• September 29. 2017

Many network engineers and buyers struggle with one question: Can SFP modules work in SFP+ ports? Can SFP+ work in SFP ports? What compatibility rules should I follow? This article gives you clear answers, compatibility principles, speed limitations, switch vendor differences, and safe usage rules to avoid connection failures. I. Can SFP Modules Be Plugged into SFP+ Ports? The SFP optical module c...

• 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 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...

• August 25. 2017

Optical transceivers are highly temperature-sensitive photoelectric devices. Ambient and internal operating temperature directly change laser bias current, transmit/receive optical power, receiver sensitivity and signal eye quality. This article explains temperature classification of optical modules, root causes of abnormal temperature, and specific performance damage caused by overheating or ultr...

• August 23. 2017

The PON optical transceiver is a high performance optical module for the PON system, also known as the PON module, conforms to the ITU-T G.984.2 standard and the MSA. It uses different wavelengths to send and receive signals between the OLT (optical line terminal) and the ONT (optical network terminal). Classification of PON optical modules: 1. According to the package type: SFF/SFP/SFP+ and XFP o...