Traditional Culture Encyclopedia - Traditional virtues - What is the use of ptn and sdh olt in the mobile computer room?
What is the use of ptn and sdh olt in the mobile computer room?
PTN SDH is a data-bearing network device, which is used to provide channels for core devices and access devices.
PTN belongs to packet transmission technology and is based on Layer 2 switching. SDH is a traditional synchronous time transmission network technology.
PTN is based on label switching and is suitable for data service access. SDH adopts step-by-step mapping, which is suitable for traditional E 1 services.
OLT belongs to EPON products and is passive communication. Belonging to the access layer equipment. Connect directly with ONU to realize FTTH.
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