• October 12. 2017

If you are the first time to buy optical transceivers, you might be confused with "DDM", "DOM" or "RGD". What are they? Today, ETU-Link will describe in detail the functions of these three types of optical modules. What is DDM? DDM means Digital Diagnostic Monitoring. It is the technique used in the optical module so that users can monitor the real-time parameters of the module. Including modules’...

• September 29. 2017

We are often confused on the compatibility of SFP and SFP+, confused that we don't know if we can use the SFP optical module in the SFP+ slot. It's a headache for many engineers, today we will focus on this problem. The SFP optical module can plug into the SFP+ port in most cases. According to experience, CWDM SFP optical transceiver can run in the SFP+ slot, but the SFP+ module cannot run in the ...

• September 27. 2017

In the switching field, HUAWEI has accumulated a large number of industry-leading intellectual property rights and patents, can provide hundreds of switch products from core to access. HUAWEI S5700-24TP-SI(AC) switch is one of the more popular products. Today, we'll share the information of this switch and its installation notes. HUAWEI S5700-24TP-SI-AC is a Gigabit Ethernet switch, the applicatio...

• September 20. 2017

With the development of optical communication industry, the demand of Optical module is also growing. How to find the best products? How to choose the best suppliers? Why are we ETU-link confident to be your Mr. Right? Look at the five reasons as below: 1. Price Price is the one of most importa...

• September 15. 2017

Saving the cost is a very important and factor in a large network transmission system, especially when it needs lots of the modules,especially when it using the original modules. So then the compatible modules appeared to solve such problem. But How Can We ensure the Compatible Modules Quality When Purchasing? Today we want to share some with you: 1. Does it have the DDMI of  SFF-8472 St...

• September 18. 2017

Ruijie, leading brands of Chinese data communication solutions. Over the years, they have taken root in industry, deep scene for product design and innovation. Build end to end solutions for industry users and create new value for customer networks. RG-S5750-E/P Series switch is a new generation of three layer switch combines high performance, high security, multi service launched by Ruijie. Excel...

• September 11. 2017

When install a Optical fiber optic network, people may make some common mistakes, which were usually overlooked. In this blog, we will list the most common ones. Hope to give you some guidance for your optical network installation. 1.SFP BIDI transceiver must be used in pair The SFP BiDi transceiver must be matched correctly. Take an example: The paired BIDI transceivers connect with switch A and ...

• September 06. 2017

JuniperNetworks is a network communications equipment company, it was founded in February 1996.Headquartered in California, mainly supplies IP network and information security solutions. Juniper Switches divide into EX series Ethernet switches and QFX series switches. The product lines of EX series Ethernet switches: EX2200, EX2500, EX3200, EX3300, EX4200, EX4300, EX4500, EX4600, EX6200, EX8200 an...

• September 05. 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. Here are some of our clients' questi...

• September 01. 2017

When a customer asks us for an inquiry, we will ask the customer a question: Could you tell me the compatibility? Cisco, HUAWEI, Juniper or others? This is very important for our product! So what is the compatibility? Why is it so important? Today we will learn about it together! We all know a common sense, one key can only be opened one lock. The switch is like a lock, and the compatible cod...

• August 30. 2017

Today, ETU-Link will share the CFP2 optical module installation process with you. What preparations and attention should be made before installation? Let’s learn about it! 1. Preparation before installation To avoid the static electricity generated during installation causes damage to CFP2 optical transceiver or electronic devices in equipment. Before installing or removing the CFP2 module, please...

• August 28. 2017

Optical transceiver is a small product, it seems simple. In fact, it is assembly completed after more than 10 processes, but still can’t be sold. Because the product need to be strictly testing before shipment, including parameter testing, aging testing, distance testing (fiber testing) and switch testing. We've had a detailed explanation of the tests except switching testing, today we're going to...