ITT CANON FOMC7-2W1P-001
Specifications
Alignment Guide
Thermoplastic
Cable Clamp
Aluminum Alloy
Cable Seal
Elastomer
Dust Cap
Elastomer
Insert, Front
Removable Thermoplastic
Interfacial Seal
Elastomer
Mandrel/Yoke
Thermoplastic
Marking
Laser with clear chromate over exposed base metal
O Rings
Elastomer
Receptacle Yoke
Thermoplastic
Shell Hardware
Aluminum Alloy
Strain Relief Spring
Stell wire with black chrome finish
Datasheet
Extracted Text
Cannon Fiber Optics Design Guide FOMC Hermaphroditic design means plugs will mate with an identical plug as well as receptacles. The removable insert assures correcting mating and alignment. In the Cannon FOMC, ruggedness is combined with good optical performance, rapid coupling and attractive pricing. Another feature for the FOMC design is the fiber flexure chamber which prevents tensile loads from being applied to the terminated fiber. The chamber provides space for surplus fiber in a service loop of sufficient length to permit one retermination of one or more fibers in the plug and cable receptacle without reterminating the strength member at the same time. This versatility is an ITT exclusive. The FOMC 2, 4, and 8 channel connector are available as a cable plug, and several receptacle shell configurations. The 8 channel can also be used with less contacts i.e. 6,4, or 2 channels. Sealing plugs are supplied with the 8 channel connector when using less than the full complement of contacts. This catalog provides complete ordering information on available shell types, contact layouts, fiber and cable dimensional and mechanical parameters. ITT’s FOMC series fiber optic connectors are designed to meet the needs of military and commercial customers who require a rugged environmental multi-fiber field connector. The FOMC combines features which provide the user with a connector that will withstand rough handling and weather extremes with features of elastomeric cable and interface sealing, scoop proof interface to prevent optical contact damage, removable front insert for easy optical contact cleaning, anodized shell finish, and a tough, strong dust cap with attaching stainless steel strap. Standard Data Description Materials Shell Hardware Aluminum Alloy Cable Clamp Aluminum Alloy Insert, Front Removable Thermoplastic Interfacial Seal Elastomer Cable Seal Elastomer O Rings Elastomer Alignment Guide Thermoplastic Strain Relief Spring Stell wire with black chrome finish Fungus inert per requirement 4 of MIL-STD-454 Fluid resistant (elasto- Mandrel/Yoke Thermoplastic meric materials) per Receptacle Yoke Thermoplastic MIL-H-5606-Hydraulic fluid, petroleum base MIL-L7808-Lubricating oil, synthetic base Dust Cap Elastomer MIL-G-3056-Gasoline Marking Laser with clear chromate over exposed base metal MIL-A-8243-Ethelyne gylcol Contact Arrangements Face View of Insert 2 and 4 Channel 8 Channel F2 F3 F1 F1 F1 F4 F2 M4 M1 M1 M1 M2 M2 M3 www.ittcannon.com 24 1.440 (36.58) Cannon Fiber Optics Design Guide FOMC How to Order FOMC 6- 2 W 2 C * * * * SERIES SERIES Fiber Optic Multi-Channel SHELL STYLE SHELL STYLE 2 - Square Flange Receptcale SHELL SIZE (2/4) channel only) DUST CAP 6 - Cable Plug 7 - Jam Nut Receptacle CABLE TYPE SHELL SIZE (Channels) CABLE SIZE (O.D) (Maximum number of contact positions) POLARIZATION POSITION 2 4 MODIFICATION CODES 8 CABLE SIZE (O.D) POLARIZATION DUST CAP A - .190 + _.015 (4.83 + _.38) (8 channel plug only. Omit for 2/4 channel) W - Connector