Media Converter
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Media Converter PCBA 4*1.25G SC Fiber Port with 2*1000M Ethernet RJ45 Port Fiber Optical switch PCB Board is carefully designed by skilled designers. In recent years, we've updated technologies or higher-efficiency manufacturing of the product. Its application ranges have been expanded to the field(s) of Enterprise Switches. Shenzhen Wanglink Communication Equipment Technology Co., Ltd. will continue to work hard to improve our capabilities in R&D strength and technologies because they are the core competitiveness of our company. We aim to provide customers with the most satisfying and cost-effective products with our full efforts.

Model Number:WOR-923ASS20-SC-PCBType:Enterprise Switch, Fiber Optic Transceivers
Place of Origin:Guangdong, ChinaBrand Name:Wanglink
Product name:4*1.25G Fiber Port 2 RJ45 10/100/1000M PCB BoardWavelength:1310/1550nm
Distance:20kmRJ45 Ports:2 ports
Fiber Port:4 portsPlace of original:China
Warranty:2 YearsColor:Green

Product Description

Media Converter PCBA 4*1.25G SC Fiber Port with 2*1000M Ethernet RJ45 Port Fiber Optical switch PCB Board

The Gigabit 4G2E is an Ethernet Fiber Switch which is specially designed for network monitoring. It
has 2*10/100/1000Mbps Ethernet ports and 4*1.25Gbps fiber ports. It adopts Marvell chips to ensure
low power consumption and high stability. It extends the transmission distance of a network from
100m to 120km via copper cables. It can extend the transmission distance; there are also many other
advantages such as isolation protection, good data security, working stability and easy maintenance.

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Key Features:

1. Support the switch between 10/100/1000Base-TX and 1000Base-SX/LX
2. 4*1.25Gbps full-duplex fiber ports and 2*10/100/1000M Ethernet ports with auto-negotiation function
3. Support 1000M speed rate, MDI/MDIX and half/full-duplex with auto-negotiation function
4. Each port has the complete LED Indicator light
5. Support single mode single fiber,single mode dual fiber ,multi-mode dual fiber and SFP slot
6. Support IEEE802.1d Spanning Tree
7. Support high performance QoS function on each port
8. Support 5-16V voltage input
9. Support IEEE 802.3x flow control and back pressure control
10. Require no configuration and will instantly operate as soon as you power it up
11. Low power consumption chip with heat sink built in to ensure longtime efficient operation
Our Certifications
Product Name
Media Converter PCBA 4*1.25G SC Fiber Port with 2*1000M Ethernet RJ45 Port Fiber Optical switch PCB Board
EEE802.3 10Base-T
IEEE802.3u 100Base-TX / FX
IEEE802.3z 1000Base-SX / LX
IEEE802.3x gas pressure regulator
IEEE802.1p QoS
IEEE802.1d STP

Ethernet Port
Connector: RJ45
Data transfer rate: 10/100 m or 10/100 / 1000 M
Distance: 100m
UTP Type: UTP-5E or higher
Fiber Port
Connector: SC / FC / ST / sfp slot
Data Rate: 155m or 1.25Gbps
Optical Wavelength: 850nm / 1310nm / 1490nm / 1550nm
Distance: 550 m ~ 120 km
Processing Type: Store and Forward
Table Weight Dimensions: 4K / 6K / 8K Stainless Steel
Buffer Space: 500kbs / 1 Mbps / 2 Mbps
Big packet: 1518 bytes
Rear Bandwidth: 3,8G / 5.6 g / 7.2 g
Latency: <150 μs
Power Type: External Power Supply
Input Voltage: AC100V ~ 240 V 50 / 60Hz
Connector: DC Power Connector
Working voltage: 5V
Power Consumption: 2.2 W ~ 3.5 W
Transmissin distance
Twisted pair: 100 m (CAT5e, CAT6 cables)
Muti-mode: 2 km
Single-mode switch: 3 / 20/40/60/80/100 km
100,000 hours
1 year
Environmental Protection
Storage Temperature: -40 ~ 70 ℃
Operating Temperature: -10 ~ 55 ℃
Relative humidity: 5-90% (non-condensing)
Mechanical structures
Size: 215 × 107 × 26 mm
Weight: 0.15
We work on OEM and ODM
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.

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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