Analyze the classification and characteristics of PON optical modules

PON module is a high-performance optical module used in PON system,Referred to as the PON module,Comply with ITU-T G.984.2 standard and multi-source agreement (MSA),It uses different wavelengths to send and receive signals between OLT (Optical Line Terminal) and ONT (Optical Network Terminal).

Types of GPON optical modules

GPON OLT B+

GPON OLT C+

GPON OLT C++

GPON OLT C++Enhanced

 

Types of EPON optical modules

EPON OLT PX20+

EPON OLT PX20++

EPON OLT PX20++Enhanced

 

In terms of bandwidth, more than 100 megabits of bandwidth and gigabit access will become more and more common.In terms of technology, 10G PON will become more and more popular. In addition to 10G PON, operators are also actively promoting the progress of next-generation PON technology.

 

Characteristics of PON optical module

◆ The transmission protocols of PON optical modules are APON (ATM PON), BPON (Broadband Passive Optical Network), EPON and GPON. EPON and GPON are currently widely used.

◆ Can avoid electromagnetic interference and lightning impact of external equipment.

◆ Reduce the failure rate of lines and external equipment, improve system reliability, and reduce maintenance costs.

PON optical module compared with traditional module

PON optical module

Optical signal transmission mode: point-to-multipoint (P2MP), modules are not used in pairs.

Fiber link loss: including attenuation, dispersion, fiber connection insertion loss, etc.

Transmission distance: generally 20 kilometers.

Application: mainly used in access network.

Traditional optical module

Optical signal transmission mode: point-to-point (P2P), modules should be used in pairs.

Fiber link loss: including attenuation, dispersion, fiber connection insertion loss, etc.

Transmission distance: up to 160 kilometers.

Application: Mainly used in backbone network.