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LS-MM851G-02C operates as a 1G multi-mode SFP optical module that handles reliable 2km data transmissions over 50/125µm MMF at an 850nm wavelength, featuring real-time digital diagnostic monitoring across a standard 0 to +70°C temperature range.
| LINK-PP Part Number | LS-MM851G-02C | Vendor Name | LINK-PP |
| Form Factor | SFP | Max Data Rate | 1.25Gbps |
| Wavelength | 850nm | Max Cable Distance | 2km |
| Connector | Duplex LC | Media | MMF |
| Transmitter Type |
VSCEL | Receiver Type |
PIN |
| TX Power | -9 to 0dBm | RX Power | -20 to -1dBm |
| Receiver Sensitivity | -18dBm | DOM Support | Yes |
| Operating Temperature Range | 0 to 70°C | Protocols |
IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant |
LINK-PP LS-MM851G-02C is a commercial-grade 1G SFP optical transceiver designed for reliable data links over short-to-medium distances. It combines a stable 850nm wavelength, duplex LC interface, and digital diagnostic monitoring to deliver consistent network operations. This module provides an efficient hardware foundation for secure and steady enterprise fiber infrastructure.
This module features an advanced 850nm VCSEL laser and a sensitive PIN photo detector to ensure stable optical signal transmission. The integration of these premium components guarantees low power consumption and precise data conversion. It is built to meet strict commercial standards for long-term operational reliability.
This transceiver provides a steady 1Gbps data rate to maintain smooth bandwidth distribution across corporate local area networks. It serves as an ideal solution for interconnecting switches, routers, and servers within the same building or facility. The reliable gigabit throughput ensures seamless daily business communications.
Operating at a standard 850nm wavelength, this module is optimized for short-wavelength multi-mode fiber systems. It ensures minimal signal distortion and maximum compatibility with existing multi-mode network setups. This precise optical specification allows for efficient and clean data pathing.
This optical transceiver reliably supports data transmission distances up to 2km when paired with 50/125µm multi-mode fiber (MMF). This extended range makes it perfect for spanning connections across larger office floors or campus networks. It bridges localized hardware setups without requiring expensive single-mode conversions.
Equipped with an industry-standard duplex LC connector, the module allows for quick, tight, and secure fiber cable attachments. This interface design ensures low insertion loss and prevents accidental disconnects in dense patch panels. It simplifies physical network installation and maintenance for field technicians.
The built-in Digital Diagnostic Monitoring provides real-time tracking of critical parameters like temperature, voltage, and laser power. IT managers can proactively view these diagnostic metrics to detect anomalies before a link failure occurs. This active supervision helps maintain maximum network uptime and stability.
LINK-PP LS-MM851G-02C is manufactured under strict ISO 9001 standards and carries official CE, RoHS, and FCC certifications to ensure global compliance.
Every transceiver undergoes rigorous hardware and optical signal validation to guarantee long-term stability before shipping.
These industry credentials verify that the module meets all international safety, environmental protection, and electromagnetic interference regulations.
The module is thoroughly tested across multiple network platforms to ensure seamless plug-and-play operation without system errors.
Every SFP optical module undergoes thorough hardware screening to verify signal integrity before delivery, and you can explore the technical evaluation processes at the LINK-PP Test Support Center.
Verify precise laser wavelength output to prevent optical signal distortion.
Analyze signal integrity to ensure clean and stable data waveforms.
Measure data transmission accuracy to eliminate potential network packet loss.
Check structural stability under standard thermal conditions to maintain continuous runtime.
We use secure packaging and reliable transit networks to ensure your SFP optical modules arrive safely and quickly.
Protect sensitive internal components from electrostatic discharge during transit.
Shield the optical hardware against physical impacts during handling.
Accelerate warehouse fulfillment to minimize lead times for clients.
Coordinate with top carrier services for reliable worldwide distribution.
Simply plug the LS-MM851G-02C optical module into any standard SFP port and connect your duplex LC multi-mode fiber cable for instant setup. It is ideal for connecting enterprise switches, routers, and servers within corporate networks, data centers, and campus building links.
LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.
Professional guidance to help you select the optimal LS-MM851G-02C module for your network design and application needs.
Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.
Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.
Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
Compatible | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Data Rate (Max) | 1.25Gbps | 1.25Gbps | 1.25Gbps | 1.25Gbps |
Wavelength | 850nm | 850nm | 1310nm | 1310nm |
Connector | Duplex LC | Duplex LC | Duplex LC | Duplex LC |
Cable Distance (Max) | 2km | 2km | 2km | 2km |
Cable Type | MMF | MMF | MMF | MMF |
TX Power | -9 to 0dBm | -9 to 0dBm | -12 to -3dBm | -12 to -3dBm |
Receiver Sensitivity | -18dBm | -18dBm | -30dBm | -30dBm |
Operating Temperature | 0 to 70°C | -40 to 85°C | 0 to 70°C | -40 to 85°C |
Form Factor | SFP | SFP | SFP | SFP |
Transmitter Type | VSCEL | VSCEL | FP | FP |
Receiver Type | PIN | PIN | PIN | PIN |
DOM Support | Yes | Yes | ||
Protocols | IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant | IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant | SFF-8472 MSA IEEE 802.3 | SFF-8472 MSA IEEE 802.3 |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
Q: We have hot-swappable 1G slots on our rack servers. Can we hot-plug these in live environments without downing the rack? By F***n on 2026-04-02
A: Absolutely, the SFP footprint is fully hot-pluggable. You can swap them live without interrupting the rest of the chassis. By admin on 2026-04-03
Q: Does this module support digital diagnostics on the switch so our IT team can check optical power levels remotely? By I***r on 2026-03-29
A: Yes! The LS-MM851G-02C module supports SFF-8472 digital diagnostics functions. Your switch management interface will display real-time optical output/input power, supply voltage, operating temperature, and laser bias current. By admin on 2026-03-30
Q: Our legacy building is wired with older 50/125µm multi-mode fiber. Can these reach our distribution switch 1.5km away? By G***r on 2025-11-18
A: Yes, the 850nm VCSEL laser is optimized to push a 1G signal up to 2km on standard 50/125µm MMF. You will have plenty of distance headroom. By admin on 2025-11-19
Q: We are hooking up NAS arrays with standard OM3 patch cables. Does this take a single LC or dual LC connector? By H***r on 2025-07-27
A: It uses a standard duplex LC receptacle for transmit and receive. Just plug in a standard duplex LC patch cord and you are good to go. By admin on 2025-07-28
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