Cisco has formalized a network’s life cycle into six phases:Prepare, Plan, Design, Implement, Operate, and Optimize. These phases are collectively known as PPDIOO. Prepare Phase The […] Read More


Since its inception the PacketCable initiative has been positioned as an IP-based Multimedia service deployment infrastructure, exploiting and enhancing the underlying QoS capabilities of the […] Read More

Cisco TelePresence IX5000

The most advanced collaboration experience create exceptionally vibrant immersive telepresence experiences with a state-of-the-art, rich-media system that is less costly to deploy than ever before.Finely […] Read More

Circuit vs Packet Switching

Circuit switching is used in public telephone networks and is the basis for private networks built on leased lines and using on-site circuit switches.Circuit switching was developed […] Read More

T568A and T568B Schemes

ANSI/TIA -568-C Wiring Schemes T568A and T568B ANSI/TIA-568-C does not sanction the use of the USOC scheme. Instead, two wiring schemes are specified, both of which are […] Read More

Types of Fiber Cables

Simplex and Zip Cord: Simplex cables are one fiber, tight-buffered (coated with a 900 micron buffer over the primary buffer coating) with Kevlar (aramid fiber) […] Read More

Signaling & Control

“Only in rare instances can a telephone operator know how momentous are the spoken messages for which she established the connections. Life and death may […] Read More