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| Nov 24, 2009 |
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IP Telephony without Migration Migraines
sponsored by Cisco Systems, Inc.
WEBCAST:
Many organizations are hesitant to make the transition from their traditional private branch exchange (PBX) to IP telephony due to the complexity of the process. Watch this webcast to receive a complete customer-tested migration roadmap that takes the complexity out of making this switch.
Posted: 02 Oct 2009 | Premiered: 02 Oct 2009
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Routers are Dead; Long Live the Router
sponsored by Cisco Systems, Inc.
WEBCAST:
Get a firsthand look at the next-gen routers that will enable you to create a truly borderless network, while giving you the convenient, powerful network management features you crave in today’s resource-challenged IT environment.
Posted: 20 Nov 2009 | Premiered: 20 Nov 2009
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ETHERNET CABLE DEFINITION (continued): … In 100 Mbps (megabits per second) Ethernet (known as Fast Ethernet), there are three types of physical wiring that can carry signals:100BASE-T4 (four pairs of telephone twisted pair wire)100BASE-TX (two pairs of data grade twisted-pair wire)100BASE-FX (a two-strand optical fiber cable)This designation is an Institute of Electrical and Electronics Engineers shorthand identifier. The "100" in the media type designation refers to the transmission speed of 100 Mbps. The "BASE" refers to baseband signalling, which means that only Ethernet signals are carried on the medium. The "T4," "TX," and "FX" refer to the physical medium that carries the signal. (Through repeaters, media segments of different physical types can be used in the same system.)The TX and FX types together are sometimes referred to as "100BASE-X." (The designation for "100BASE-T" is also sometimes seen as "100BaseT.") Ethernet Cable definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary
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