ODM 10G LRM Manufacturer & Suppliers

High-reliability, carrier-grade 10GBASE-LRM SFP+ optical transceivers. Engineered with advanced EDC technology for legacy multi-mode fiber infrastructure optimization.

Demystifying 10GBASE-LRM SFP+ Transceivers: The Solution for Legacy Optical Infrastructure

As modern enterprise networks, institutional campuses, and distributed data centers face skyrocketing bandwidth demands, the underlying fiber optic infrastructure must evolve without incurring prohibitive civil engineering costs. A primary bottleneck exists in legacy multi-mode fiber (MMF) backbones, specifically optical class OM1 (62.5/125 µm) and OM2 (50/125 µm) systems installed during the late 1990s and early 2000s. Standard high-speed optical transceivers, such as 10GBASE-SR, are physically limited to short distances (up to 33 meters on OM1 and 82 meters on OM2) due to severe modal dispersion.

This is where the 10GBASE-LRM (Long Reach Multimode) optical transceiver becomes critical. Operating under the IEEE 802.3aq standard, 10G LRM enables robust 10Gbps transmission up to 220 meters on legacy OM1 and OM2 MMF networks. Rather than replacing miles of in-wall cabling, enterprise network architects deploy LRM optics to squeeze high-bandwidth performance out of their existing physical plant. Key to this capability is the incorporation of Electronic Dispersion Compensation (EDC) on the receive path, which mathematically reconstructs optical signals distorted by modal dispersion.

Kocent Optec Limited: Carrier-Grade ODM Excellence

Established in 2012 in Hong Kong as a high-tech telecommunication enterprise, Kocent Optec Limited has grown to become one of China's premier manufacturers and ODM/OEM solution providers of fiber optic active and passive components. Our production philosophies focus on reliability, absolute standards compliance, and maximizing ROI for our clients.

We work in close collaboration with global telecommunication operators, data center infrastructure planners, and large-scale system integrators. By integrating multi-year hardware engineering experience with scalable production practices, Kocent Optec ensures your optical upgrade paths are seamless, cost-effective, and future-proof.

Kocent Optec Factory Production Line

The Electronic Dispersion Compensation (EDC) Mechanism

How 10GBASE-LRM bypasses the physical limits of modal dispersion on legacy multi-mode fiber.

Mitigating Modal Dispersion

When light pulses propagate down OM1/OM2 multi-mode fibers, different modes travel at different velocities, causing the pulses to spread out in time. LRM technology employs a transmitter design operating at 1310nm coupled with sophisticated Electronic Dispersion Compensation (EDC) on the receiver chip to counteract this Inter-Symbol Interference (ISI).

IEEE 802.3aq Standards

Fully compliant with the IEEE 802.3aq standard, our 10G LRM transceivers ensure interoperability across various multi-vendor network switch hardware. Working seamlessly within SFP+ MSA (Multi-Source Agreement) limits, it delivers predictable performance in diverse thermal settings.

Optimized Optical Budget

By leveraging an uncooled FP or DFB laser source coupled with high-sensitivity PIN photo-detectors, Kocent Optec's ODM modules achieve an outstanding optical power budget, guaranteeing zero frame-loss and minimal bit error rates (BER < 10^-12).

Fiber Cable Type Core Diameter (µm) Modal Bandwidth (MHz·km) 10GBASE-SR Max Range 10GBASE-LRM Max Range (Kocent OEM)
OM1 (FDDI-grade) 62.5 / 125 200 33 meters 220 meters
OM2 (Standard MMF) 50 / 125 500 82 meters 220 meters
OM3 (Laser-optimized) 50 / 125 2000 300 meters 220 meters
Single-Mode Fiber (SMF) 9 / 125 N/A Unsupported 300 meters (using MCP)
Quality Inspection and Testing Lab

China Factory Supply Chain & Cost Advantages

Kocent Optec operates state-of-the-art manufacturing facilities strategically located in China's optical communications hub. This location offers unprecedented access to a complete upstream and downstream supply chain network, providing key manufacturing advantages:

  • Vertical Integration: From semiconductor wafer dicing, TO-Can assembly, TOSA/ROSA optical sub-assembly manufacturing, to high-volume PCB surface-mount technology (SMT), we control every step to ensure competitive cost models.
  • Advanced Testing Equipment: Automated optical alignment machinery and advanced testing stations (utilizing Keysight, Anritsu, and Tektronix equipment) ensure each transceiver is calibrated for BER, optical output power, eye diagram margins, and receiver sensitivity.
  • Scalable Production: Our massive production capacity supports quick scaling for large carrier tenders, ensuring delivery timelines are consistently met.

Our collaborative OEM/ODM business structure passes these manufacturing and supply-chain efficiencies directly to network operators, distributors, and bulk purchasers globally.

Trusted by Global Telecom Operators

We deploy carrier-grade active and passive optical modules across international networks, conforming to strict quality and compliance guidelines.

With over 13 years of technical experience in manufacturing fiber optic communication devices, Kocent Optec has successfully passed rigorous quality audits from leading global telecom operators. Our products are widely deployed in networks managed by operators such as SingTel, Vodafone, America Movil, Telefonica, Bharti Airtel, Orange, Telenor, VimpelCom, TeliaSonera, Saudi Telecom, MTN, Viettel, Bitel, VNPT, Laos Telecom, MYTEL, Telkom, Telekom, Entel, FiberTel, StarFiber, Ooredoo, Beeline, and Azercell.

