• December 10. 2018

Optical modules are an integral part of all network connectivity deployments. As a sales of optical transceiver should know that the working temperature will influence the parameters of the optical transceiver. When the applied environment temperature of the module is changed, then the working current will change as the temperature changes. At the same time, it will lead to changes in the paramete...

• December 05. 2018

There are many types of SFP optical modules, 155M, 622M, 1.25G and 2.5G SFP, 155M SFP we also call it 100Megabit SFP. So what is 100Megabit SFP optical module? Today we will give you the answer. 100Megabit SFP optical modules are small form factor pluggable (SFP) transceivers based on the SFP Multi-Source Agreement (MSA). 100Megabit SFP optical modules can work together with the optical fiber to p...

• November 30. 2018

Nowadays, the most common use of mobile communication networks is 4G networks in China. With the maturity of 5G technologies, it is believed that 5G networks (fifth generation mobile communication technologies) will become a hot spot in the field of information and communication in the next five years. The construction and upgrade of Bearer network will continue to increase the demand for optical ...

• December 30. 2019

SFP optical transceivers are widely used in fiber switches, Gigabit Ethernet, SAN storage, 5G fronthaul, and data center interconnection. Optical signal intensity (Tx power / Rx power) is the most critical indicator for link stability and fault location. This article explains how to check, measure, and interpret SFP signal strength with industry standards and switch command examples. As we all kno...

• September 21. 2018

100G has a variety of packaging forms, including CFP/CFP2/CFP4, CXP and QSFP28. Among these different 100G packaging forms, QSFP28 optical module has the advantages of high port density, low power consumption and low cost, so it has become the main packaging form of 100G network. Therefore, we will focus on four types of 100G QSFP28 optical modules today. 1.100GBASE-SR4 QSFP28 optical transce...

• 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 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...