Basic Knowledge about PON Optical Modules
Optical modules can be divided into two categories, data communication optical modules and PON optical modules. Data communication optical modules are our more commonly used optical modules, which are generally used in enterprise networks, data centers, base stations, etc.; and PON optical modules are It is used in the access network (PON system).
What is a PON optical module?
PON optical module is a high-performance optical module used in PON system, also known as PON module, in line with ITU-T G. 984.2 standard and Multi-Source Agreement (MSA), which uses different wavelengths to send and receive signals between an OLT (Optical Line Terminal) and an ONT (Optical Network Terminal).
Classification of PON Optical Modules
①Classified by transmission protocol
According to the transmission protocol, PON optical modules can be divided into four types: APON (ATM PON) optical modules, BPON (Broadband Passive Network) optical modules, EPON (Ethernet) optical modules and GPON (Gigabit Passive Network) optical modules. The most commonly used are EPON optical modules and GPON optical modules.
②Classified by package
Most of the optical modules used in fiber-to-the-home transmission that we often say are PON modules, and the operating wavelength is usually 1310nm/1490nm, and there are SFF packages, SFP packages, SFP+ packages and XFP packages.
Features of PON Optical Modules
The general transmission distance of PON modules is only 10KM or 20KM. Unlike traditional optical modules, which are used in pairs, PON optical modules are generally not used in pairs. The interface type is generally SC interface, and the working rate is generally gigabit or 10G. As one of the indispensable accessories of fiber-to-the-home, PON optical module is widely used in access network.
