What is a single-core module, what is its characteristics?

2017-09-22
Today, for everyone to share is "What is a single-core module, it has any advantages and disadvantages?" Single-core module has only one optical fiber port optical module products, only one fiber can be inserted at the same time optical signal Launch and receive, is a solution to save fiber resources. So do you know how the single-core module works? Then I give you one by one answer:
 What is a single-core module, what is its characteristics?
1. How does a single-core optical module work?

The main difference between a single-core optical module and a conventional dual-fiber bidirectional optical module is that a single-core module is equipped with a wavelength division multiplexing (WDM) coupler, which is a duplexer that will be transmitted on one fiber depending on the wavelength Data are merged and separated. For this reason, single-core optical modules are also considered WDM optical modules. In order to be able to work efficiently, single-core optical modules must be paired to use the tuning duplexer to match the desired wavelength of the transmitter and receiver to achieve bidirectional transmission of data.

2. Advantages and disadvantages of single-core optical module

Advantages of single-core optical modules:
① single-core optical module in the installation process can save more valuable space.
② competition in the industry more and more intense, many competitors are in the supply of single-core module, the development of the market makes more and more popular single-core module, it is necessary to keep up with the trend.
③ single-core optical module can reduce the cost of fiber-optic cabling infrastructure, because it requires less fiber optic cable and less fiber optic wiring board.

Disadvantages of single-core optical modules:
① compared with the general light module, then the price a little more expensive.
① must be used in pairs, there are some limitations.

3. Single-core optical module features:

①LVPECL / PECL data interface
② can meet the requirements of RoHS compliant products
③ integrated 1550 / 1490nm or 1550/1310 wavelength division multiplexer
④ meet Laser Class 1, meet IEC60825-1 requirements
⑤ can be supplied in accordance with RoHS requirements of the product single power supply +3.3 V / +5 V power supply
⑥ Requirements Operating temperature -40 ℃ ~ + 85 ℃ (industrial grade) 0 ℃ ~ +70 ℃
⑦ Complies with GR-468-CORE requirements.

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