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3 SC Connectors and Accessories A Family of SC Connectors 3M offers a full line of SC Connectors, including Epoxy, Hot Melt, Crimplok™, Low EMI, and Angled Polished Connectors, to meet all your connector needs. 3M has simplified the design of the SC Connector to enhance performance and cable retention and provide readily field mountable connectors. The connector is fully compliant with NTT, JIS, ISO/IEC and TIA/EIA component and ISO/IEC, CENELEC, ANSI, TIA/EIA-568A and BICSI system and cabling level standards. The 3M™ SC Connector has a rectangular push-pull coupling mechanism for easy insertion and high repeatability. The zirconia ceramic ferrule, with a proprietary PC finish assures low attenuation and can now minimize reflected power to –55 dB on factory polished single-mode cable assemblies. The SC Connector is designed for the most advanced fiber optic systems requiring exceptional stability, low reflections (single-mode) and high density. This versatile connector offers easy installation in both long and short transmission lines, subscriber networks or premises environments. The 3M Field-Mountable Connector maximizes termination yield through ease of mounting and a high performance polishing procedure. The extended ferrule collar assembly ensures that the adhesive encapsulates the end of the buffer without wicking or spreading. The four-piece design (connector, shell, crimp ring and boot) is mounted using the same simple process used for other 3M connectors. The 3M SC Low EMI Connector has unique material, which minimizes electromagnetic interference for routers and switches and test bed applications. The SC Epoxy and Low EMI Connectors are available in single-mode SC Connector 2 SC Hot Melt Connector 3 and multimode utilizing epoxy adhesive. The SC Hot Melt Connector, available in single-mode and multimode, is preloaded with Hot-Melt adhesive, enabling a field termination in less than two minutes for multiple terminations. The SC Crimplok™ Connector, also available in both single-mode and multimode, combines the speed of non-adhesive connectors with the performance characteristics of epoxy and hot melt connectors. The SC Hot Melt and Crimplok Connectors are specifically intended for ease of termination in local area network and meet requirements of system and cabling level standards. 3M also offers the following to help ensure you meet any and all of your connector needs. A variety of distribution units are available to accommodate the SC design. For high cable assembly applications, try the 3M Fiber Optic Bulk Pack. Consisting of 1,000 connectors, boots and accessories, the 3M Bulk Pack dramatically decreases assembly time and cost. 3M offers a standard 1.5" boot, as well as shorter 1.1" boots for high density, confined space applications. 2.0 mm boots for smaller jacket sizes ranging from 1.6 mm to 2.0 mm and buffer boots for 900 µm buffered fiber are also available. All 3M SC Connectors are available without the 3M logo for private labeling. SC Connectors and Cable Assemblies Features Benefits Intermateable within NTT specifications Push pull mating Pull-proof (independent) ferrule 3M PC finish Zirconia ceramic ferrule No retrofit, compatibility issues High density, repeatable connections Maintains optical contact Excellent transmission performance Reduces reflectance problems Factory polish to –55 dB reflections (single-mode epoxy only)* Field polish to –45 dB reflections (single-mode epoxy only)* Corrosion resistant Fast, simple termination Thermoplastic shell Fewer parts Hot Melt Version Only (in addition to above) Pre-loaded Hot Melt adhesive No waiting for epoxy to cure Single step polish Extended shelf life, fewer consumables (saves money) Termination in 2 minutes (productivity) Only one abrasive to buy; faster polishing (reduces cost) (short boot available) 35 30 45 40 25 35 20 30 25 FREQUENCY FREQUENCY 15 10 5 20 15 10 5 0 0 0 .05 .1 .15 .2 .25 .3 Single-Mode Epoxy Insertion Loss (dB) .35 .4 0 -56 -57 -58 -59 Single-Mode Epoxy Reflection (dB) -60 -61 SC 8° Angled PC Cable Assemblies Features Benefits 8° Angle polish on ferrule (patents issued US 5,351,327, US 5,458,582, US 5,321,784) Low reflections, mated or unmated; intermateable with other SC 8° angled connectors meeting industry standards Contacting fibers Low, stable insertion loss Isolated ferrule design Not affected by cable disturbance Push-pull mating (SC) High density, repeatable connections Zirconia ceramic ferrule Durable, compliant material Thermoplastic shell Corrosion resistant SC 8° Angled PC Cable Assemblies, Single-mode In order to meet the system requirements of the cable TV industry and other high-speed digital systems, 3M has developed a single-mode SC 8° angle-polished connector to minimize reflections to a mean of -80 dB. 30 25 20 FREQUENCY 20 FREQUENCY 15 10 15 10 5 5 0 0 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 -65- 66 -67-68-69 -70-71 -72 -73 -74 -75 -76-77 -78 -79-80-81-82-83-84-85 Specifications for SC Connectors Multimode Single-mode Product Number 6300 6900 6306 8300 Connector type Hot Melt Crimplok™ Epoxy Fiber size (µm) 125 125 125