Dhanwada Devi Gayatri
FIBER OPTICS COMMUNICATION
Friday, September 18, 2009
USES IN WAN
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Today, the optical fiber is widely used in France, Europe and in the world. In France and Europe, we can mention the network that LDCOM com...
Sunday, September 6, 2009
The use of SONET and WDM
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Today, the use of SONET and WDM multiply. Indeed, coupled use of these two technologies yields networks Optical integrating the strengths of...
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The return of alarms
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SDH allows the sky to achieve the alarm on the various equipment. These alarms correspond to different problems could exist on the equipment...
Wednesday, September 2, 2009
Equipments of SDH connections
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Major equipment There are 4 main categories of equipment to make connections SDH: • Switch card: This card provides the functions of multip...
Tuesday, September 1, 2009
The SONET frame and security
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The SONET frame is composed of 9 rows. The first three bytes of each row contain information synchronization and supervision. Similar to SDH...
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