The groundittg braid is soldered i: the ,..'.lrirmon 2-1 4 RESTRICTED .3ttl-"ilNAl.
I'{STALII=TIT}N AND {)PEItA'i':*)\! NAVSHIPS 9rO47 Section 2 OUTER FERRULE I. SLIP BACK METAL SHIELD ABOUT I I/2 INCHES. SLIP PIECE OF I/4 INCH METAL BRAID THROUGH THOMAS & BETTS OUTER FERRULE *2O0-30006 AND SLIP FERRULE OVER BRAID OF TWISTED PAIR. SLIP INNER FERRULE OVER CONDUCTORS TWISTED PAIR SHIELDED CABLE NOTE: BRAID ON TTRS SHIELDED PAIRS MUST BE SPLIT TO PERMIT INNER FERRULE TO SLIP BETWEEN CONDUCTORS AND SHIELD. INNER FERRULE 2. PRESS INNER FERRULE INTO OUTER FER RULE USING THOMAS & BETTS WEDGE- ON PLIERS +2IOOO OR EQUIVALENT. THE BRAID WILL AUTOMATICALLY TRIM. SKIN CONDUCTORS AS SHOWN. 3. SLIP TT9 RADIO GRADE SPAGHETTI I INCH LONG OVER EACH CONDUCTOR AND CRIMP AND SOLDER ON SUITABLE SPADE LUG. CLIP SPADE LUG ON EACH END OF ONE CONDUCTOR TO INDICATE POLARITY. CUT GROUNDING BRAID TO 3 INCHES AND SOLDER TO GROUND BUS. SPAGHETTI DRILL BREAK SHARP CORNER BOTH ENDS DRILL CHAMFER TO SHARP EDGE AT HOLE OUTER (rt'roMAS GROUNDING FERRULE & BETTS {200-30006 ) t-ru4 iigule ?-15. Fqbricotion of Infernol AF Wiring Using Thomos qnd Betts Grounding Ferrules #200-30006 .1495 -t 4+ x 45o cHAMFER INNER GROUNDING FERRULE (l-rorr,tAs & BETrs *eoo-3ooo6 ) ORlGlYr'r,rl RESTRICTED 2-15
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NAYSHIPS 9T.O47 s {t INSTRUCTTON BS
Page 3 and 4: Effective Poges NAVSHTPS 9rO47 FRON
Page 5 and 6: Correction Poge NAVSHTPS 9rO47 FRON
Page 7 and 8: Contents NAVSHIPS 91047 FRONT MATTE
Page 9 and 10: lllustrotions qnd Tobles NAVSHTPS 9
Page 11 and 12: Miscellqneous Dotq NAVSHTPS 9rO47 R
Page 14 and 15: 1 Section NAVSHIPS 91047 t GENERAL
Page 16 and 17: 1 Section Porogroph I d NAVSHTPS 9r
Page 18 and 19: 1 Seclion Porogroph 3 q (l) compone
Page 20 and 21: 1 Section Porogroph 3 q (5) NAVSHTP
Page 22 and 23: 3q(7) NAVSHIPS 91047 GE \'ERAL DESC
Page 24 and 25: 1 Section Porogroph 3 q (lI) NAVSHI
Page 26 and 27: 1 Section Porogrcph 3 s (14) NAVSHI
Page 28 and 29: 1 Section Porogroph 3 q (18) Figure
Page 30 and 31: 1 Section Porogroph 4 NAVSHTPS 9rO4
Page 32 and 33: 1 Section Toble l-2 NAVSHIPS 9rO47
Page 34 and 35: 1 Section Tqble l-4 TABTE I.4. NAVS
Page 36 and 37: 1 Section Tqble l -6 TABTE I.6. NAV
Page 38: 1 Section Tqble l-7 NAVSHIPS 9rO47
Page 41 and 42: INSTAI:.A,"lOtt An\t" NAVSHIPS 9104
Page 43 and 44: lN$T'ALt ATION AND CPERA; 'N | , ,i
Page 45 and 46: :..:,., : iNSTALIAiION AND OPE:iA]
Page 47 and 48: iNSTAILATION AND NAVSHTPS 9rO47 Sec
Page 49 and 50: aNSTALId{TION AND c)FElr:r\1'1i1N N
Page 51 and 52: INSTAÎI,,f\TION AND OIIEfr ATI'.}N
Page 53: '{\t ';TJ\LI. ATION AND t )i'Eh, 'i
Page 57 and 58: lf$5TAl I ,*r li'lf,iFtl AND ,Jii[R
Page 59 and 60: !NSTA[!.A[IONI At"lD C}PERATiEF,I N
Page 61 and 62: INs TAI,i.ATIt'f.I AND CIPERATIC.f
Page 63 and 64: INSTAIIAI I'-,$ti jti{D OPERATIGT.'
Page 65 and 66: INSTAIuATIC,N Ah{t, OPERA.IQII{ iE,
Page 67 and 68: irugrA[[A?'.]l-l A r-fD OFtftATION
Page 69 and 70: { AND NAVSHTPS 9rO47 Section 2 Figu
Page 71 and 72: LAFI'iNr{ AND noN NAVSHIPS 91047 Se
Page 73 and 74: 'iit ''fr 1 ATION AND toN NAVSHIPS
Page 75 and 76: I sTAI.I,AYICN F ND )ERAI *rf*l NAV
Page 77 and 78: INSTATTATION AND OPERATION NAVSHIPS
Page 79 and 80: D NAVSHIPS 9rO47 Section 2 Figure 2
Page 81 and 82: NAVSHIPS 91047 Section 2 Figure 2-3
Page 83 and 84: .LATION AND ,TloN' NAVSHIPS 9rO47 S
Page 85 and 86: )N AND NAVSHIPS 9rO47 Section 2 Fig
Page 87 and 88: -l -l NAVSHTPS 91047 Section 2 Figu
Page 89 and 90: dl I LLATION AND \TION NAVSHIPS 9rO
Page 91: G J AIIATION AND TATION NAVSHIPS 9r
Page 94 and 95: Me TNTENANCE NAVSHIPS 9rO47 Section
Page 96 and 97: MAINTET'IAI-ICE NAVSHIPS 9rO47 Sect
Page 98 and 99: frÂINTENANi:E rirther thun rt'pa"i
Page 100 and 101: MAINTEN"qf*tCE ( f ; If several adj
Page 103 and 104: I I I F{ F{ F{ F{ 4 Section Spore P
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I 4 Section N-l301 N-l503 NAVSHTPS
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I '! H F{ FL 4 Section NAVSHIPS 910
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