We are upgrading links in an older storage room running 1G Fiber Channel alongside standard Gigabit Ethernet. Does this transceiver support 1.063Gbps FC, or is it strictly 1.25Gbps Ethernet?

It supports both. The transceiver is rated for data rates up to 1.25 Gbps, covering both 1.25 Gbps Gigabit Ethernet and legacy 1.063 Gbps Fiber Channel SAN applications.

We have an existing multi-mode fiber link connecting two campus buildings about 1.5km apart. Standard SX optics drop off way before that. Will this module reach 1.5km over MMF without issues?

Yes, absolutely. The LS-MM311G-02AC module uses a 1310nm FP laser designed specifically to extend multi-mode reach up to 2km, making it ideal for campus spans that exceed 550m limits.

If we need to replace a failing link during production hours, can our technicians plug this module straight into an active switch port, or do we have to shut down the slot first?

You can plug it in directly. The module features a standard hot-pluggable SFP footprint, so your team can insert or remove it on a live device without rebooting the switch or interrupting other ports.

I have high-density 48-port switch line cards and need to ensure thermal and power limits aren't exceeded. What power feed does this optic require?

It operates on a single standard +3.3V power rail compliant with the SFP MSA. Its low-power draw makes it suitable for high-density deployments without overloading switch power supplies.

I'm ordering patch cords alongside these optical transceivers. What connector type does this transceiver use, and is it a single-strand or dual-strand setup?

The module uses a duplex LC receptacle. You will need a standard duplex LC multimode patch cord (two fibers: one for transmit, one for receive).

Breadcrumb: Home; Products; Optics Transceivers | SFP Modules; 1/2/4G Transceiver Modules; 1G SFP; 219993

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LINK-PP LS-MM311G-02AC 1G SFP 1310nm 2km Duplex LC DOM MMF Optical Transceiver Module (Customized)

Name: LINK-PP LS-MM311G-02AC 1G SFP 1310nm 2km Duplex LC DOM MMF Optical Transceiver Module (Customized)
Brand: LINK-PP
SKU: 219993
Price: 9.284 SGD
Availability: InStock
Rating: 4.9 (19 reviews)

Product: LINK-PP LS-MM311G-02AC 1G SFP 1310nm 2km Duplex LC DOM MMF Optical Transceiver Module (Customized)
SKU: 219993
P/N: LS-MM311G-02AC
Price: SGD 10.795
Stock: 90 in Stock
Sold: 520
Product URL: https://www.l-p.com/products/496383.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

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19 Reviews

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520 Sold

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Manufacture: LINK-PP P/N: LS-MM311G-02AC SKU: 219993

Compatible:: LINK-PP

Compatible P/N:: LS-MM851G-S5C | 550m; LS-MM851G-S5I | 550m; LS-MM311G-02AC | 2km; LS-MM311G-02AI | 2km; LS-MM311G-02C | 2km; LS-MM311G-02I | 2km; LS-MM851G-02C | 2km; LS-MM851G-02I | 2km

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Estimated delivery time : 3 - 10 days.

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LINK-PP LS-MM311G-02AC 1G SFP Specifications

LS-MM311G-02AC is a hot-pluggable 1G SFP optical module engineered for 1310nm multi-mode fiber connections reaching up to 2km via its FP laser and PIN photodetector assembly. The module supports real-time digital optical monitoring (DOM) diagnostics and is rated for commercial operating environments from 0°C to +70°C.

LINK-PP Part Number	LS-MM311G-02AC	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1310nm	Max Cable Distance	2km
Connector	Duplex LC	Media	MMF
Transmitter Type	FP	Receiver Type	PIN
TX Power	-12 to -3dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	-30dBm	DDM/DOM	Supported
Operating Temperature Range	0 to 70°C	Protocols	SFF-8472 MSA IEEE 802.3

Key Features of LINK-PP LS-MM311G-02AC 1G SFP

LINK-PP LS-MM311G-02AC is a commercial-grade 1G SFP optical transceiver module designed to deliver stable 1310nm multimode fiber transmission up to 2km via a duplex LC interface. It combines standard hot-pluggable hardware compliance with real-time digital diagnostic monitoring to ensure dependable optical interconnects in enterprise environments.

