Detailed introduction and features of OM3/OM4 armored fiber optic patch cords

Overview of OM3/OM4 armored fiber optic patch cords

The OM3/OM4 armored fiber jumper is a high-performance jumper designed for multimode optical networks. It combines OM3/OM4 multimode fiber (50/125 μm) with a metal armor layer (usually stainless steel or aluminum alloy). It is suitable for complex environments that require high bandwidth, resistance to physical damage and electromagnetic interference (EMI). The product is widely used in data centers, industrial automation, medical imaging, security monitoring and other fields, especially suitable for short distances (within 300 meters) but high bandwidth requirements (10G/40G/100G) scenarios.

Second, the core characteristics of OM3/OM4 armored fiber optic jumpers

1. Fiber Types and Properties
   • OM3: Effective modal bandwidth (EMB) ≥ 2000 MHz · km, supporting 10Gb/s transmission to 300 meters, 40Gb/s to 150 meters, and 100Gb/s to 100 meters.
   • OM4: EMB ≥ 4700 MHz · km, supports 10Gb/s to 550 meters, 40Gb/s to 400 meters, 100Gb/s to 150 meters, with better performance.
   • Laser Optimized Multimode Fiber (LOMMF)Optimized for VCSEL laser light sources, reducing modal dispersion (DMD).
2. Armor layer structure
   • Metal braid: Provides tensile strength (> 50N), compression resistance (> 1000N/10cm) and rodent damage resistance.
   • Shielding layer: Effectively isolate EMI/RFI, suitable for complex electromagnetic environments such as industrial motors and medical equipment.
3. Technical parameters
   • insertion loss: OM3 ≤ 0.3dB, OM4 ≤ 0.3dB (typical value, wavelength 850nm).
   • return lossPC ≥ 30dB, APC ≥ 60dB (APC connectors reduce reflection interference).
   • Temperature range-40 ° C to + 85 ° C, suitable for extreme climate.
   • bending radiusStatic ≥ 15mm, dynamic ≥ 30mm (armor enhanced bending resistance).
4. Connector type
   • standard interfaceLC, SC, FC, ST, MTP/MPO (high-density cabling).
   • Polishing typePC (physical contact) or APC (8 ° ramp, reduced return loss).
5. application scenario
   • Data Center: 10G/40G/100G transmission between racks, support EOR/MOR cabling.
   • Industrial AutomationRobot vision, sensor networks, and control signal transmission.
   • Medical fieldEndoscopic imaging, surgical robots, and medical device interconnection.
   • security monitoring: High-resolution video transmission to withstand physical damage in outdoor cabling.

OM3 vs. OM4 Selection Guide

IV. Technical advantages of OM3/OM4 armored fiber optic patch cords

1. High bandwidth supportThe EMB of OM4 is 2.35 times that of OM3, which is suitable for higher network speeds.
2. Resistance to physical damage: The armor layer resists stretching, extrusion, and biting, prolonging service life.
3. Flexible deploymentSupport for pre-termination (e.g. MTP/MPO backbone cabling) or on-site customization.
4. Environmental complianceLow smoke and halogen-free (LSZH) sheath, compliant with RoHS and REACH standards.

V. Precautions for the purchase of OM3/OM4 armored fiber optic jumpers

1. Confirm network rateSelect OM3 or OM4 based on current and future needs.
2. Armor materialStainless steel (corrosion resistant) or aluminum alloy (lightweight), suitable for different environments.
3. certification standard: Check compliance with ISO/IEC, TIA/EIA, IEC 60793, etc.
4. Connector matchingMake sure it is compatible with device interfaces such as QSFP +/QSFP28 optical modules.

Typical application scenarios of OM3/OM4 armored fiber optic jumpers

• Data Center: OM4 armored jumper connects the core switch and server, supports 40G/100G transmission.
• Intelligent Manufacturing: High-resolution video transmission between industrial cameras and PLC controllers to resist oil pollution and mechanical vibration.
• Medical surgeryLow-latency, high-definition signal transmission between the endoscope system and the display device.

By combining the high bandwidth of OM3/OM4 multimode fiber with the physical protection of the armor layer, this product is ideal for short-range, high-reliability network deployments, especially in scenarios where performance and durability are a priority.