1、I .- MIL-D-81607 58 7777706 OL7L3b 8 m- -a+s3 MIL-D-81607(AS) 16 April 1969 MILITARY SPECIFICATION DISPLAY UNIT, TELETYPEWRITER TT-581/AG AND MOUNTING bfT-4088/AG THIS SPECIFICATION HAS BEEN APPROVED BY THE NAVAL AIR SYSTEMS COMMAND, DEPARTMENT OF THE NAVY 1.0 SCOPE 1.1 Alphanumeric Display device i
2、ntended for use in transmitting, receiving, storing and editing teletypewriter messages. Scope - The equipment covered by this specification shall be an 1.2 consist of the following items: Classification - The equipment covered by this specification shall ITEM - TYPE DESIGNATION APPLICABLE PARAGRAPH
3、 Teletypewriter Display Unit TT- 581 /AG 3.5 Mounting MT- 408 8 /AG 3.5.5 1.3 Teletypewriter and CV-l053/ARC Signal Data Converter. 2 . O APPLICABLE DOCUMENTS 2.1 General - The following documents of the issue in effect on the date of invitation for bids form a part of this specification to the exte
4、nt specified herein: Associated Equipment - This equipment shall operate with TT-264/AG SPECIFICATIONS Mil ir ar y MIL-C- 172 Case, Base, Mounting, and Mounts Vibration for use with Electronic Equipment in Aircraft MIL-W-5088 MIL-E-5400 MIL-T-542 2 Wiring; Aircraft, Installation of Electronic Equipm
5、ent, Aircraft, General Specification for Testing , Environmental, Aircraft Electronic Equipment FSC 5815 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-81607 (AS) MIL- P- 7 7 88 MIL-M-7793 MIL-E-17555 MIL-T- 18303 MIL-N-18307 MIL-M-81288 MIL
6、-D-81607 58 m 7779706 0171387 T m Naval Air Systems Command AR-5 AR- 8 AR- 9 AR-10 Military MIL-STD-188 MIL-STD-461 MIL-STD-462 Panels, Information Integrally Illuminated Meter, Time Totalizing Electronic and Electrical Equipment and Associated Repair Parts, Preparation for Delivery of Test Procedur
7、es; Preproduction and Acceptance for Aircraft Electronic Equipment, Format for Nomenclature and Nameplates for Aeronautical Electronic and Associated Equipment Mounting Bases, Flexible Form Plastic Microelectronic Devices Used in Avionics Equipment, Procedures for Selection and Approval of Versatile
8、 Avionic Shop Test System, General Requirements for -=a Avionic System Compatibility . I* Vast Test Programs, General Requirements for Maintainability of Avionics Equipment and Systems, General Requirements or Military Standard, Military Communication System Technical Standards Electromagnetic Inter
9、ference Characteristics, Requirements for Electromagnetic Interference Characteristics, Measurement for 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-D-Ib07 58 7777706 DI71388 I W - MIL-D-81607 (AS) MIL-STD-463 MIL-STD- 704 MIL-STD-781 MIL-S
10、TD-794 MS17322 FED-STD-2 22 Definitions and Systems of Units, Elect rornagne t ic Interference Technology Electric Power, Aircraft, Character- istics and Utilization of Reliability Tests, Exponetial Distribution Parts and Equipment, Procedures for Packaging and Packing of Meter, Time Totalizing, 400
11、 cycle, 115 Volt Rev. B Radiation Standard for Conununications and Other Information - Processing Equipment 2.1.1 Availability of Documents (i) When requesting specifications, standards, drawings, and publications, refer to both title and number. Copies of this specification and applicable specifica
12、tions required by contractors in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Naval Supply Depot, Code 105, 5801 Tabor Avenue, Philadelphia, Pennsylvania 19120. 3. REQUIREMENTS 3.1 testing . Preproduction - The specification makes provisi
13、on for preproduction 3.2 Parts and Materials - In the selection of parts and materials fulfillment of major design objectives shall be the prime consideration. In so doing, the following shall govern: Microelectronic technology shall be considered and micro- electronic items shall conform to require
14、ments specified here in. Other parts and materials requirements shall conform to Specification MIL-E-5400. Nonrepair subassemblies, as outlined in Specification MIL-E-5400, shall be used when practicable. The general 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
15、nse from IHS-,-,-MIL-D-83b07 58 7777706 0373387 3 M MIL-D-81607 (AS) size of the subassembly and the amount of circuitry to be included therein shall be approved by the procuring activity. Nonrepairable subassemblies must be reliable. (See 6.5) (4) When previously produced models of this equipment d
16、id not use nonrepairable subassemblies, the design shall not be changed to employ nonrepairable assemblies without the approval of the procuring activity. 3.2.1 Nonstandard Parts and Materials Approval - Approval for the use of nonstandard parts and materials (including electron tubes, tran- sistors
17、 and diodes) other than microelectronic devices shall be obtained as outlined in Specification MIL-E-5400. Microelectronic devices shall be approved as outlined in AR-5. 3.2.2 Microelectronic Modular Assemblies - When used, Microelectronic modular Assemblies shall meet the requirements of Specificat
