• October 22. 2026

Optical module compatibility is crucial for stable network operation, and it mainly falls into two categories: hardware compatibility and software compatibility. Hardware ensures normal physical layer connection, while software enables module identification, link negotiation, and normal functioning. The vast majority of optical module port downtime, disconnections, and malfunctions are caused by h...

• 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...