AIR FORCE MIL-C-27960 (4)-1965 COMMUNICATION SET AN TSC-53《AN TSC-53通信装置》.pdf

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1、- I .=. . . MIL-C-27960 (4) 58 m 7999706 OL54L88 7 m mLC-27960”( W) Amendment :4 25 February 1965 Superseding Amendment 1 12 November 19a _- : Aaenrnent 3 -7 December 1964 .- . henrlaent 3- . .- .- , Page 3, paragraph 2.1, PUBLICATI .accidental application of maxmp or hannftil,.F energy to the anten

2、na system before the tuning operation is eonrpletetl. _. This interlock will automatically inhibit 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. .,- - .I .- . .- . I .- e .- . % . MIL-C:27960 . ( W) ( -1 Page 25, paragraph3.5.6.13.7.1, Spurious

3、 and iianmbnic Radiation: dclctc f150 dbfl and substitute 1135 db“. tute “40 dbll. In line 2 In line 6, delete “60 db“ and substi- Page 25, paragraph 3.5.6.3.3.7.2, Intemodulation Distortion, line 3: “40 db“ and substitute “35 dbll. Delete Pagc 30, paragraph 3.5.9.3, Secure Patch Facility: “3.5.9.3

4、Secure Patch Facility. interconncction of the teletupe and Mq-7 loop circuits through a cordless switch- bo-md. AN/TGC-14 with provision for switching of additional loop circuits when AN/%C- 15teletypes are substituted. voltages and currents to be monitored by a D. C. voltmeter and D. C. milliammete

5、r which shall be provided as integral components of the patch panel, Battery sup- ply for the teletype equipnent shall be provided by the TSEC/h?-? units and bat- tery supply for the TSEc/Kw-7 line terminals shall be provided by the TH-22/TGft. Page .31, paragraph 3.5.10, Power Distribution Panel, F

6、unction: delete Wahtenance Light Circuit Breaker“. Page 33, parkaph 4.1, Classification of Tests, subpangraph 8: gory Testingfl, and substitute “Category I Testingn1. Page 33, paragraph 4.2, Test Criteria and Testing, line 2: -. Delete rExhibkt Il, and substitute IlThe Stitwent f Workn. Delete and s

7、ubstitute The secure patch facility shall provide for the The switchboard shall permit either KW-7 to be associated with either Switches shall be provided to permit the loop in line item 79 in line item 9, delete flHeater/fl. Delete IiCate- Page 33, paragraph 4.3.1, Scope, line 2: The Statement of Y

8、orkn. Delete ll%.hibit Ill, and substitute . -_ _- - Page 34, paragraph 4.3.2.1.8, muigus, line 3:- Delete Wxhibit Ill, and substi- . *-tute “The Stataitent o Workn., Page 37, paragraph 4.3.4.i and 4.3.5: of paragraph 4.3.4 slmall apply. Secure area contahhg the teletgpe and crypto epuipents plus a

9、patch facility eha3. be tested in.edcordancc with Federal Standard 222n, . - - Page 37, Add a new paragraph H4.3.5., OompremisingFnaanations Testing. The - .- _“ . . . . . : . -4 . ri. - . . . =_ . -.- :Y - .I_ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from

10、 IHS-,-,-MIL-C-279b0 (4) 58 qo ol,5412 q MIM-27960 (USM) Pac 37, paragraph 5, PNEPARATION FOR Ql3IvE;RY: sU2stitute .1 General. , Preparation for delivery shall be b accordance :with . the instruction of the procuring activity,“ Delete eubpwagraph 5,icurd -1 custodian: Air Force - 13 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-