Introduction ......................................................................................................................................1-1

1.3

System Overview .............................................................................................................................1-2

1.4

General G3X LRU Specifications....................................................................................................1-3

1.5

Installation Requirements.................................................................................................................1-5

1.6

Mounting ..........................................................................................................................................1-5

1.7

Wiring/Cabling Considerations........................................................................................................1-5

GDU 37X .........................................................................................................................................2-1

2.1

Equipment Description.....................................................................................................................2-1

2.2

Electrical Specifications...................................................................................................................2-2

2.3

Environmental Specifications ..........................................................................................................2-3

2.4

Installation Requirements.................................................................................................................2-4

2.5

Installation Considerations...............................................................................................................2-5

2.6

Mounting Requirements...................................................................................................................2-5

2.7

Unit Installation................................................................................................................................2-5

2.8

Maintenance .....................................................................................................................................2-5

2.9

Panel Cutout Template .....................................................................................................................2-6

GMU 44 ...........................................................................................................................................3-1

3.1

Equipment Description.....................................................................................................................3-1

3.2

Electrical Specifications...................................................................................................................3-1

3.3

Environmental Specifications ..........................................................................................................3-2

3.4

GMU 44 TSO/ETSO Compliance....................................................................................................3-2

3.5

Installation Requirements.................................................................................................................3-3

3.6

Installation Considerations...............................................................................................................3-3

3.7

GSU 73/GMU 44 Interconnect Harness Fabrication Instructions....................................................3-5

3.8

Mounting Instructions ......................................................................................................................3-6

3.9

Maintenance .....................................................................................................................................3-6

GSU 73.............................................................................................................................................4-1

4.1

Equipment Description.....................................................................................................................4-1

4.2

Electrical Specifications...................................................................................................................4-2

4.3

Environmental Specifications ..........................................................................................................4-3

4.4

Installation Requirements.................................................................................................................4-3

4.5

Installation Considerations...............................................................................................................4-4

4.6

Mounting Requirements...................................................................................................................4-6