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LS-MM851G-02C 1g sfp 850nm 2km duplex lc dom mmf optical transceiver module
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LINK-PP LS-MM851G-02C 1G SFP 850nm 2km Duplex LC DOM MMF Optical Transceiver Module

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Product summary

Product
LINK-PP LS-MM851G-02C 1G SFP 850nm 2km Duplex LC DOM MMF Optical Transceiver Module
SKU
209162
P/N
LS-MM851G-02C
Price
CA$ 13.9
Stock
262 in Stock
Sold
1.8K
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25 Reviews
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Manufacture: LINK-PP P/N: LS-MM851G-02C SKU: 209162
Compatible:
LINK-PP
Shipping:
Free Shipping
to Canada via FedEx
Estimated delivery time : 3 - 10 days.
5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
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LINK-PP LS-MM851G-02C 1G SFP Specifications

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

Key Features of LINK-PP LS-MM851G-02C 1G SFP

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.

LINK-PP LS-MM851G-02C 1G SFP Optical Module

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.

LS-MM851G-02C: 1 Gbps Connectivity for Intra-Facility Fiber Links

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.

LS-MM851G-02C Module with 850nm Wavelength

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.

LS-MM851G-02C Module Supporting 2km Transmission

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.

LS-MM851G-02C Module with Duplex LC Interface

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.

LS-MM851G-02C Module with DDM for Real-Time Monitoring

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 1G SFP Certification

LINK-PP LS-MM851G-02C is manufactured under strict ISO 9001 standards and carries official CE, RoHS, and FCC certifications to ensure global compliance.

Optical Transceivers Testing

Every transceiver undergoes rigorous hardware and optical signal validation to guarantee long-term stability before shipping.

LS-MM851G-02C Quality Certifications

These industry credentials verify that the module meets all international safety, environmental protection, and electromagnetic interference regulations.

LS-MM851G-02C Certified for Reliable Host-Device Compatibility

The module is thoroughly tested across multiple network platforms to ensure seamless plug-and-play operation without system errors.


Rigorous Testing Ensures Reliable SFP Performance

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.

Optical

Optical Spectrum Test

Verify precise laser wavelength output to prevent optical signal distortion.

Optical

Eye Pattern Test

Analyze signal integrity to ensure clean and stable data waveforms.

Optical

Bit Error Rate Test

Measure data transmission accuracy to eliminate potential network packet loss.

Optical

Temperature Test

Check structural stability under standard thermal conditions to maintain continuous runtime.


Product Shipping for LINK-PP LS-MM851G-02C 1G SFP

We use secure packaging and reliable transit networks to ensure your SFP optical modules arrive safely and quickly.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Protect sensitive internal components from electrostatic discharge during transit.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Shield the optical hardware against physical impacts during handling.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Accelerate warehouse fulfillment to minimize lead times for clients.

Global Logistics and International Delivery

Global Logistics and International Delivery

Coordinate with top carrier services for reliable worldwide distribution.

LINK-PP LS-MM851G-02C 1G SFP Usage Demonstration

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.

LS-MM851G-02C Technical Support

LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.

Pre-Sales Technical Consultation

Pre-Sales Technical Consultation

Professional guidance to help you select the optimal LS-MM851G-02C module for your network design and application needs.

Compatibility Verification Support

Compatibility Verification Support

Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.

Deployment & Installation Assistance

Deployment & Installation Assistance

Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.

Long-Term Technical Assurance

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.

LINK-PP LS-MM851G-02C 1G SFP After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15 days

