Deep Dive: Glenair Subsea Interconnect Technologies

QPL AND COMMERCIAL MIL-PRF-28876 Fiber optic connection system

Qualified Fiber Optic Termini

Connector/Backshell Types

Military Part Number

A Dia (Microns)

Typical Fiber Type Multi Mode Multi Mode Multi Mode Multi Mode Multi Mode Multi Mode

Connector Type

Commercial Connector Type Code

Type

Backshell Type MIL-Spec

M29504/14-4131C M29504/14-4132C M29504/14-4135C M29504/15-4171C M29504/15-4172C M29504/15-4175C

M28876/1

03

126.0 127.0 142.0 126.0 127.0 142.0

None

M28876/2 13 M28876/3 23 M28876/4 33

Pin Termini

Straight

Wall Mount Receptacle

45° 90°

Socket Termini

In-Line Receptacle

M28876/5 15

Straight

M28876/6 06 M28876/7 16 M28876/8 26 M28876/9 36 M28876/11 04 M28876/12 14 M28876/13 24 M28876/14 34

None

Dummy Terminus M29504/3-4038 Crimp sleeve is supplied with terminus assembly and may be ordered separately (see Table II). For terminus less crimp sleeve, omit C from end of part number. Consult factory for additional sizes.

Straight

Plug

45° 90°

None

Straight

Jam Nut Receptacle

Terminated and tested MIL- PRF-28876 fiber optic cable assembly

45° 90°

Qualified QPL-29504 pin and socket termini

Insert Arrangements

Pin Insert Face

Socket Insert Face

Test Description

Performance Requirements/Specifications

Optical Insertion Loss, Multimode -0.3 dB Typical (62.5/125) Optical Insertion Loss, Singlemode -0.3 dB Typical (9/125) Optical Back Reflection, Singlemode

Insert Key

Better than -40 dB - PC Polish • Better than -50 dB - Enhanced PC Polish -28°C to +65°C (MIL-Spec Epoxy and Cable) -55°C to +125°C (alternative Epoxy and Cable)

Size A or Size 11 Ins. Desig. 1 2 channels.

2 1

1 2

Operating Temperature

Size B or Size 13 Ins. Desig. 1 4 channels.

Temperature (Thermal) Shock

-40°C to +70°C, 5 Cycles -28°C to +65°C, 5 Cycles

1 2 3 4

2 1 4 3

Temperature Cycling

Temperature/Humidity Cycling

-10°C to +65°C, 10 Cycles, 240 hours, 98% RH

Temperature Life Aging

+110°C, 240 hours, Dry Air

1

1

Size C or Size 15 Ins. Desig. 2 6 channels.

2

2

3

3

Mating Durability

500 cycles

4

6

4 5 6

5

10 g Peak, 5-500 Hz sin./ 10.2 g RMS, 50-2000 Hz random

Vibration - Sinusoidal

Impact

8 Drops from 8 feet

1

1

Size C or Size 15 Ins. Desig. 1 8 channels.

2

3

3

2

Crush Resistance

281 lbs, 7 Cycles

6

4

4

6

7

8

8

7

Termini: 22 lbs min for 1 minute Connector: 162 lbs min for 10 minutes Turbine Fuel, Isopropyl Alcohol, Hydraulic Fluid, Lubricating Oil, Coolant, Tap- and seawater, 24 hrs 32 feet for 48 hours at +10°C to +35°C MIL-S-901, Grade A, Type B, Class I

Cable Pull Out Force - Termini

1

2

1

2

Size F or Size 23 Ins. Desig. 2 18 channels.

3

6

3

6

Fluid Immersion

8

7

8

7

11

11

12

12

Water Pressure

13

16

13

16

17

18

Mechanical Shock (High Impact) Corrosion Resistance (Salt Spray)

17

18

500 hours

Sand and Dust

12 hours

2

1

1

2

Flammability 0.75 inch flame for 10 sec. mated, 1.50 inch flame for 60 sec. unmated *Performance Specifications/Requirements based on the use of MIL-PRF-24792 Epoxy and MIL-PRF-85045 Simplex and Breakout Shipboard Optical Fiber.

Size F or Size 23 Ins. Desig. 1 31 channels.

7

3

3

7

8

13

8

13

24

14

14

24

29

25

25

29

30

31

30

31

29 © 2016 Glenair, Inc • 1211 Air Way, Glendale, CA 91201 • 818-247-6000 • www.glenair.com • U.S. CAGE code 06324

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