LINK-PP LS-MM311G-02AC 1G SFP Optical Module

Engineered with a hot-pluggable SFP+ footprint, this optical transceiver module allows quick hardware installation and replacement without powering down host switches. The module fully complies with SFP+ MSA specifications, ensuring broad physical and electrical compatibility across standard networking platforms.

LS-MM311G-02AC: 1 Gbps Connectivity for Enterprise Switch Uplinks

Dedicated 1Gbps data throughput enables smooth traffic aggregation across enterprise access switches and distribution routers. This steady bandwidth handles daily corporate data transfers and critical server backbone links without introducing signal latency.

LS-MM311G-02AC Module with 1310nm Wavelength

A precise 1310nm central wavelength utilizes an FP laser transmitter to maintain optical beam clarity across multi-mode fiber cores. Operating at this specific optical window minimizes signal dispersion over longer multimode fiber installations compared to traditional 850nm links.

LS-MM311G-02AC Module Supporting 2km Transmission

Extended reach capabilities allow the optical link to span distances up to 2km over standard multi-mode fiber infrastructure. This transmission distance effectively bridges separate campus buildings and wide-area factory facilities without requiring expensive single-mode fiber upgrades.

LS-MM311G-02AC Module with Duplex LC Interface

The industry-standard duplex LC optical receptacle ensures secure fiber patch cable latching and low insertion loss. Its compact dual-port layout maximizes port density on high-count patch panels and core enterprise networking equipment.

LS-MM311G-02AC Module with DOM for Real-Time Monitoring

Internal digital optical monitoring provides live telemetry for optical power, supply voltage, laser bias current, and module temperature. Built-in compliance with SFF-8472 digital diagnostic functions allows network administrators to troubleshoot optical link health directly through switch software interfaces.

LINK-PP LS-MM311G-02AC 1G SFP Certification

LINK-PP LS-MM311G-02AC 1G SFP module complies with international safety and quality standards, including ISO 9001, CE, RoHS, and FCC certifications. These credentials verify that every optical transceiver meets strict manufacturing guidelines and environmental safety regulations for global deployments.

LS-MM311G-02AC Quality Testing Program

Each SFP optical transceiver undergoes rigorous hardware inspections, including optical spectrum tests, eye diagram checks, and bit error rate analysis before shipping. These comprehensive procedures ensure every unit delivers consistent data transmission and dependable physical reliability.

LS-MM311G-02AC Quality Certifications

Official certifications verify that the module meets strict global standards for safety and low electromagnetic interference. Standardized factory production also ensures every batch provides stable quality and safe environmental operation.

LS-MM311G-02AC Certified for Reliable Host-Device Compatibility

Targeted interoperability testing verifies seamless plug-and-play operation across leading brands of enterprise switches, routers, and firewalls. Precise EEPROM coding ensures the host system instantly recognizes the module without port errors or configuration delays.

Rigorous Testing Ensures Reliable SFP Performance

Every LS-MM311G-02AC 1G SFP transceiver undergoes strict hardware testing to guarantee stable data transmission and long-term durability in enterprise environments. To explore our complete evaluation procedures, visit the LINK-PP Test Support Center.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Measure central wavelength and spectral width to verify signal accuracy.

Eye Pattern Test

Analyze signal waveform quality to confirm clear optical transmission margins.

Bit Error Rate Test

Check data packet integrity to prevent packet loss during transmission.

Temperature Test

Evaluate thermal performance under varying conditions to ensure continuous operation.

Product Shipping for LINK-PP LS-MM311G-02AC 1G SFP

We utilize secure packing methods and reliable courier services to ensure every optical transceiver arrives in perfect condition. Our streamlined logistics workflow enables fast dispatch and dependable delivery for customers worldwide.

Anti-Static Protective Packaging

Shield delicate electronic components against electrostatic discharge during handling.

Shock-Resistant Transport Protection

Protect modules from physical impacts and vibrations during transit.

Fast Order Processing and Dispatch

Prepare and release outbound orders quickly to minimize lead times.

Global Logistics and International Delivery

Ship products worldwide through established international carriers for timely arrival.

LINK-PP LS-MM311G-02AC 1G SFP Usage Demonstration

Installing the LINK-PP LS-MM311G-02AC SFP module requires simple hot-plug insertion into the host switch port before latching the duplex LC multimode fiber cable. This plug-and-play transceiver establishes dependable enterprise switch uplinks, linking floor distribution switches directly to central aggregation panels across campus networks.

