1. Wide Area Networks & Standards
Transmitting voice communications over phone lines isn't all that demanding, the odd hiss, crackle, or bit of line noise doesn't have a serious effect on the quality of a phone conversation. ... A phone connects to a local telephone-switching centre via twisted-pair cables. If the connection is between two phones in the same area, the local switch creates a connection between the circuits from each phone. ... Cell switching, also called asynchronous transfer mode (ATM), is a high-speed technology that switches fixed-length, 53-byte cells at speeds of 155-Mbps and higher. Designed...
- Word Count: 2573
- Approx Pages: 10
- Has Bibliography
- Grade Level: High School