Optical Transceiver
Optical Transceivers Introduction

How do optical modules achieve industrial standards? How to purchase?

  • 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 parameters of the optical transceiver. Thus affecting the normal transmission of the optical transceiver. Industrial optical module is a product developed to solve this problem.

The common optical modules are mostly commercial optical modules, and the normal working temperature is 0~70°C; while the industrial optical modules operating temperature is -40°C~85°C, which can work in the harsh environment of 85°C and under zero temperature.

So how do you ensure that industrial optical modules work properly in harsh environments? Our company guarantees the stability of industrial products from the following points:

1. The requirement of the hardware: The used IC(chip), TO CAN(laser) must reach the grade of industrial temperature.

2. Physical cooling: Perhaps most practitioners have had the same experience when they were young. When you have a high fever,your parent will stick a cooling paste on your forehead, this is the physical cooling. Of course, it is used the heat dissipating silica gel to do the physical cooling in the optical transceiver. That is to make the heat of TO send out as soon as possible. Maybe you will have a question, if it is low temperature? Is there not a contradiction? Please read blow, this is the most important technology.

3. Temperature compensation software: The function of temperature compensation is to control the stable working current supply of the optical transceiver. When the temperature changes, the temperature compensation software will play it’s role at this time.

The technical engineer needs to spend a lot of time to do the temperature compensation. Increase or decrease every 5 degrees(or 10 degrees) as a node to calculate it’s slope. They need to write into to the corresponding IC(chip) of the optical transceiver after get the result.This work makes the technical engineer have to stay in front of the high and low temperature cycle aging box for a few hours or even longer. The increase in the raw material and the making cost, which is the cause of the high price of the industrial optical transceiver. The compared pictures of the working current before and after temperature compensation:


Application of Industrial optical module

Industrial-grade optical modules are used in industrial Ethernet networks such as industrial fiber-optic media converters or Ethernet switches, factory automation, outdoor applications, railway, intelligent transportation systems, marine, oil, natural gas, mining and other fields. Industrial optical modules can meet the persistent stability of industrial Ethernet in harsh working environment.

How to purchase industrial optical modules

1. Check the temperature adaptability

Industrial optical modules can be adapted to a maximum operating temperature of +85°C and a minimum operating temperature of -40°C.

2. Check the transmitted optical power and receiving sensitivity

The transmitted optical power and receiving sensitivity are important parameters that affect the transmission distance of the optical module. Therefore, when purchasing industrial optical modules, it is necessary to understand the parameters in detail.

2. Check the compatibility

When you purchase the optical modules, you can communicate with the supplier to test them on brand switch, so as to check its compatibility with equipment.

The industrial optical modules of ETU-Link are manufactured strictly according to industrial standards, which can fully meet the connection requirements of industrial Ethernet and ensure its stability, reliability and other performance. Like commercial optical modules, our industrial optical modules have undergone numerous rigorous quality inspection processes and tests before delivery, with compatibility up to 100%. To learn more about industrial products, please click on this link!

http://www.etulinktechnology.com/blog/the-industry-optical-transceiver_b17

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