...caused when power is switched on or off to a high-powered device. Surges can produce high-transient voltages, which damage LAN and serial interfaces that typically use less than 12 volts to transmit. • Avalanche diodes • Surges can be protected b...

Cable-Based A/V Distribution • Cable-Based A/V Distribution • In-line based • In-line extenders, installed at some point within a link, extend signals over their native cabling with no signal conversion occurring. These amplification or repeat...

HDBaseT • HDBaseT • HDBaseT is a connectivity standard for distribution of uncompressed HD multimedia content. HDBaseT technology converges full HD digital video, audio, 100BaseT Ethernet, power over cable, and various control signals through ...

TDM and ATM • In the field of transmission technologies, TDM and ATM are the two main competing philosophies for xDSL. Both are abbreviations, as is usual in the realm of technology. TDM stands for Time Division Multiplexing and is based on th...

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Types of Firewall • Types of Firewall • Packet filtering • Packet filtering or network layer (Layer 3) firewalls make decisions based on the source and destination addresses and ports in IP packets. This basic form of firewall protection is re...

...every router, every switch has the necessary amount of air no matter how high or low it is in the cabinet. It takes a certain volume of air to cool a device to within its ideal temperature range. Equipment manufacturers provide very little guida...

...distances or through switching systems. In this case the corresponding video splitters, video extenders, and video switches all must support HDCP to take part of the key information exchange. Every active device in the transmission chain must par...

DSL Solutions • DSL Solutions • A local area network stretching over several kilometers? • No problem with DSL products from Black Box. While the extent of local area networks was greatly limited in the past by the tight restrictions imposed b...