• August 13. 2018

Nowadays, large data centers and networks tend to provide multiple Ethernet interface speeds, including 10Gbps, 40Gbps, and 100Gbps. Based on this, Arista 7500R series switches are introduced, which greatly increased the flexibility and scalability of data center cabling, and it has been widely favored by people. Arista 7500R series modular switches can provide the highest performance in the indus...

• August 08. 2018

Today let's learn about the MPO Patch cord. Last time one of our customer bought 100G SR4 MPO 100M, compatible with Juniper QFX5110 Switch.   1.How to connect the 2 transceivers in 2 switches with a patch cord directly? It's a question for him. So I gave him a solution, like the following picture shows. ①we imagine you use Juniper QFX5110-32Q to test the modules. ②100G SR4 MPO ...

• August 03. 2018

The 20th China International Optoelectronic Exposition will start from Sept. 5th-8th at Shenzhen Convention & Exhibition Center in China. ETU-Link sincerely invite our customers and friends to visit us in our booth: 1F03. Here is the overview design of our booth, please check below: For 20 years, CIOE has been devoted to building efficient trad...

• July 30. 2018

EPON and GPON are the two main members of optical network access. Each of them has own advantages, competes and complements each other.The following will compare with them in various aspects. Data Rate EPON provides a fixed up and downlink with 1.25 Gbps, using 8b/10b line coding, and real rate is 1Gbps. GPON supports a variety of speed grades, can support uplink and downlink asymmetric rates, dow...

• July 26. 2018

After the CommunicAsia Exhibition, ETU-Link will usher in the third exhibition in 2018 --- China International Optoelectronic Exposition (CIOE) is the world's largest exhibition in optoelectronic industry. The event is an annual gathering for the global optoelectronic professionals to network with business partners and discover the future trends. It is also a meeting place where you could meet you...

• July 24. 2018

In order to maintain a friendly relationship between ETU and customers, and to protect and avoid unnecessary losses, control the RMA cost reasonably to provide better services to the customers. 《RMA details》 are are set out as follows:   The product provided by ETU-Link - 3 years warranty 1. The international RMA will involve tariffs, the larger amount, the more tariffs, so nee...

• July 19. 2018

QSFP+ have Single-mode and multimode, it means QSFP+ optical module works on different types of fiber optic, the single-mode QSFP + use with single mode fiber, and the multimode QSFP + used with multimode fiber. Then what are the differences between them? Where are they applied? What should we pay attention to when we use them? In this article, we will discuss this topic. Optical module difference...

• July 17. 2018

With the development of the networks, upgrading the 10G to 40G networks is the requirement of networks, But there is a very largest problem to build the cable system when upgrading, especially the short distance transmission of 40G. So in order to solve this problem, 40G QSFP+ SR4 BIDI modules produced by engineers... And today, we will introduce this to you , and hope it can be helpful ...

• July 12. 2018

As we all know, currently the mainstream optical communication transmission rate is 40G and 100G on the market, their competition is also fierce. Today we will list some common questions in 40G networks. What are the common solutions for 40G networks? At the core of the 40G network layer, a pair of optical modules are usually connected at both ends of a multimode optical fiber such as OM3 or OM4(M...

• July 10. 2018

In optical fiber system, besides optical transmission equipment and optical devices, optical fiber consumables are also an indispensable part. And the dust cap belongs to optical fiber consumable material, it is applied almost every corner of fiber system, Plays role of protecting fiber and fiber end face. So its role can not be underestimated. Then what does a dust cap do? How does it affect the ...

• July 06. 2018

Recently, several new colleagues came into sales department. Sales is the core department of a company. The economic lifeline could be deeply influenced by sales. If you want to sell your product, you need to be familiar with the product. Let's start with a simple thing -- naming rules for optical modules. If you don't know the product model, how can you communic...

• July 04. 2018

In the process of talking with customers, sometimes they ask us what is the different between our optical transceiver and Cisco?What are the advantages?Why choose us?In order to enable customers to better understand our company and product advantages, we will use the interesting pictures to interpret between ETU and Cisco optical module.   I represent Cisco. I'm the b...