• May 06. 2023

According to the customer's feedback, how should we analyze and solve the issue that the switch and optical module are incompatible or cannot be used? In this article, ETU-LINK proposes the following solutions to this issue.   Optical fiber patch cord collocation problem If the optical module does not respond to being inserted into the network cord of the switch, check whether the optical fib...

• May 05. 2023

With the rapid development of the communication industry and data centers at home and abroad, the demand for optical modules has increased sharply. In addition to the original optical modules of equipment manufacturers, there are also third-party optical module manufacturers. So how should we choose optical modules? In this article, ETU-LINK will introduce to you what factors we need to consider w...

• April 27. 2023

In order to be more widely compatible with more branded devices, ETU-Link has newly introduced the Aruba 2930F JL254A switch, 2930F supports built-in 1GbE or 10GbE uplink, PoE+, access OSPF routing, tunnel node, RIP routing and IPv6, no software license required.The Aruba 2930F switch series provides a convenient and cost-effective access switch solution that can be set up quickly with zero-touch ...

• April 24. 2023

From the perspective of the development trend of data centers, the trend of "cloud" and digitalization of enterprises is irreversible. The ICT industry such as cloud computing, big data and artificial intelligence has an increasingly large demand for data centers. The bandwidth demand of data centers is growing at a rapid rate of 25% to 35% every year, and the bandwidth capacity is also doubling. ...

• April 15. 2023

Juniper EX4650 Ethernet switch provides Layer 2 and Layer 3 connectivity of 2 Tbps to networked devices such as security routers, servers, and other switches. The EX4650 is equipped with 48 line speed 10GbE/25GbE small pluggable optical module (SFP/SFP+/SFP28) ports and 8 line speed 40GbE/100GbE quad core SFP+optical module (QSFP+/QSFP28) ports in a compact 1U platform, providing flexible support ...

• April 07. 2023

In this article, ETU-LINK will analyze common problems related to 40G QSFP+ optical modules, 40G QSFP+ AOC active optical cables, and 40G QSFP+ DAC high-speed cables. Q1：Can a 40G optical module be connected with a 10G optical module? A1: Not all 40G optical modules can be connected to 10G optical modules, only 4*10G parallel transmission optical modules can be connected to 10G optical modules, fo...

• April 04. 2023

In 1.25G and 10G optical modules, BiDi single-fiber and dual-fiber optical modules are transmitted by single-mode jumpers. Today, ETU-LINK will introduce a 100G BiDi single-fiber bidirectional optical module transmitted by multi-mode optical fibers. It adopts double LC fiber interface, uses multi-mode fiber for transmission up to 150 meters, working wavelength is 850nm, 950nm, modulation technolog...

• March 28. 2023

As the market has higher and higher requirements for data transmission rates, higher-speed optical modules are also born. At present, in the high-speed optical module market, 100G optical modules are the mainstream products in the optical communication market. Next, ETU-LINK will introduce the 100G QSFP28 SR4 optical module to you. 100G QSFP28 SR4 Optical Module Introduction The 100G QSFP28 SR4 op...