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U.S.Department of Transportation




FAA-E-2689a




NOTICE-6




August
20,1999


SUPERCEDING
FAA-E-2689a
NOTICE-5
May 31, 1996
SUPERSEDING
FAA-E-2689a
December 9, 1993
SUPERSEDING
FAA-E-2689a
September 13, 1983
SUPERSEDING
FAA-E-2689,
dated July 24, 1978








U.S.Department of Transportation

Federal Aviation Administration

Specification


DUAL MODE
HIGH INTENSITY APPROACH LIGHTING SYSTEM
(ALSF-2/SSALR)



U.S. Department
of Transportation
Federal Aviation
Administration
-ii-
FAA-E-2689a
NOTICE-5
May 31, 1996

CONTENTS

Paragraph Title Page

1. SCOPE.................................................... 1
1.1 Scope.................................................... 1
1.2 Classification........................................... 1
1.3 Definitions.............................................. 1
1.3.1 Mode
ALSF-2.............................................. 1
1.3.2 Mode
SSALR............................................... 2
1.3.3 Current
loop............................................. 2
1.3.4 Discrimination
ratio..................................... 2
1.3.5 Down-link................................................ 2
1.3.6 Up-link.................................................. 2
1.3.7
Alternating current and voltage.......................... 2
1.3.8 High
voltage............................................. 2
1.3.9 Equipment
failures....................................... 2
1.3.10 Failure
condition........................................ 2
1.3.11 Functional
failures...................................... 2
1.3.12 Caution
condition........................................ 2
1.3.13 TTL
compatible........................................... 2
1.3.14 CMOS
logic............................................... 3
1.3.15 24-volt
logic............................................ 3
1.3.16
Mean time between failures (MTBF)........................ 3
1.3.17
Mean time to repair (MTTR)............................... 3
1.3.18 Predicted
MTBF........................................... 3
1.3.19 Predicted
MTTR........................................... 3
1.3.20
Remote maintenance monitoring system..................... 3
1.3.21
Specified mean time between failures..................... 4
1.3.22
Line replaceable unit (LRU).............................. 4

2. APPLICABLE
DOCUMENTS..................................... 4
2.1 FAA
documents............................................ 4
2.1.1 FAA
specifications....................................... 4
2.1.2 FAA
drawings............................................. 5
2.1.3 FAA
standards............................................ 6a
2.2 Federal
publications..................................... 6a
2.2.1 Military
standards....................................... 6b
2.2.2 Military
publications.................................... 6b
2.2.3 Military
specifications.................................. 6c
2.2.4 Federal
specifications................................... 7
2.3 Other
publications....................................... 7
2.3.1
National Fire Protection Association document............ 7
2.3.2
Occupational Safety and Health Act (OSHA)................ 7
2.3.3
National Electrical Manufacturers Association............ 7a
2.3.4
American National Standards Institute.................... 8
2.3.5
American Iron and Steel Institute standard............... 8
2.3.6
Electronic Industries Association........................ 8
2.3.7
Institute of Electrical and

Electronic Engineers................................... 8
FAA-E-2689a
-iii-
NOTICE-5
May 31, 1996


CONTENTS (continued)

Paragraph Title Page

3. REQUIREMENTS............................................. 9
3.1 General.................................................. 9
3.1.1
Equipment to be supplied by the contractor............... 9a
3.1.2 Other
equipment......................................... 14
3.2 Performance
characteristics............................. l5
3.2.1
480 volt input cabinet.................................. l5
3.2.2
High voltage output cabinet............................. 16
3.2.3
Constant current regulator.............................. 17
3.2.4
Control and monitor subsystem........................... 20
3.2.5
Flashing lights subsystem............................... 40
3.2.6
Elevated PAR-56 lampholders............................. 52
3.2.7
Site spare parts........................................ 52a
3.2.8
Power distribution equipment............................ 52a
3.2.9
Remote monitoring subsystem (RMS)....................... 53
3.2.10
RMS performance parameter monitoring requirements....... 54b
3.2.11
Equipment required but not furnished.................... 54p
3.3 Physical
characteristics................................ 54p
3.3.1
480 V ac input cabinet.................................. 54q
3.3.2
High voltage output cabinet............................. 54q
3.3.3
Constant current regulators............................. 54q
3.3.4
Substation control and monitor assembly................. 54q
3.3.5
Remote electronic chassis............................... 54r
3.3.6
Air traffic control tower (ATCT) control panel.......... 54r
3.3.7 Reserved................................................ 54r
3.3.8
External resistor cabinet............................... 54r
3.3.9
Individual control cabinet.............................. 56
3.3.10 Junction
boxes.......................................... 56
3.4 System
requirements..................................... 56
3.4.1
Power quality requirements.............................. 56
3.4.2 Modular
construction.................................... 56a
3.4.3 Interchangeability...................................... 56a
3.4.4
Test points and controls................................ 56a
3.4.5
DC power supplies....................................... 57
3.4.6 Extender
boards......................................... 57
3.4.7
Derating of electronic parts............................ 57
3.4.8 Enclosures.............................................. 57
3.4.9 Earth
grounding......................................... 65
3.4.10 Nameplates.............................................. 65
3.4.11
Assembly and marking.................................... 66
3.4.12 Warning
signs........................................... 66
3.4.13
High voltage insulation................................. 66
3.4.14 Software/firmware
requirements.......................... 66
3.4.15
RMS functional requirements............................. 66c
3.4.16
ALSF-2 General control behavior......................... 66m
-iv-
FAA-E-2689a
NOTICE-5
May 31, 1996


CONTENTS
(continued)

Paragraph Title Page

3.5
Parts, materials, and processes......................... 66u
3.5.1 Parts................................................... 66u
3.5.2 Materials............................................... 68
3.5.3 Protective
coatings..................................... 68a
3.5.4 Glass................................................... 69
3.5.5 Gaskets................................................. 69
3.5.6 Adhesives............................................... 69
3.5.7 Processes............................................... 69
3.6 Environmental
requirements.............................. 70
3.6.1 Indoor
equipment........................................ 70
3.6.2 Outdoor
equipment....................................... 70
3.6.3 Impact.................................................. 71
3.6.4 Hydraulic
impact........................................ 71
3.6.5 Snowplow
impact......................................... 71
3.6.6 Transient
suppression................................... 71
3.6.7 Interference
requirements............................... 72
3.7 Instruction
books....................................... 72
3.8 Reliability............................................. 72
3.8.1
Reliability design criteria............................. 72
3.8.2 Reliability
program..................................... 73
3.9 Maintainability......................................... 74
3.9.1
Maintainability design criteria......................... 74
3.9.2 Maintainability
program................................. 74a
3.10 Configuration
management................................ 75

4.
QUALITY ASSURANCE PROVISIONS............................ 75
4.1 General................................................. 75
4.1.1
System component quality assurance...................... 75
4.1.2 Data
certification...................................... 75
4.1.3
System, subsystem, and equipment

testing requirements.................................. 75
4.1.4 VRTM
definitions........................................ 76
4.2
Notification of readiness for inspection................ 76
4.3 Test
methods............................................ 76
4.3.1
Design qualification test............................... 76a
4.3.2
Production unit tests................................... 76a
4.3.3 Operational
testing..................................... 76a
4.4 Tests...................