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JSL2000 NM System
With the expansion of the cable TV network and the rapid development of the technology, the scale of the network and the quantity of the facility have been on therise with each passing day. The industrialization need for the cable TV and thedevelopment of various businesses have demanded a lot over the reliability ofthe network, the quality of the transmission and the service, which brings abouta great challenge to the management of the network.It is more important to manage a HFC well than to construct it well. With the expansion of the network scale and equipment, the reliability of the system has beenreduced. That will bring about the disastrous effect to the operator running thedata by Dual HFC.How to manage a network well, to find out the hidden trouble and get rid of it, andto improve the reliability to ensure the smooth operation of the net are the most cared concerns of the equipment suppliers and the operator. Therefore, in orderto prevent the unnecessary trouble, at the same time the cost could be saved,an efficient HFC network is a must.Main structure:Administration computer is a system which based on the standard C/S or B/S. It commonly consists of NM server, data-base server and several client server, they areconnected by the IP data network which can be the local area network, town areanetwork or internet. The NM server is the centre of attempering and managingthe data in the NM system, and the data-base server keep all the data and information of the NM system, both of them are normally installed in the general headend, and also they could be installed in one hardware platform. The client serveroffers the user`s graphic interface to finish the operation and controlling, itcould be installed in the general headend, subsidiary headend or any place in theIP network.Headend controller: headend controller locate in the general headend and every subsidiary headend, it is the gateway that connect the IP network and HFC network.The data between the headend controller and the administration computer is transmitted by the IP data network.Responder: the responder is installed inside or outside the facility end, downwardsto collect and control the data of the facilities which were monitored and controlled,upwards to communicate with the headend controller. The responders shouldmatch the facilities, including the hardware and software.
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