15-day no-reason return and refund

Free maintenance or replacement

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

LINK-PP

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N***z
Brunei Darussalam
Verified Purchase
5 .0
2026-05-18
Replaced legacy optical modules that were prone to intermittent thermal drift with these LINK-PP units. Clean signal reception and stable wavelength tolerance solved our recurring port flapping issue completely.
H***r
Ireland
Verified Purchase
5 .0
2026-04-29
Works in hot indoor racks, the commercial temperature range is fine.
Q***t
Libyan Arab Jamahiriya
Verified Purchase
5 .0
2026-03-14
Purchased for a small data center expansion. These commercial-grade SFPs slot into our gigabit switches without compatibility headaches. The duplex LC interface matched our existing OM2/OM3 multi-mode fiber runs. TX bias and RX power readings via DDM are stable. No complaints so far.
B***s
Belgium
Verified Purchase
5 .0
2026-03-04
Used these 850nm SFP modules to interconnect two office blocks over multi-mode fiber cabling without any packet loss.
E***e
Romania
Verified Purchase
5 .0
2026-02-24
Great multi-mode 1G SFP module, 2km reach is perfect for our building links.
T***z
Maldives
Verified Purchase
5 .0
2026-02-10
Our telecom lab performs extensive compatibility testing on third-party SFP modules before approving them for client deployments. The LS-MM851G-02C passed all our tests: 1.25Gbps line rate, 850nm center wavelength, and full DDM/DOM functionality. We verified TX power and RX sensitivity across multiple switch platforms. The duplex LC connector mates cleanly with our MMF patch panels, and the module’s power consumption is in line with industry norms. We’ve used these in base station backhaul projects where multi-mode fiber is already in place, and they’ve been rock solid.
K***l
Bulgaria
Verified Purchase
5 .0
2026-01-18
Upgraded our server room connectivity with 30 of these duplex LC modules over OM4 patch cords. Link attenuation is virtually nonexistent and latency remains rock solid during peak traffic hours. A cost-effective solution for short-to-medium range fiber backbones.
F***n
Ukraine
Verified Purchase
5 .0
2025-12-30
DOM monitoring is a lifesaver for quick TX/RX checks.
U***t
Nepal
Verified Purchase
5 .0
2025-12-12
We manage fiber infrastructure for a smart city project, including traffic cameras and public Wi-Fi hotspots. These 1G SFP modules are deployed in aggregation switches that connect remote nodes to our core. The 2km reach gives us headroom even on longer multi-mode runs, and the 850nm wavelength is compatible with our existing OM3 fiber. We’ve stress-tested these in hot summer conditions (up to 55°C in cabinets) and they’ve held steady. For the price, these are a no-brainer for commercial-grade multimode deployments.
A***t
Austria
Verified Purchase
5 .0
2025-11-28
Real-time DOM metrics are spot on and optical power levels remain completely stable.
P***n
Lithuania
Verified Purchase
5 .0
2025-11-05
We deployed these LS-MM851G-02C transceiver modules across our office fiber backbone. The 850nm wavelength and 2km distance spec handle our inter-building links without any signal loss. DOM data is accurate and helps our NOC team monitor optical power levels remotely. Very satisfied with this batch.
J***r
Hungary
Verified Purchase
5 .0
2025-10-15
Used these 850nm 2km SFP modules for local base station backhaul links in indoor telecom cabinets. Transceiver detection was immediate, and digital optical monitoring reports accurate RX/TX power levels in real time. Great engineering quality for standard commercial environments.
Z***d
United Arab Emirates
Verified Purchase
4 .0
2025-10-01
The optical transceivers themselves are spot-on — plugged all 10 modules into our commercial switch stack and verified full gigabit line rate with active DOM tracking. However, international customs holding at the import hub delayed local delivery by 3 business days. If you are ordering for tight deployment schedules, allocate a few extra days for customs transit. Product quality itself is excellent!
R***e
Morocco
Verified Purchase
5 .0
2025-09-26
Great value for a DOM-enabled 1G SFP. We needed multi-mode modules for our campus fiber ring and these fit the bill. The 2km spec gives us plenty of margin even on longer MMF runs. No interoperability issues with our core switches.
C***s
Finland
Verified Purchase
5 .0
2025-09-17
Linked our storage array to the core switch seamlessly over 850nm multi-mode fiber.
L***s
Denmark
Verified Purchase
5 .0
2025-08-21
Thermal management was our main concern for densely populated switch chassis. These commercial-grade transceivers draw minimal power and operate consistently between 30°C and 38°C under heavy line-rate throughput. Highly recommended for neat and cool rack management.
W***n
Iran, Islamic Republic of
Verified Purchase
4 .0
2025-08-11
Solid 850nm SFP for multi-mode fiber, and the 2km reach is as advertised. Docking one star because shipping took longer than expected, and the tracking info was sparse. Product itself is fine, just wish the logistics were smoother.
G***e
Turkey
Verified Purchase
5 .0
2025-07-11
Dual LC connector fits our existing multi-mode fiber patch panels perfectly.
S***n
Macao
Verified Purchase
5 .0
2025-07-02
We run a large campus network with multiple buildings connected via multi-mode fiber. After testing several vendors, we standardized on these LINK-PP 1G SFP modules. The 850nm wavelength and 2km distance spec align perfectly with our OM2/OM3 runs, which are all under 1.5km. DOM support is critical for our NOC—we pull TX bias, RX power, and temperature data via SNMP and feed it into our monitoring dashboard. Over 3 months and 200+ units deployed, we’ve had zero field failures. The commercial temperature range (0–70°C) is adequate for our indoor racks and climate-controlled outdoor cabinets.
M***b
Belarus
Verified Purchase
5 .0
2025-06-04
Deployed these 1G SFP modules to aggregate security camera feeds across a large logistics facility over 1.5km of MMF lines. Video streams remain smooth without dropouts or frame drops. DDM light-level tracking makes preventive maintenance super straightforward.
V***s
Bangladesh
Verified Purchase
5 .0
2025-05-27
Our data center uses a mix of single-mode and multi-mode fiber for different segments. For the multi-mode sections (mainly intra-rack and adjacent-rack links), we rely on these LS-MM851G-02C 850nm SFP modules. DDM support lets us track transceiver health and catch fiber degradation early. We’ve run these in high-density switch chassis with no thermal issues—the commercial temp range is fine for our climate-controlled environment. Build quality is solid, and the duplex LC latches feel durable after repeated insertions.
D***l
Poland
Verified Purchase
5 .0
2025-05-03
Running smoothly at 34°C inside our main equipment room cabinet.
O***t
Cambodia
Verified Purchase
5 .0
2025-04-16
Installed 12 units of LS-MM851G-02C 1G SFP in indoor wall-mount distribution boxes. Link handshakes occurred instantly and DOM interface reported proper operating voltage and laser bias current. Perfect fit for standard commercial indoor networks.
Z***n
New Zealand
Verified Purchase
5 .0
2025-04-07
Plugged 20 of these multi-mode SFP modules into our distribution switches and all links came up instantly at 1G line rate.
I***n
Israel
Verified Purchase
5 .0
2025-03-08
We needed to connect three separate office blocks over existing multi-mode fiber runs averaging 1.2km. These LS-MM851G-02C SFP modules locked in 1Gbps link speed immediately. Optical power telemetry shows clean reception margins across every pair. Will definitely order another batch for our next site expansion!
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