18、ion AR-5. 3.2.3 Modules - The electric portions of the equipment shall be modulari- zed in accordance with Specification AR-10. 3.3 Design and Construction - The equipment shall conform with all the applicable requirements of Specification MIL-E-5400 for design, construction and workmanship, except
19、as otherwise specified herein. 3.3.1 Total Weight - The total weight of the equipment including mounting, excluding cables, shall be minimum consistent with good design and shall not exceed 46 pounds. 3.3.2 Reliability - 3.3.2.1 performance, continuously or intermittently for a period of at least 50
20、0 hours without the necessity for readjustment of any controls which are in- accessible to the operator during normal use under standard conditions. Operational Stability - The equipment shall operate with satisfactory 3.3.2.2. of greater than 10 years with reasonable servicing and replacement of pa
21、rts. Parts requiring scheduled replacement shall be specified by the contractor. Operating Life - The equipment shall have a total operating life 3.3.2.3 Reliability in Mean Time Between Failure (MBF) - The equipment shall have 2000 hours of mean (operating) time between failures when tested and acc
22、epted as outlined under the requirements of 4.4.3. 3.3.2.4 Time Totalizing Meter - The following unit shall contain a time totalizing meter in accordance with Specification MSL-M-7793. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-Lb07 58 M
23、 7797906 0171370 T MIL-D-81607 (AS) UN IT TYPE OF METER - Teletypewriter Display Unit TT-581/AG MS17322 3.3.3 Cabling and Connections - 3.3.3.1 of cables and connectors in accordance with Specification MIL-E-5400. Cables and Connectors - The equipment shall provide for the use 3.3.3.2 satisfactory o
24、peration using external wiring in accordance with the applicable requirements of Specification MIL-W-5088. shall be unshielded except that a minimum number of the individual wires may be shielded when demonstrated as necessary to meet interference control requirements and provided-.the assembly of t
25、he cable to its plugs may be easily accomplished. attached to the cables shall notbe supplied as part of the equipment. Interconnection Cabling - The equipment shall be capable of The external wiring External cables and that portion of the connectors 3.3.4 Panel Illumination - The panel illumination
26、 shall comply with Specification MIL-P-7788. and shall be supplied by the aircraft. The primary source of power shall be 5.0 volts 3.3.5 Interchangeability - The equipment shall meet the interchangeability requirements of Specification MIL-E-5400. 3.3.6 the equipment and the vulnerability of the equ
27、ipment to radio interference Interference Control - The generation of radio interference by shall -meet the requirements of MIL-STD-461, MIL-STD-462, and MIL-STD-463. 3.3.7 Provisions for Maintainability - Built-in test equipment, con- struction and packaging, and provisions for test points shall be
28、 as specified in Specificatin -101 3.3.7.1 Compatibility with VAST - The equipment shall be compatible with the Versatile Avionic Shop Test System (VAST) and shall meet the require- ments of Specification AR-8. When required, VAST Test Programs shall be furnished in accordance with specification AR-
29、9. If VAST Test Programs exist for the equipment, and changes to the equipment are made which will affect the fault diagnosis procedure,. changes to the existing Test Programs shall be prepared as part of the equipment changes Specification AR-9. in accordance with 3.3.8 plate approval for equipment
30、 identification shall be in accordance with Specification MIL-N-18307. Nomenclature and Nameplates - Nomenclature assignment and name- 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-81b07 58 U 77777Ob 0171371 1 MIL-D-81607 (AS) 3.3.9 establi
31、sh normal performance characteristics under standard conditions Standard Conditions - The following conditions shall be used to and for making laboratory bench tests. Temperature Altitude Normal ground Room ambient (25“ C t 5“ C) Vibration None Humid it y Input power voltage Room ambient up to 90% r
32、elative humidity 115 - + 1 VAC, 400 Hz, Three-phase 3.3.10 Service Conditions - The equipment shall operate satisfactorily under any of the environmental service conditions or reasonable combina- tion of these conditions as specified in Specification MIL-E-5400 for Class 1A equipment, except as modi
33、fied herein: 3.3.10.1 Vibration - The equipment shall operate satisfactorily when subjected to the vibration requirements of Curves II and IV of Specification MIL-E-5400, 3.3.11 to operation shall be kept to a minimum and shall not exceed 2 minutes under standard conditions and 5 minutes at extreme