LS-MM311G-02AC 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

Professional guidance to help you select the optimal LS-MM311G-02AC module for your network design and application needs.

Compatibility Verification Support

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

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

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

LINK-PP LS-MM311G-02AC 1G SFP After-Sales Assurance

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

Model Comparison Table

	Current Model LS-MM311G-02AC	LS-MM311G-02AI	LS-MM851G-02C	LS-MM851G-02I

Compatible	LINK-PP	LINK-PP	LINK-PP	LINK-PP
Data Rate (Max)	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps
Wavelength	1310nm	1310nm	850nm	850nm
Connector	Duplex LC	Duplex LC	Duplex LC	Duplex LC
Cable Distance (Max)	2km	2km	2km	2km
Cable Type	MMF	MMF	MMF	MMF
TX Power	-12 to -3dBm	-12 to -3dBm	-9 to 0dBm	-9 to 0dBm
Receiver Sensitivity	-30dBm	-30dBm	-18dBm	-18dBm
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	FP	FP	VSCEL	VSCEL
Receiver Type	PIN	PIN	PIN	PIN
DDM/DOM	Supported	Supported	Yes	Yes
Protocols	SFF-8472 MSA IEEE 802.3	SFF-8472 MSA IEEE 802.3	IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant	IEEE 802.3z, SFF-8472, FC-PI, SFP MSA (INF-8074i) Compliant

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Questions & Answers
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Q: We are upgrading links in an older storage room running 1G Fiber Channel alongside standard Gigabit Ethernet. Does this transceiver support 1.063Gbps FC, or is it strictly 1.25Gbps Ethernet? By J***z on 2026-05-08

A: It supports both. The transceiver is rated for data rates up to 1.25 Gbps, covering both 1.25 Gbps Gigabit Ethernet and legacy 1.063 Gbps Fiber Channel SAN applications. By admin on 2026-05-09
Q: We have an existing multi-mode fiber link connecting two campus buildings about 1.5km apart. Standard SX optics drop off way before that. Will this module reach 1.5km over MMF without issues? By D***s on 2026-02-16

A: Yes, absolutely. The LS-MM311G-02AC module uses a 1310nm FP laser designed specifically to extend multi-mode reach up to 2km, making it ideal for campus spans that exceed 550m limits. By admin on 2026-02-17
Q: If we need to replace a failing link during production hours, can our technicians plug this module straight into an active switch port, or do we have to shut down the slot first? By W***y on 2025-12-11

A: You can plug it in directly. The module features a standard hot-pluggable SFP footprint, so your team can insert or remove it on a live device without rebooting the switch or interrupting other ports. By admin on 2025-12-12
Q: I have high-density 48-port switch line cards and need to ensure thermal and power limits aren't exceeded. What power feed does this optic require? By N***g on 2025-09-20

A: It operates on a single standard +3.3V power rail compliant with the SFP MSA. Its low-power draw makes it suitable for high-density deployments without overloading switch power supplies. By admin on 2025-09-21
Q: I'm ordering patch cords alongside these optical transceivers. What connector type does this transceiver use, and is it a single-strand or dual-strand setup? By M***s on 2025-07-22

A: The module uses a duplex LC receptacle. You will need a standard duplex LC multimode patch cord (two fibers: one for transmit, one for receive). By admin on 2025-07-23

Customer Reviews
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J***n

Indonesia

Verified Purchase

5 .0

2026-06-07

Clean DDM readings on my switch.

46 Helpful vote Comments

A***e

Romania

Verified Purchase

5 .0

2026-05-30

Ran a 1.7km multimode fiber line between our workshop and main office. Latency is practically zero, speed tests run at full gigabit, and the modules run cool without overheating. :-D

89 Helpful vote Comments

H***s

Norway

Verified Purchase

5 .0

2026-05-15

Solved our distance issue across the warehouse. Standard multimode transceivers could not cover the run, but this 1310nm 2km SFP module worked right away out of the box. :)

76 Helpful vote Comments

R***s

Maldives

Verified Purchase

5 .0

2026-04-16

We used these to link two buildings over older multimode fiber. Our old 850nm optics failed because the distance was too long, but this 1310nm model handled the 1.5km run easily. Link is stable, optical power is great, and large file transfers never drop.

