In Fiber to the Home (FTTH) networks OLT stands for Optical Line Terminal.
OLT is the starting point for the passive optical network, which is connected to a upstream core network.
The OLT convert, frame, and transmit signals for the PON network and to coordinate the optical network terminals.
PON works on wavelength division multiplexing using one wavelength for downstream traffic and one wavelength for upstream traffic on a single fiber. Both EPON and GPON operate similarly since they are a type of PON, but there are differences.
GPON provides:
Up to 2.5 Gbps
Reach: Up to 64 ONU per PON
EPON provides:
Up to : 1 Gbps
Reach: Up to 32 ONUs per PON
EPON and GPON has their own advantages and disadvantages as per uses. In performance comparison, GPON is better than EPON, EPON has much advantages on deployment time and cost. For the users who have demands of multi-service, high QoS and security, ATM backbone network, GPON seems to be an better option. And for low cost and has less security requirements, EPON may be better.
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PON SFP
C++ Mini Output Power 5 to 7 dbm up to 20km transmission
C+++ Mini Output Power 7 to 9 dbm up to 20km transmission
