JDSU introduces centralized remote PON test system
-- Test & Measurement World, 7/1/2009 9:00:00 AM
JDSU's centralized remote PON (passive optical network) test system allows operators to turn up and even restore IPTV and other broadband services in the field. This application tests point-to-multipoint networks through the CO (central office) using a Web browser. It works with the JDSU ONMS (Optical Network Management System), which includes point-to-point fiber monitoring and an optional GIS (geographic information system) for network documentation.
Conventional troubleshooting methods require time-consuming coordination between the central office and field personnel using portable devices to conduct tests. The OMNS centralized remote PON test system enables a technician in the field to troubleshoot any leg of the PON by accessing an OTDR in the CO through a mobile phone or Web browser. The ability to perform single-ended measurements without involving a second person at the CO enables faster service turn up and restoration. The OMNS also lets NOC (network operations center) personnel check the current status of a fiber in seconds without formal training in the use of an OTDR.
The ONMS comprises an OTU-8000 remote test unit in the CO, reflectors at the PON terminations, and a server application that technicians can access in the field to control the remote test unit. The OTU-8000 includes an OTDR and an optical switch that enables the selection of a PON test. This approach allows testing of any PON connected to the switch with a single OTDR. The OTDR uses a different wavelength than the one used by network traffic, permitting testing of the PON while it is in service.
JDSU, www.jdsu.com/test.
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