84 Helpful vote Comments

S***y

India

Verified Purchase

5 .0

2026-03-04

Bought 20 units for our company campus upgrade. Easy plug-and-play setup on all our switches. Optical power levels look balanced on every port.

101 Helpful vote Comments

S***l

Japan

Verified Purchase

5 .0

2026-02-27

Solid 1G SFP module, works great.

53 Helpful vote Comments

E***z

Ireland

Verified Purchase

4 .0

2026-02-11

The modules themselves work perfectly, but the outer carton arrived slightly crushed. Each SFP was still protected inside and passed our link test, so no functional issue.

22 Helpful vote Comments

J***l

Spain

Verified Purchase

5 .0

2026-01-09

Used these 1310nm multimode SFP modules for a small factory network refresh. Link came up at 1Gbps on both ends, and the duplex LC connection seated firmly. No compatibility complaints from the maintenance team so far.

92 Helpful vote Comments

R***n

Argentina

Verified Purchase

5 .0

2025-12-27

Deployed 20 of these SFP modules in our server room for backup storage connections. Signal power is clean, and our monitoring software reads all the fiber data easily. Very dependable hardware for everyday network setups.

76 Helpful vote Comments

E***l

Cambodia

Verified Purchase

5 .0

2025-12-08

Plugged in and linked up instantly.

47 Helpful vote Comments

P***d

India

Verified Purchase

5 .0

2025-11-17

Solid choice for a managed campus fiber network. The 1310nm MMF optic avoided a cable replacement project, and our switch reported temperature, voltage, TX power, and RX power through DOM without extra configuration.

106 Helpful vote Comments

C***e

Brazil

Verified Purchase

5 .0

2025-09-29

Used this SFP module to connect two office buildings over multimode fiber. Linked up at full 1G speed immediately with no packet loss. Real-time DDM monitoring shows up clearly on my switch dashboard.

83 Helpful vote Comments

D***s

Israel

Verified Purchase

5 .0

2025-08-25

This 2km multimode module saved us from running expensive new cables across our site. It locked onto the gigabit connection with zero errors.

91 Helpful vote Comments

R***s

Malaysia

Verified Purchase

5 .0

2025-07-14

Reliable 2km fiber link, zero issues.

42 Helpful vote Comments

A***g

Poland

Verified Purchase

5 .0

2025-06-03

Installed these in network cabinets across a large school campus. The cabinets get warm during the afternoon, but the modules stay stable within normal operating temperatures. Great affordable solution for extending 1G duplex LC links well past normal fiber limits. :-)

121 Helpful vote Comments

M***l

Australia

Verified Purchase

5 .0

2025-05-02

Connected our security camera switch to the main server rack over a 1.2km multimode fiber cable. Signal levels are strong, and the link has been rock solid for weeks.

85 Helpful vote Comments

J***z

Turkey

Verified Purchase

5 .0

2025-04-09

Perfect solution for extending our office network over existing multimode fiber without paying for new cables. Our switches detected the modules right away, optical signals are clean, and internet traffic runs smoothly without any lag.

102 Helpful vote Comments

D***z

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2025-03-11

Fast shipping, high-quality fiber optic transceiver.

58 Helpful vote Comments

J***n

Poland

Verified Purchase

5 .0

2025-02-16

We installed eight LS-MM311G-02AC modules between office buildings on an older OM2 backbone. The 2km-rated 1G SFP gave us enough margin for the actual route, which is just under 1.4km. DOM values have been stable for three weeks =D

116 Helpful vote Comments

Verified Purchase

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Moxa SFP-1GLHLC Compatible LINK-PP 1.25G SFP 1310nm 40km Duplex LC DOM SMF Optical Transceiver Module

25 Reviews
|
1.4K Sold

SGD 13.97 ~~SGD 0.00~~

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Juniper

SP7041-M1-JN | 100m

Juniper SP7041-M1-JN Compatible LINK-PP 1000BASE-T SFP Copper 100m RJ-45 Transceiver Module (Industrial)

38 Reviews
|
7.2K Sold

SGD 26.035 ~~SGD 0.00~~

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Zyxel

SFP-SX-D | 550m

Zyxel SFP-SX-D Compatible LINK-PP 1G SFP 850nm 550m Duplex LC DOM MMF Optical Transceiver Module