supplied with dust cap D - .236 + _.019 (6.0 + _.5) 0 - Not polarized X - Without dust cap F - .276 + _.015 (7.0 + _.4) 1 thru 6 - key position CABLE TYPE G - .374 + _.015 (9.50 + _.38)* MODIFICATION CODES 1 - Pigtail buffered fiber (receptacle only) H - .500 + _.015 (12.70 + _.38)* Consult factory 2 - Multi fiber strengthened cable P - Pigtail buffered fiber 3 - Singel fiber strengthned cables (8 channel *NOTE: Cable size G and H are for 8 channel FOMC Connector only) only 2 and 4 Channel Square Flange Receptacle FOMC 2 3.700 (93.98) Millimeters are in parenthesis .130 1.395 (3.30) (35.43) 1.480 2.40 (37.60) (60.96) 1.064 (BSC .(27.03) Ø .013 1.064 (BSC .128 (27.03) (3.25) Dia. 4 Holes 1.480 (37.60) .150 (3.81) Max. Panel Plug FOMC 6 3.700 (93.98) 2.40 Shell (60.96) End Nut 1.175 Dia. (29.845) Cable Strain Relief Connector Identification Front Removable insert And Mating Instructions Jam Nut Receptacle .764 FOMC 7 (19.41) 3.700 .130 (93.98) 1.395 (3.30) .130 1.395 (35.43) (3.30) (35.43) 2.40 (60.96) .945 Dia. 1.150 1.505 Dia (24.00) (29.21) (38.23) Shell Yoke Tabs Rear Removable Yoke (Optical Contact Retainer) Jam Nut .150 (3.81) Max. Panel Front Removable Insert .150 (3.81) Max. Panel www.ittcannon.com 25 2.362 DIA. (60.0) 2.362 DIA. (60.0) Cannon Fiber Optics Design Guide FOMC 8 Channel Square Flange Receptacle FOMC 2 2.50 BSC (63.5) 3.96 (100.5) 2.0 BSC (50.8) 2.02 (51.2) .193 (4.9) 2.64 (67.1) 2.500 (63.5) .255 DIA. (6.35) 1.98 DIA. (50.4) 4 HOLES 1.76 DIA. (44.7) Ø.015 2.00 (50.8) Plug FOMC 6 2.64 5.98 (151.8) (67.1) 5.28 (134.0) 1.76 DIA. 2.03 DIA. (51.6) (44.7) Jam Nut Receptacle 5.24 (133.0) FOMC 7 .800 (20.3) 3.22 (81.8) .193 2.02 .193 (4.9) (4.9) (51.2) 2.02 (51.2) 1.32 (33.5) O-Ring 2.500 DIA. 1.700 Dia. 1.76 Dia. (63.5) (43.2) (44.7) Removable Front Insert M48 x 1.5-6g thd. M48 x 1.5-6g Thd. .200 (5.1) Max. Panel .200 (5.1) Max. Panel Jarn Nut 3.96 (100.5) Polarizing 2.64 (67.1) 2.02 Flanges .193 (4.9) (51.2) 2.500 DIA. 1.76 Dia. (63.5) (44.7) M48 x 1.5-6g Thd. .200 (5.1) Max. Panel Recommended Panel Cutouts 2 and 4 Channel 8 Channel FOMC 2 FOMC 7 FOMC 2 FOMC 7 +.015 1.821 + .005 1.016 + .000 Ø2.000 -.000 -.000 -.005 Ø.253 + _ .002 1.073 +.010 2.000 (50.8) (48.25 + 0.13) (25.80 + 0.00 +.038 Ø.005 1.064 (50.8 -.000 -.0.0) -0.00) -0.13) BSC (27.25 + 0.25) (27.03) CSK B2˚ x .507+/- .010 -0.00) DIA Ø.005 1.064 BSC 1.890 Dia. (48.00 + 0.25) (27.03) .126 + _ .002 DIA. 1.073 + .010 Dia. (27.25 + 0.25) +.010 -.000) CSK 82˚ x .230 + _ .005 -.000 -.000) 2.000 BSC (50.8) -.000 www.ittcannon.com 26 Cannon Fiber Optics Design Guide FOMC Contact Assembly "O" RING BODY. REAR TIP, FERRULE, "O" RING, REAR SPRING FERRULE TERMINUS OPTICAL FRONT TUBE, SUPPORT ∆ TIP I.D. .170 (4.32) .175 (4.44) FIBER BUFFER DIA MAX. DIA. .230 MAX. DIA. (5.84) 1.300 (33.02) MAX. MAX. DIA. How to Order - Contacts FOMC - T - 10 - 1270 ITT SERIES TERMINUS ASSEMBLY BUFFER DIAMETER TIP SERIES TIP (I.D. in tenths of microns) FOMC - Fiber Optic Multi-Channel 1270 - 127.0 μm min. 1300 - 130.0 μm min. TERMINUS ASSEMBLY 1440 - 144.0 μm min. BUFFER DIAMETER (in millimeters) 05 - 0.5 mm Buffer 10 - 1.0 mm Buffer 11 - 1.1 mm Buffer Coupling Performance TOTAL SAMPLES = 3056 900 MEAN = 0.93 SID. DEV. = 0.32 MINIMUM = 0 800 MAXIMUM = 2.2 50/125 FIBER 700 CERAMIC ALIGNMENT TIP CONTACTS 600 500 400 300 200 100 0 0 0.5 1 1.5 2 2.5 CONNECTOR LOSS (dB) www.ittcannon.com 27 FREQUENCY
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