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The EFB Elektronik O0347.5 is a 5 m OM4 fibre optic cable with ST and SC connectors designed for high-speed data transmission in structured cabling systems. The cable uses a 50 µm core and complies with common structured-cabling concepts, serving as a short interconnection (patchcord) between passive interfaces and active device ports. The purple jacket facilitates visual identification within network installations.

Advantages

Reinforced with aramid yarn for improved tensile strength and long-term stability, the cable features a halogen-free, flame-retardant LSZH sheath meeting IEC-60754-2, IEC-60332-1 and IEC-61034 standards. Connectors are manufactured to quality grades B/2 for singlemode and A/1 for multimode per IEC-61753 series draft classifications. Each patchcord is 100% tested and supplied with an individual test report.

Suitable for

• Short interconnections between patch panels and active equipment in data centers and telecom rooms
• High-speed multimode fibre links using OM4 (50/125 µm) transmission
• Environments where clear cable identification is required (purple jacket)

Key specifications

• Brand: EFB Elektronik
• Manufacturer part number (MPN): O0347.5
• EAN: 4049759065355
• Length: 5 m
• Fibre type: Multimode OM4 (50 µm core, 50/125 µm)
• Connectors: ST on one end, SC on the other
• Jacket: LSZH (halogen-free, flame-retardant) per IEC-60754-2 / IEC-60332-1 / IEC-61034
• Reinforcement: Aramid yarn for tensile resistance
• Quality grading: Connector grade B/2 (singlemode) and A/1 (multimode) per IEC-61753 draft
• Testing: 100% checked with individual test protocol

How to use

Connect the SC and ST connectors to the corresponding ports on patch panels, transceivers or network devices, ensuring correct alignment and secure seating. Avoid tight bends and strain on the cable; maintain the manufacturer’s minimum bend radius and secure the cable to prevent tension on the connectors. Use suitable dust caps when connectors are not in use to protect endfaces.

Recommendations

For reliable performance, install the fibre patchcord in a clean environment, follow fibre handling best practices (avoid touching endfaces), and verify link performance with the provided individual test report after installation. Do not exceed the cable’s specified bend radius and avoid mechanical stress to the connectors.