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What is ONU??


Johannesburg, 01 Mar 2016

The layout of FTTx networks are done in two configurations, either Active Optical Networks (AON) or Passive Optical Networks (PON). Using PON saves on fibre costs and is thus the more popular configuration. PON implements a point-to-multipoint architecture via Fibre Optic Splitters to enable a single fibre to serve many customers. This is achieved by sending both upstream and downstream traffic across the one fibre. PON consists of an Optical Line Terminal (OLT) at the exchange (hub) and a number of Optical Network units (ONUs), near end users.

The signal used between the OLT and ONUs are country-specific. Fujikura has launched unique new FID-30R / FID-31R Live Fibre Identifier (LFD) systems with ONU signal detection. These units can detect any signal in live fibre and ONU signals upstream and downstream, even on G.657 fibre. It displays the signal frequencies as well as the direction of the traffic. The Fujikura LFD can be updated via the Internet to detect new ONU signal frequencies. This measurement tool is the perfect fault-finding device for FTTx networks.

The Fujikura LFD can be purchased with or without a built-in Power Meter. Fujikura also supplies a frequency generating Light Source, the FID-20T to use with the LFD. Detection is done via clamping of the fibre and the result is instantaneous. Fujikura is the recognised world leader in splicing equipment featuring high-end quality products.

For more information, please contact IC Logistix at: +27 11 521 2370 or iclsales@iclogistix.co.za

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Zach Yacumakis
Managing Director
(+27) 11 521 2353
zachy@icl.co.za