1.25Gbps 1000BASE-LX/LH SFP 1310nm 10km Transceiver

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  • 1.25Gbps 1000BASE-LX/LH SFP 1310nm 10km Transceiver
  • 1.25Gbps 1000BASE-LX/LH SFP 1310nm 10km Transceiver
  • 1.25Gbps 1000BASE-LX/LH SFP 1310nm 10km Transceiver
  • 1.25Gbps 1000BASE-LX/LH SFP 1310nm 10km Transceiver
  • 1.25Gbps 1000BASE-LX/LH SFP 1310nm 10km Transceiver

1.25Gbps 1000BASE-LX/LH SFP 1310nm 10km Transceiver

Product Item: #140
P/N: SFP-1G31-10

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Order Today, Ship before 10/21/2021, from U.S. or HK
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1.25Gbps SFP Transceiver 1000BASE-LX/LH SFP 1310nm 10km Transceiver



SFP-1G31-10 1000BASE-LX/LH 1310nm 10km SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 10km transmission distance with SMF. The transceiver consists of three sections: a FP laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.


Key Features

  • Data-rate of 1.25Gbps/1.063Gbps operation
  • 10km with 9/125 µm SMF
  • 1310nm FP laser and PIN photodetector for 10km transmission
  • Hot-pluggable SFP footprint duplex LC connector Interface
  • Class 1 FDA and IEC60825-1 Laser Safety Compliant
  • Compatible with SFP MSA
  • Compatible with SFF-8472
  • +3.3V single power supply and TTL Logic Interface
  • Average Output Power:-9~ -3dBm
  • Receiver Sensitivity:-21dBm



  • Gigabit Ethernet
  • Fiber Channel Switch Infrastructure
  • Other optical transmission systems


Ordering Information

Part No. Data Rate (Gbps) Wavelength (nm) TX Power (dBm) Re Sens. (dBm) Transmission Distance Fiber Type Connector Type Temp. Range Digital Diagnostics
SFP-1G85-5M ≤ 1.25 850 -9.5 ~ - 3 ﹤ -17 550m MMF LC Com./Ex./Ind. Yes/No
SFP-1G31-5M ≤ 1.0625 1310 -9.5 ~ - 3 ﹤ -17 550m MMF LC Com./Ex./Ind. Yes/No
SFP-1G31-2 ≤ 1.25 1310 -9 ~ -3 ﹤ -21 2km MMF LC Com./Ex./Ind. Yes/No
SFP-1G31-10 ≤ 1.25 1310 -9 ~ -3 ﹤ -21 10km SMF LC Com./Ex./Ind. Yes/No
SFP-1G31-15 ≤ 1.25 1310 -8 ~ -3 ﹤ -21 15km SMF LC Com./Ex./Ind. Yes/No
SFP-1G31-20 ≤ 1.25 1310 -8 ~ -3 ﹤ -22 20km SMF LC Com./Ex./Ind. Yes/No
SFP-1G31-30 ≤ 1.25 1310 -5 ~ 0 ﹤ -24 30km SMF LC Com./Ex./Ind. Yes/No
SFP-1G31-40 ≤ 1.25 1310 -2 ~ 3 ﹤ -24 40km SMF LC Com./Ex./Ind. Yes/No
SFP-1G55-40 ≤ 1.25 1550 -5 ~ 0 ﹤ -24 40km SMF LC Com./Ex./Ind. Yes/No
SFP-1G55-60 ≤ 1.25 1550 -2 ~ 3 ﹤ -24 60km SMF LC Com./Ex./Ind. Yes/No
SFP-1G55-80 ≤ 1.25 1550 0~5 ﹤ -24 80km SMF LC Com./Ex./Ind. Yes/No
SFP-1G55-100 ≤ 1.25 1550 0~5 ﹤ -28 100km SMF LC Com./Ex./Ind. Yes/No
SFP-1G55-120 ≤ 1.25 1550 0~5 ﹤ -32 120km SMF LC Com./Ex./Ind. Yes/No
SFP-1G55-160 ≤ 1.25 1550 3~7 ﹤ -37 160km SMF LC Com./Ex./Ind. Yes/No


  • xx means compatible brand. (For example: CO= Cisco, JU=Juniper, FD=Foundry, EX=Extreme, NE=Netgear,etc. The two characters are short for compatible brand.)



  • Antistatic bag
  • Packed on pallets in a box(Default Customer Options)
  • Specific Labels as Request
  • Seperate white Box for each transceiver



Combining our extensive design and engineering capability in optical transceiver industry, with our competitive advantages from integrated manufacturing capability, internal supply chain, and cost competitive and scalable operation infrastructure, Fiber-Mart provides OEM, ODM, and contract manufacturing service to world leading customers with our manufacturing facilities in China.We are also mainly engaged in providing complete sets of optoelectronic device solutions to gain more brand extensions and influence for Fiber-Mart in the world.

  • OEM/ODM order is available
  • We can supply SFP-1G31-10 according to your requirements, and design SFP-1G31-10 label and packaging for your company. We welcome any inquiry for customized 100M & 1G SFP optical transceiver.


Order Procedure

Please contact us with any special requirements you may have, we can help you create a custom solution to meet almost any application. Our engineer will review the project and provide a quotation within 1-2 business days.
a. Email ([email protected]) us a rough sketch to a detailed drawing.
b. Our engineer will review the project and provide a quotation within 24 hours.
c. We can arrange production as low as 1 piece and as high as 1,000 pieces in 1~4 business days once an order is placed.



International Express: Fedex, DHL, UPS, TNT and EMS.If you have another preferred carrier, please notify us in advance.
FedEx Overnight: It will take 1-3 business days (weekends and holidays excepted) for delivery.
DHL: It will take 2-4 business days (weekends and holidays excepted) for delivery. For Spain, Italy, Brazil and some other countries, items will take longer time to arrive due to customs clearance period.


Save Cost By Buying 100M & 1G SFP From Original Manufacturer Fiber-Mart Directly.

Fiber-Mart is an professional manufacturer & supplier of 100M & 1G SFP transceivers. All of our 100M & 1G SFP transceivers are tested in-house prior to shipping to guarantee that they will arrive in perfect physical and working condition. We guarantee 100M & 1G SFP transceivers to work in your system and all of our 100M & 1G SFP transceivers come with a lifetime advance replacement warranty. If you have questions about 100M & 1G SFP optics, please feel free to contact us at [email protected]


If any option which is not indicate in your Ordering, please write your option or request in your ORDER to Fiber-Mart, and contact with us.


You can place your Order Online in our website, you can send us a Purchase Order as a company, or you can request a Proforma Invoice Order to make everything clear!


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Shipping Time

FedEx IP: Within 1-4 business days
FedEx IE: Within 4-6 business days
DHL: Within 2-6 business days
EMS: Within 4-15 business days
UPS: Within 1-3 business days
Hong Kong Post Airmail: Within 10-30 business days


Paypal or Credit/debit card
Wire Transfer, West Union


Satisfactory return or item exchange


Money back guarantee


Limited Warranty

Volume pricing:

If you need large order volume, please apply for a business account or contact us to enjoy preferential policies.
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