• June 24. 2016

As we learned, a common SFP transceiver is generally with two ports, one is TX port to transmit the signal, and the other one is RX port to receive signals. BiDi SFP transceiver is only with one port which uses an integral WDM coupler to transmit and receive signals over a single strand fiber. SFP and BiDi SFP Connection Methods All SFP transceivers must be used by pairs. For common SFPs...

• July 06. 2016

With the rapid development of optical communication, there are more and more optical transceivers on the market. The users are not only consider the stability and reliability of the optical transceiver, but also the price and quality and whether to meet the requirements of the equipment and other aspects. However, many people can’t identify the quality of the optical transceiver is good or bad, so...

• November 02. 2016

According to the market demand, we have a large number stock of SFP 120KM optical transceivers. Why choose us? Let’s take a look at the below picture! Each link of the test are carefully follow the industry standard, through multi verification, to win the trust and support of customers at home and abroad! The differences between 120KM & 20KM optical transceiver: 1. Can achieve the transmission...

• February 24. 2017

Optical transceivers may be used in switches, video surveillance, radio and television, medical equipment, etc., In these areas, we must ensure the accuracy and stability of the product. In the application of electronic products, electronic circuits need to be verified and tested one by one. In large projects and important projects, sample testing are required. Before shipment, we must do well in ...

• April 12. 2017

With the continual development of the company, we recruit many new staffs this year. New staffs may not be aware of the dress requirements of the workshop. In order to further standardize the production workshop environment and create a good work image, following will list the dress standard of workshop. Correct dress standard: 1. In the workshop, need to wear anti-static cap, anti-static bracelet...

• May 22. 2017

Whether online or offline sales, there will be customer complaints. ETU-Link think highly of customer complaints. As long as there is a customer complaint, we will work hard to solve, only to solve the customer, the customer has a reason to give us order. Do you think so? What customer complaints we will meet? Today we will make a summary. 1. No lights when plugging into the switches a. Modules ca...

• May 17. 2017

When customer inquiry to us for Gigabit interface module, we usually think that is SFP module, but we have neglected another Gigabit interface module——GBIC. Why would GBIC be gradually replaced by SFP? What are their associations and differences? Let’s learn about it! What is GBIC? GBIC stands for Giga Bitrate Interface Converter, was quite popular in 1990s. The design can be used for hot plug , S...

• June 13. 2017

Cisco ME 3400 is a next generation second - layer / third - layer client point device series Ethernet access switch designed for telecom operators. The switch's design is based on the deployment experience of Cisco Catalyst® 2950 and Catalyst 3550, these are today's most widely used access switches. It provides the most comprehensive security solution for Metro Ethernet access, including users...