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With the effort of excellent designers,Wanglink 10/100 Base 4 RJ45 Port 1 SC Single Mode Single Fiber Optical Media Converter 25KM has unique style in its shape and appearance. The advancement in technology brings us unlimited benefits which include expanded product advantages.Wanglink 10/100 Base 4 RJ45 Port 1 SC Single Mode Single Fiber Optical Media Converter 25KM is perfect for the area(s) of Network Switches. Shenzhen Wanglink Communication Equipment Technology Co., Ltd. will always be led by market demand and respect customers' wishes. Based on the feedback given by customers, we will make changes accordingly in our product development so as to manufacture the most satisfying and profitable products.

Products Status:StockTransmission Rate:10/100/1000Mbps
Function:VLAN SupportCommunication Mode:Full-Duplex & Half-Duplex
Brand Name:WanglinkModel Number:WOR-840ASS20-SC
Place of Origin:ChinaKey Feacture 1:Optical Media Converter 25KM
Key Feacture 2:Single Fiber Mode SC Fiber Media ConverterKey Feacture 3:10/100 Base 4 RJ45 Port 1 SC Single Mode Single Fiber
Model:WOR-840ASS20-SCFiber optic port:4 ports
Mode:full-duplex & half-duplexMaterial:metal
Interface type:RJ45Connector Type:SC
Warranty:2 YearsCertification:CE RoHS FCC

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Product Description

Wanglink 10/100 Base 4 RJ45 Port 1 SC Single Mode Single Fiber Optical Media Converter 25KM

10/100Mbps 1 Fiber 4 Ethernet adaptive Ethernet fiber switch with 4 electrical ports and 1 optical ports, can provide point-to-point, point-to-multipoint chain multi-node network structure, networking is very flexible, network can be The transmission distance is increased from 100m for the twisted pair to 120Km for the optical fiber, and each node can also provide one or more RJ45 interfaces directly connected to the terminal device according to the specific needs of the user. This product is small in size, adopts desktop design and flexible networking. It is suitable for chain multi-point network such as vehicle entrance monitoring, highway network system and mine communication system. 4 RJ45 interfaces and four SC fiber interfaces are used to connect twisted pair and fiber. Its characteristic is that the electric port can be straight-through/cross-line adaptive, and it can be full-duplex or half-duplex mode. It has good stability and reliability.

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Our Certifications
Product Name
Wanglink 10/100 Base 4 RJ45 Port 1 SC Single Mode Single Fiber Optical Media Converter 25KM
Fixed Port
4*10/100Base--TX RJ45 port (Data)
1*100M Optical Fiber Port(optional 1310/1550)
Network Protocol
IEEE802.3i 10BASE-T
Port Specification
Transmission Mode
Store and Forward(full wirespeed)
MAC Address
Transmission Distance
10BASE-T : Cat3,4,5 UTP(≤250 meter)
100BASE-TX : Cat5 or later UTP(150 meter)
Single mode single fiber(MAX 20KM)
Single mode double fiber (MAX 20KM)
Multiple mode double fiber(MAX 850M/2KM)
Optional 3-100KM Optical Fiber Module
LED Indicator
FX1/FX2/FX3/FX4:(Optical fiber LED)
External power DC 5V 2A
Operating Temperature/Humidity
-15~+65°C;5%~90% RH Non coagulation
Storage Temperature/Humidity
-40~+75°C;5%~95% RH Non coagulation
Product size/Packing size(L*W*H)
Desktop (optional wall hanger+machine hanger parts)
CE mark, commercial;CE/LVD EN60950;
FCC Part 15 Class B;RoHS;CNAS;MA
2 year
Our Company
About Factory
Wanglink headquarter is located in Shenzhen Xiaxue Industry Park , where is a China Hi-tech Industrial Park, covering an area of 20 square kilometers,Brought together many advanced enterprises in the communication industry.Wanglink is one of the important enterprises in this Creative Industrial Park, gaining great support from local government. It is with registered capital of 5 million RMB, covering an area of nearly 2000 square meters for R&D, marketing & sales office.
Since 2013 years, wanglink has invested more than 100 million yuan in production research and development.We are fully capable of accepting customers' OEM, ODM requirements for products, and targeted products that are suitable for customers.With rapid development and intensive research work, Wanglink has developed over 400 models in 4 major series, ONU / Switch / SFP / Media converter in dependently. Each series has passed CE Certification,
Formed a complete and highly customizable FTTH/FTTB/FTTX industry chain

Factory Detail

Wanglink obtain the certification of ISO 9000:2000 Quality Management System in June 2015 and the certification of ROHS,CE, FCC in November 2017.

PCB board design and production

Old-Testing Room



Customer Photo
2019 CIOE Exhibition
Each year, Wanglink has the plan to go to the world to participate in the exhibition, Brazil, India, Thailand, Vietnam ....., until now,We have established good business relations with more than 100 countries around the world.

2019 Vietnam ICT COMM
We got many friendship, and  hope every our business come to win-win situation.each year, we will visit our friend all over the world.
Organized by the Ministry of Industry and Trade of Vietnam and the Ministry of Information and Communication of Vietnam, ICT COMM Vietnam is jointly organized by Vietnam’s largest exhibition service company “ADPEX” United Stock Company and Vietnam Innovation and Promotion Exchange Center (Vietnam Post and Telecommunications Group). Communication electronic ICT professional exhibition. 
2018 CeBIT ASEAN Thailand
CeBIT is the world's largest authoritative exhibition in the fields of information, communications and software. CeBIT ASEAN Thailand, Bangkok International Information and Communication Technology Exhibition, is held in Bangkok, Thailand. The frequency of the exhibition is once a year. It is a series of exhibitions held by the Hannover Messe in Southeast Asia." data-id="child-image-0" class="magic-55" />

Q:Why choose Wanglink?

1) Prompt delivery and remarkable services .
2) Competitive selling prices
3) Rich experience of OEM & ODM co-operation
4) 100% new materials for production and 100% reliable quality 

Q: Can I have a sample order? What is your MOQ?

A: Yes, we welcome sample order to test and check quality. MOQ is 1 for normal products.

Q: How do you ship the goods and how long does it take arrive?

A: Sea transportation & Air transportation & Express ( DHL / UPS / TNT / Fedex / EMS ). Air transportation & Express usually take 3-5 days to arrive.

Q: Could I use our own logo and label?

A: Yes, we provide OEM/OEM service and make the products with your own label.

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Take advantage of our unrivaled knowledge and experience, we offer you the best customization service.


Wanglink over the years has always adhered to "quality of products in order to survive, credibility and development services" business purposes. Committed to providing you with high-quality products and quality services. We expect to expend more cooperation and make a win-win future!

They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.
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