29 Reviews
|
1.6K Sold

SGD 8.878 ~~SGD 0.00~~

{"pid":497956,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226242,"cid":752,"pid":497956,"sku":"226242","psvid1":332075,"psvid2":332076,"psvid3":0,"psvid4":0,"left_num":304,"price":"6.990","strike_price":"0.000","innercode":"","addtime":"2026-09-09 01:45:07","uptime":"2026-09-09 01:45:08","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"6.99","subtotal":6.99}]}
Finisar

FCLF-8521-3 | 100m

Finisar FCLF-8521-3 Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ45 Transceiver Module (Industrial)

15 Reviews
|
4.5K Sold

SGD 26.035 ~~SGD 0.00~~

{"pid":497952,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226236,"cid":752,"pid":497952,"sku":"226236","psvid1":332065,"psvid2":332066,"psvid3":0,"psvid4":0,"left_num":208,"price":"20.500","strike_price":"0.000","innercode":"","addtime":"2026-09-09 00:15:41","uptime":"2026-09-09 00:15:41","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"20.5","subtotal":20.5}]}
Juniper

SFP-1GE-FE-E-T | 100m

Juniper SFP-1GE-FE-E-T Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ-45 Transceiver Module

12 Reviews
|
4.8K Sold

SGD 31.75 ~~SGD 0.00~~

{"pid":497931,"minimum_ordered_quantity":1,"skulist":[{"pskuid":226211,"cid":752,"pid":497931,"sku":"226211","psvid1":332015,"psvid2":332016,"psvid3":0,"psvid4":0,"left_num":620,"price":"25.000","strike_price":"0.000","innercode":"","addtime":"2026-09-08 01:14:16","uptime":"2026-09-08 01:14:16","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"25","subtotal":25}]}
Meraki

MA-SFP-1GB-LX10 | 10km

Meraki MA-SFP-1GB-LX10 Compatible LINK-PP 1G SFP 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

31 Reviews
|
831 Sold

SGD 15.875 ~~SGD 0.00~~

{"pid":497849,"minimum_ordered_quantity":1,"skulist":[{"pskuid":225757,"cid":752,"pid":497849,"sku":"225757","psvid1":331111,"psvid2":331112,"psvid3":0,"psvid4":0,"left_num":2370,"price":"12.500","strike_price":"0.000","innercode":"","addtime":"2026-09-04 00:58:24","uptime":"2026-09-04 00:58:25","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"12.5","subtotal":12.5}]}

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LINK-PP LS-MM311G-02AC 1G SFP 1310nm 2km Duplex LC DOM MMF Optical Transceiver Module (Customized)

Product summary

Product Details

LINK-PP LS-MM311G-02AC 1G SFP Specifications

Key Features of LINK-PP LS-MM311G-02AC 1G SFP

LINK-PP LS-MM311G-02AC 1G SFP Optical Module

LS-MM311G-02AC: 1 Gbps Connectivity for Enterprise Switch Uplinks

LS-MM311G-02AC Module with 1310nm Wavelength

LS-MM311G-02AC Module Supporting 2km Transmission

LS-MM311G-02AC Module with Duplex LC Interface

LS-MM311G-02AC Module with DOM for Real-Time Monitoring

LINK-PP LS-MM311G-02AC 1G SFP Certification

LS-MM311G-02AC Quality Testing Program

LS-MM311G-02AC Quality Certifications

LS-MM311G-02AC Certified for Reliable Host-Device Compatibility

Rigorous Testing Ensures Reliable SFP Performance

Optical Spectrum Test

Eye Pattern Test

Bit Error Rate Test

Temperature Test

Product Shipping for LINK-PP LS-MM311G-02AC 1G SFP

Anti-Static Protective Packaging

Shock-Resistant Transport Protection

Fast Order Processing and Dispatch

Global Logistics and International Delivery

LINK-PP LS-MM311G-02AC 1G SFP Usage Demonstration

LS-MM311G-02AC Technical Support

Pre-Sales Technical Consultation

Compatibility Verification Support

Deployment & Installation Assistance

Long-Term Technical Assurance

LINK-PP LS-MM311G-02AC 1G SFP After-Sales Assurance

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LINK-PP LS-MM311G-02AC 1G SFP 1310nm 2km Duplex LC DOM MMF Optical Transceiver Module (Customized)

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