Mode Conditioning Fiber Optic Patch Cable 2 x ST 62.5/125 to 1 x SC 9/125 & 1 x SC 62.5 3M

This ST to SC mode conditioning fiber optic patch cable enables stable Gigabit Ethernet over legacy multimode fiber. It reduces DMD and ensures reliable signal transmission. Ideal for short-distance and mixed-interface environments.

SKU MCC-STSCM1-3 Category
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The Mode Conditioning Fiber Optic Patch Cable (MCP) with 2 × ST to dual SC connectors is designed to enable stable Gigabit Ethernet transmission over legacy multimode fiber infrastructure. By combining a singlemode (9/125μm) fiber with a multimode (62.5/125μm) fiber on the SC side, this cable introduces a controlled offset launch that significantly reduces Differential Mode Delay (DMD), ensuring consistent signal quality and reliable link performance.

Equipped with dual ST connectors on the equipment side, this cable is ideal for environments where legacy ST interfaces are still widely deployed. It allows modern 1000BASE-LX/LH transceivers to operate effectively over existing multimode cabling without requiring a full infrastructure upgrade. The 3-meter length makes it suitable for short-distance connections in racks, telecom rooms, or equipment cabinets. OEM customization is available to meet specific project and branding needs.

Featured Specialty Patch Cables Selection Table

SKU Fiber Count Fiber Type Cable Type Connector A Connector B Features Cable Color Length
CSULCU-SM0523YL05 2 OS2 SM Uniboot CS/UPC LC/UPC LSZH Yellow 5FT
LCLCUD-M3023RAQ01 2 OM3 Uniboot LC/UPC LC/UPC OFNR, 3.0mm Aqua 1M
LCLCUD-M5023RBK02 2 OM2 Uniboot LC/UPC LC/UPC Indstrial Grade, IP67, Dustproof, Outdoor Black 1M
LCULCU-M5022RLM 2 OM5 Uniboot LC/UPC LC/UPC OFNR, Pull Tab Lime 1M
LCLCUD-M5023RLM01 2 OM5 Uniboot LC/UPC LC/UPC OFNR, 3.0mm Lime 1M
MCC-LCLCM1-3 2 OS2, OM1 Mode Conditioning 2 LC OM1 LC OS2 + LC OM1 3M
MCC-LCSTM1-10 2 OS2, OM1 Mode Conditioning 2 LC OM1 ST OS2 + ST OM1 10M
MCC-MJLCM1-3 2 OS2, OM1 Mode Conditioning MTRJ LC OS2 + LC OM1 3M
MCC-SCSTM1-10 2 OS2, OM1 Mode Conditioning 2 SC OM1 ST OS2 + ST OM1 10M
PMF-R023LSF 1 PM850 / PM980 / PM1310 / PM1550 Polarization Maintaining LC / SC / FC LC / SC / FC 1M
Connector Type A2 × ST
Connector Type B1 × SC (SM 9/125) + 1 × SC (MM 62.5/125)
Fiber TypeHybrid (Singlemode + Multimode)
Multimode Fiber62.5/125μm (OM1)
Singlemode Fiber9/125μm
Cable Length3 Meter
Application1000BASE-LX/LH over multimode fiber
Jacket TypeIndoor (OFNR/LSZH optional)
Insertion Loss≤ 0.5 dB
Return Loss≥ 30 dB
Operating Temperature-20°C to +70°C
  • Offset launch design minimizes Differential Mode Delay (DMD)
  • Hybrid fiber construction with singlemode (9/125μm) and multimode (62.5/125μm)
  • 2 × ST connectors to dual SC interface for legacy-to-modern compatibility
  • Supports reliable 1000BASE-LX/LH transmission over multimode fiber
  • Factory-terminated with consistent optical performance testing
  • Compact 3M length for short-distance patching scenarios
  • Gigabit Ethernet over legacy multimode fiber systems
  • Enterprise and industrial networks using ST-based equipment
  • Data center and telecom room short-distance connections
  • Infrastructure upgrades without replacing existing fiber cabling
  • Mixed connector interface environments

We provide full OEM and ODM services tailored to customer requirements. Options include custom cable lengths, connector types, fiber combinations, labeling, and packaging. Private branding and serialized identification are available for distributors, system integrators, and large-scale deployments.

Customize Your Specialty Fiber Patch Cord Solution

Specialty Cable Type Uniboot / Mode Conditioning / Polarization Maintaining (PM)
Fiber Type OS2 / OM1-OM5 / Polarization Maintaining
Connector Type LC / SC / FC / ST / MPO/MTP / Customized Connectors
Connector Polish UPC / APC
Fiber Count Simplex / Duplex / Multi-Fiber
Cable Jacket PVC / LSZH / Plenum / OFNR / Armored Options
Cable Diameter 1.6mm / 2.0mm / 3.0mm / Customized
Length Customized Length Available
Polarity & Configuration Duplex A-B / A-A / Customized Polarity
Testing & Certification IL & RL Test Report / Customized Test Requirements

Q1: How does a mode conditioning cable improve signal quality?
It controls how the optical signal enters the multimode fiber, reducing modal dispersion and preventing signal distortion.

Q2: Is this cable directional?
Yes, mode conditioning cables are directional and must be installed according to the transmit (TX) and receive (RX) orientation.

Q3: Can I use this cable with standard multimode transceivers?
It is specifically designed for LX/LH singlemode transceivers operating over multimode fiber.

Q4: What happens if I install it incorrectly?
Incorrect installation may result in signal loss or unstable transmission due to improper offset launch alignment.

Q5: Do you support custom labeling for TX/RX identification?
Yes, we can provide clear directional labeling and customized identification to simplify installation.