13+
Years Industry Experience
100%
Tested and Inspected
50+
Global Telco Partnerships
220m
Legacy MMF Performance

Localization Support, Regulatory Compliance, & E-E-A-T Standards

For international system integrators and tier-1 enterprise buyers, compliance is non-negotiable. Kocent Optec ensures all active transceivers and passive components meet global regulatory and environmental standards, minimizing field failures and ensuring network longevity.

Our quality control programs strictly adhere to international benchmarks, including:

  • Telcordia GR-468-CORE & GR-326-CORE: Standards for reliability, durability, and optical connection parameters under severe environmental stresses.
  • Laser Safety Compliance: Class 1 Laser Product certification compliant with EN 60825-1 and FDA 21 CFR 1040.10.
  • Global Certifications: Full compliance with CE, FCC, RoHS, and REACH guidelines, ensuring eco-friendly manufacturing and deployment safety.

Kocent Optec supports customizable firmware configurations for major hardware platforms. Through optimized EEPROM coding, we guarantee seamless compatibility with brands like Cisco, Arista, Juniper, HP, Dell, Huawei, and others, minimizing software-side port lockout issues.

Automated Transceiver Performance Tuning

High-Demand Localization Scenarios for 10G LRM

Discover how system architects integrate 10G LRM to solve physical layer challenges across industries.

Legacy Campus Backbone Upgrades

In academic and corporate campuses with older underground conduits, replacing buried multi-mode cables is highly labor-intensive and costly. 10G LRM transceivers allow network upgrades to 10Gbps using existing OM1/OM2 fibers over distances up to 220 meters.

Industrial Ethernet & Manufacturing Plants

Industrial networks often feature extensive distances of multi-mode fiber exposed to electromagnetic interference. Applying 10G LRM provides high-speed, noise-resistant optical signals without requiring single-mode fiber transitions or complex mode-conditioning patch cords.

Data Center Virtualization & Inter-Rack Links

In legacy structured data centers with existing fiber patch panels, using 10G LRM provides a reliable upgrade path for virtualized server rack links. This protects infrastructure investments while facilitating a controlled migration path toward next-generation high-density networking setups.

Future Industry Trends: The Migration Path from 10G to 800G

The networking industry is moving fast. While 10G LRM remains a critical tool for legacy fiber preservation, forward-thinking network operators are designing migration architectures that bridge current and future requirements. Higher bandwidth protocols like 25G, 100G, 400G, and 800G PAM4 technologies are rolling out in hyper-scale cloud environments, influencing design standards for enterprise and edge networks.

To support this evolution, Kocent Optec develops integrated optical portfolios. We offer passive and active components, including ultra-low-loss MPO/MTP modular cassettes, high-density patch panels, and advanced transceiver lines like 100G QSFP28, 200G QSFP56, and 800G OSFP modules. By aligning passive optical distribution networks (ODN) with modern transceivers, operators can transition smoothly, step-by-step, minimizing operational downtime and replacement costs.

Frequently Asked Questions

Clear, authoritative technical answers regarding the deployment, compatibility, and operation of 10G LRM transceivers.

1. What makes 10GBASE-LRM different from 10GBASE-SR and 10GBASE-LR?
10GBASE-SR operates at 850nm and supports short distances on OM3/OM4 fiber, but is limited on older OM1/OM2 fiber. 10GBASE-LR operates at 1310nm for long-distance single-mode fiber (up to 10km). 10GBASE-LRM operates at 1310nm on multi-mode fiber, utilizing Electronic Dispersion Compensation (EDC) to achieve a reach of up to 220 meters on legacy OM1/OM2 fibers.
2. Does a 10G LRM transceiver require a Mode Conditioning Patch (MCP) cord?
Under the IEEE 802.3aq specification, Mode Conditioning Patch cords are required when deploying LRM transceivers over standard FDDI-grade OM1 and OM2 fibers to avoid Differential Mode Delay (DMD). However, for OM3 fibers or specific localized link budgets, standard patch cables may be used, though utilizing MCP is always recommended to ensure stable link performance.
3. Can 10GBASE-LRM work over Single-Mode Fiber (SMF)?
Yes. The IEEE 802.3aq standard defines single-mode link support. A 10G LRM transceiver can support single-mode fiber up to 300 meters. Mode conditioning patch cords must be removed when connecting directly to single-mode fiber.
4. What is the role of Electronic Dispersion Compensation (EDC)?
EDC is an integrated DSP chip technology implemented in the receiver circuit of 10G LRM transceivers. As light pulses dispersion through multi-mode fiber, they spread and overlap, creating Inter-Symbol Interference (ISI). The EDC chip uses equalizers to reconstruct the electrical waveform, restoring signal integrity and enabling reliable data recovery.
5. How does Kocent Optec ensure compatibility with third-party switches?
Kocent Optec uses a comprehensive switch-compatibility testing lab with hardware from brands such as Cisco, Arista, Juniper, HP, Dell, and Huawei. We program and customize transceiver EEPROMs to match the specific configuration files of your host equipment, eliminating warning messages or port lockouts.
6. Can Kocent Optec handle OEM/ODM customizations?
Yes. We specialize in custom active transceivers and passive assemblies. Our services include customized EEPROM coding, private labeling, modified pull-tab designs, custom packaging, and specialty mode-conditioning cables to meet the requirements of network operators and large enterprise buyers.