Fiber Optic Cable INFRALAN U-DQ(ZN)BH OM4 4G (1x4) Eca LSZH black, 7.5 mm

The INFRALAN Fiber Optic Cable U-DQ(ZN)BH OM4 4G (1x4) is a multimode optical cable engineered for high-speed data transmission in structured cabling, data centers and building backbones. It contains four glass fibres arranged in a 1x4 configuration inside a loose tube construction. The cable jacket is a low-smoke, halogen-free (LSZH) compound with an Eca reaction-to-fire classification and a black outer sheath. With a nominal diameter of 7.5 mm this cable balances compact size and mechanical protection for indoor installations.

Advantages

This OM4 multimode cable supports higher bandwidth and longer reach for short-range high-speed applications compared with lower-grade multimode fibres, which helps maintain signal integrity in LAN, server interconnects and patching environments. The LSZH Eca jacket reduces smoke and halogen emissions in the event of fire, improving safety in enclosed spaces. The 1x4 fibre arrangement simplifies routing and termination for applications that require multiple fibres from a single micro-duct or conduit. The 7.5 mm nominal diameter offers a manageable, flexible cable suitable for trays, conduits and vertical risers.

Suitable for

• Data center horizontal and inter-rack links
• Enterprise building backbones and riser installations
• High-speed multimode links such as 10G/40G/100G over OM4 where distances are within multimode limits
• Indoor ducts, cable trays and pathways requiring LSZH jackets

When it may not be suitable

This cable is a multimode OM4 product and is not suitable for single-mode long-haul applications that require single-mode fibre for extended distances. It is intended primarily for indoor installations; for direct burial, outdoor aerial spans or environments requiring additional mechanical armouring or moisture protection, a purpose-built outdoor or armoured cable should be selected.

Key specifications

• Fibre type: Multimode OM4
• Fibre count and arrangement: 4 fibres arranged as 1x4
• Jacket material: Low-smoke, halogen-free (LSZH)
• Reaction-to-fire class: Eca
• Nominal outer diameter: 7.5 mm
• Colour: Black outer sheath

How to use

Install the cable following standard fibre handling procedures: avoid tight bends, excessive tensile load, and crushing during routing and pulling. Use appropriate fibre optic connectors and termination kits for OM4 multimode fibres, and ensure connectors and splices meet insertion loss and return loss requirements for the intended link speeds. Secure the cable in trays, conduits or risers with supports that prevent sagging and maintain the minimum bend radius specified by the manufacturer. Test each link after installation using optical loss testing and end-to-end verification appropriate for multimode OM4 links.

What to consider before purchase

• Confirm required fibre type and count for your network design (OM4 multimode, 4 fibres)
• Verify indoor LSZH jacket and Eca fire classification meet building and safety codes
• Check mechanical requirements such as bend radius, tensile strength and conduit diameter compatibility
• Ensure OM4 performance meets distance and speed needs for planned 10G/40G/100G links

Usage recommendations

Handle fibres with care: maintain manufacturer-specified minimum bend radius, use proper pulling techniques and test each installed link. For critical or long-distance links consider link budget calculations and connector quality to ensure OM4 performance for high-speed multimode applications.