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optical distribution network (DSL) (ODN)

The optical distribution network (ODN) extends between the optical line termination( OLT) and the optical network unit( ONU), which in the case of Fiber to the Home ( FTTH), for example, is located in the customer's company building.

In the optical distribution network, data is transmitted bidirectionally via optical media and optical components. Monomode fibers are usually used as optical media, transmitting data from downstream users over different wavelengths. GPON and 10GEPON are used in the optical access networks. Optical splitters provide point-to-multipoint connectivity.

Access network architecture

Access network architecture

In the optical access networks, the optical line termination (OLT) and the optical network unit (ONU) are interconnected by an optical fiber; the maximum distance between the two units is about 20 km.

Englisch: optical distribution network (DSL) - ODN
Updated at: 05.11.2019
#Words: 117
Links: distribution network, optical line termination (OLT), optical line termination (OLT), optical network (ON), unit (U)
Translations: DE

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