• March 10. 2017

As a sales of optical transceiver should know that the operating temperature will influence the parameters of the optical transceiver. According to the working temperature, there are industrial and commercial optical transceiver. What is industrial and commercial optical transceiver? What are their differences? 1. Working temperature Commercial optical transceiver: 0~70℃ Industrial optical transce...

• April 10. 2017

Some people don’t know the patch cord has telecom and network level. Point at this problem, we will explain what are the differences between them! What is multimode optical patch cord? It is used as the patch cord from device to optical fiber wiring link, it has thicker protective layer, generally used to connect the transmitter and terminal box. It is applied in optical fiber communication system...

• 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...

• April 21. 2017

Development letter is very important for sales to expand foreign customers. Today we will introduce some main points for your reference. 1.Title A good beginning will attract the attention of customers. The letter should be concise, incisive and clear. Before writing the letter, you must know the general background of the target customers. Such as market, main products, product naming rules and pr...

• 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...

• June 28. 2017

In the optical communications industry should know, Gigabit Ethernet has become increasingly common, and now Gigabit Ethernet switches typically have two ports: RJ45 port and SFP port. They can be used for Gigabit Ethernet transmission. So what are their differences? How should they be wired? Today we will share with you. What is the difference between the RJ45 port and the SFP port? The RJ45 port...

• July 05. 2017

Time has always passed so quickly, unconsciously, I have come to ETU-Link for more than a year. When first day to the company, I was so strange to the environment, colleagues, or the products. With the patient instruction and training of the manager, gradually become familiar with the company's products. The manager's training has changed me a lot, I also got the manager's trust and gave me the im...

• July 12. 2017

Many people are strange with optical transceivers, they won’t see it in daily life, but it is indispensable to our life. In modern society, people are unhappy if they don't have cell phones. So here comes the question. Do you know where the signal of the cell phone comes from? Let me show you the answer! The answer is in the communications operator's engine room! There are a lot of switch equipmen...