• November 23. 2021

The QSFP-40/100-SRBD is a dual-rate bidirectional (BiDi) optical module. It features 40G and 100G transmission rates and dual-fiber LC interface type. It can easily help customers upgrade from 10G to 40G/100G networks using existing 10G network duplex multimode fiber architecture. In the following, ETU-LINK will introduce the relevant parameters of the QSFP-40/100-SRBD optical module and the ...

• November 19. 2021

In today's Internet era, both enterprise network deployment and data center construction are inseparable from optical transceivers and switches. Optical transceivers are mainly used to convert electrical and optical signals, while switches are used to forward photoelectric signals. Among many optical transceivers, the SFP+ optical transceiver is one of the most widely used optical transceivers. Wh...

• November 09. 2021

In this blog, ETU-LINK will focus on introducing the type and transmission distance of the Gigabit single-mode SFP BIDI SC connector optical module. This series of optical modules can not only support 2km, 3km, 10km, 20km, 40km, 60km, 80km, 120km transmission distances, but also have commercial (0℃-70℃) and industrial  (-40℃-85℃) optional temperature ranges. In order to facilit...

• October 30. 2021

DAC high-speed cable is a low-cost and short-distance connection solution for data center equipment. It consists of a cable and optical fiber transceiver devices at both ends of the cable. Because of the high cost performance, the interconnection application between short-distance network equipment is widely welcomed. At present, there are many specifications of DAC high-speed cables on the market...

• September 18. 2021

As core components for photoelectric conversion in optical communication systems, data center interconnection, and long-haul transmission, optical modules rely on TOSA and ROSA to realize high-speed signal conversion. Now, ETU-LINK will introduce to you the components of the optical module—TOSA and ROSA. 1. What Is TOSA in Optical Modules? TOSA is the main component of the optical transmitter modu...

• September 09. 2021

As an important part of the optical fiber communication system, the optical module plays the role of photoelectric conversion. But many people don’t know: What are the core components inside an optical module? How do TOSA, ROSA, CDR, LDD, TIA work together? This article explains each component’s function, structure, and working principle to help you fully understand optical module design. 1. What ...

• September 03. 2021

In the establishment of a 10G network, we will face a choice, that is, whether we choose optical fiber cabling or copper cabling. Optical fiber cabling systems are divided into multi-mode（MM) optical fiber cabling systems and single-mode(SM) optical fiber cabling systems, among which 10G MM optical fiber cabling systems need to use 10G SFP+ MM optical modules, 10G AOC active optical...

• August 24. 2021

According to the working temperature range, optical modules can be divided into commercial (0℃ - 70℃), expansion (- 20℃ - 85℃), industrial (- 40℃ - 85℃). Generally, only commercial optical module is needed for indoor optical module, but industrial optical module is needed if the optical module is used in outdoor environment with uncertain and fluctuating temperature (such as remote mountain area, ...