34、service conditions. 3.3.12 Input Electrical Power - Warm-Up Time - The time required for the equipment to warm up prior 3.3.12.1 Operating Power - The equipment shall meet all applicable re- quirements of MIL-STD-704 and shall give specified perf ormance when energized from the following power sourc
35、es with characteristics and limits as defined in MIL-STD-704. The power required shall not exceed the specified amounts. (1) AC Powey (Three-phase) 115 Category “B“o 1OOVA 3.3.12.2 Lighting Power - Input power for lighting shall require not more than 0.1 amp at 5 volts. 3.3.12.3 Transient Protection
36、: necessary for protection from any input power transients as defined in MIL-STD-704. Such protection shall prevent loss of data from the memory as a result of power transients and the only loss of data allowed will be that data which would have been supplied by external sources during power inter-
37、ruption. equipment shall resume operation within 500 msec. The display unit shall contain circuitry When normal power is restored after a power interruptionj the 3.3.13 to the CRT filament only. Standby Provisions - No provisions shall be made for applying power 6 Provided by IHSNot for ResaleNo rep
38、roduction or networking permitted without license from IHS-,-,-MIL-D-Lb07 58 77777Ob 0373372 3 MIL-D-81607 (AS) 3.4 Performance -Unless otherwise specified, values set forth to establish the requirements of satisfactory performance apply to performance under both standard and extreme service and inp
39、ut power conditions. reduced performance under the extreme condit$.ons is acceptable, tolerances or values setting forth acceptable variations from the performance under the standard conditions will be specified. 3.4.1 Operation - The equipment is intended for use as a message composing editing, cor
40、recting and storage device. It will accept input messages from a teletypewriter keyboard or from a radio receiving line via a CV-l053/ARC Signal Data Converter. messages via an RF transmitter or to an associated page printer. to and from the equipment shall be selectable either in the International
41、Tele- graph Alphabet No. 2 American Version or the American Standard Code for Inform- ation Interchange (ASCl1) as Specified in MIL-STD-188B; paragraph 2.7.3. Func- tion switches shall be provided to aid correcting, controlling, storaging and transmitting messages. When It will also, upon operator c
42、ommand, transmit stored All messages the operator in composing, editing, 3.5 Detail Requirements - The teletypewriter Display Unit shall meet the following requirements. 3.5.1 writer and CV-l053/ARC Signal Data Converter or equivalent, to transmit and receive teletype messages. It shall store, displ
43、ay, and provide the capability to edit these messages prior to transmissions. Function - The Display Unit shall operate with a TT-264/AG Teletype- 3.5.2 Form Factor - The Display Unit shall be enclosed in a case conforming to Specification MIL-C-172 having dimensions not greater than the following:
44、20 1/2 inches long by 7 112 inches wide by 7 5/8 inches high. 3.5.3 Weight - The weight of the Display Unit, less shock mounting, shall not exceed 42 pounds. for display generation and control and all support assemblies such as power supplies. This weight shall include all subassemblies necessary 3.
45、5.4 components which shall provide the following performance characteristics: Contents - The Display Unit shall contain the following major functional 3.5.4.1 least 4096 provided to select the type of data word to be stored. data shall be regenerated into storage. stored data words shall be provided
46、. Storage - The Display Unit shall contain memory for stora e of at open line or positive voltage (up to +200 volts for converter space output). (C) Special options for auxillary equipment (1) Input - 80 microamperes at 2 VDC for mark pulses, no current for space pulses. (2) Output Neutral - 20 or 6
47、0 milliamperes at -40 VDC for mark pulses, no current for space pulses. (3) Output Polar: +20 or +30 milliamperes for mark pulses- -20 or -30 milliamperes for space pulses. 3.5.4.4.3 Interface Timing Requirements - The interface shall operate at data transfer rates of 45.45, 50, 74.2 and 150 bauds a
48、t 5 and 7 level rate codes. 3.5.4.4.4 Operator Controls - ?!e DispIq Uriit xhen ir,t,erfstr,e.l with the TT-264/AG t.eletypewriter or other local keyboardlprinter device 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-1607 58 m 9449906 017139
49、5 9 MIL-D-81607 (AS) shall provide operator control of message entry and editing. Several. function switches shall be provided on the front panel of the display. Other semifixed adjustable controls for the display intensity; horizontal and vertical deflection linearity; gain and etc., shall be readily accessible when a cover is removed from the case. If other than hand tools are re- quired for adjustment, such tools shall be furnish
