Alcatel 1686 WM wavelength division multiplexer
The Alcatel 1600 series 1686 WM is a multi-channel optical transmission system designed to transmit up to 32 bi-directional signals on a pair of fibres.
The Alcatel 1686 WM covers a wide range of optical interfaces ranging from 4L-16.2 to 32L8-16.2 and 32L6-64.2 as defined in G.692 ITU-T specification.
This system is composed by two terminal stations and several line stations, the line stations can be Line repeaters (optical amplifiers) or OADM repeaters (optical add drop
multiplexers).