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An optical line terminal (OLT) is the endpoint hardware device in a passive optical network (PON).
An OLT has two primary functions:
- Converting the standard signals used by a FiOS service provider to the frequency and framing used by the PON system.
- Coordinating the multiplexing between the conversion devices on the optical network terminals (ONTs) located on the customers' premises.
The OLT contains a central processing unit (CPU), passive optical network cards, a gateway router (GWR) and voice gateway (VGW) uplink cards. It can transmit a data signal to users at 1490 nanometers (nm). That signal can serve up to 128 ONTs at a range of up to 12.5 miles by using optical splitters.
Continue Reading About optical line terminal (OLT)
- An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a passive optical network.
- An optical line terminal (OLT), located at the provider's central office, transmits data to users at 1310 nanometers (nm). The signal passes through splitters and can serve up to 128 customers at a range of approximately 20 kilometers, or 12.5 miles… A single OLT can serve thousands of customers and can be centralized in a campus environment.