Appendix D. Glossary

byte

Generally, an 8-bit quantity of information. This term is used mainly in referring to parallel data transfer, semiconductor capacity, and data storage.

carrier

The provider of the telecommunication services to the customer site. Carriers can be local telephone companies, regional telephone companies, or any inter- exchange carrier such as AT&T, Sprint, or MCI.

C-bit

An overhead bit in the DS3 string not used for framing, parity, or alarm indica- tion.

CCITT

Consultive Committee for International Telephony and Telegraphy. A standards organization that devises and proposes recommendations for international com- munications. See also ANSI.

CD

Carrier detect. A signal generated by a modem or DSU/CSU indicating the pres- ence of a carrier signal on a communications link.

channel

A transmission path between two or more termination points; also called a cir- cuit, facility, line, link, or path.

channel bank

Equipment in a telephone central office or customer premises that performs mul- tiplexing of lower speed digital channels into a higher speed composite channel. The channel bank also detects and transmits signaling information for each chan- nel, thereby transmitting framing information so that time slots allocated to each channel can be identified by the receiver.

channel service unit

See CSU.

61200659L1-1

MX2800 STS-1 User Manual

D-3

Page 176 Page 178
Page 177
Image 177
ADTRAN 1200657L2, 4200659L1, 4175043L2, 4200659L5, 4200659L8, 4200659L2, 4200659L7, 4200659L3, 4200659L6, 4200659L4 Ccitt
Page 176 Page 178

1200287L1, 1200291L1, 1200657L2, 4200659L4, 4200659L6 specifications

ADTRAN is a leading provider of networking solutions, offering a wide range of products that cater to various telecommunications needs. Among its notable offerings are the models 4200659L6, 4200659L5, 4200659L3, 4200659L2, and 4200659L1. These models are pivotal in the realm of broadband access technology and facilitate high-speed connectivity, which is vital for today’s fast-paced digital environment.

The ADTRAN 4200659 family is primarily designed for delivering robust Ethernet services over various infrastructures. One of the main features of these models is their support for both symmetrical and asymmetrical bandwidth options, which allows service providers to tailor their offerings to suit diverse customer needs. This flexibility ensures that both small businesses and large enterprises can find a solution that meets their specific requirements.

Each model in the 4200659 series supports advanced networking protocols, ensuring compatibility with a wide range of existing systems. This characteristic makes them ideal for seamless integration into existing networks, minimizing downtime and maximizing efficiency during deployment. The models also feature built-in diagnostics tools that help operators quickly identify and resolve connectivity issues, significantly reducing maintenance time and costs.

In terms of performance, the 4200659 models boast impressive throughput capabilities, with options to support data rates that facilitate high-definition video streaming, online gaming, and other bandwidth-intensive applications. With the increasing demand for faster internet connections, these models stand out by providing reliable service that can handle multiple concurrent users without compromising speed.

Additionally, the ADTRAN 4200659 family is built with scalability in mind. As a service provider's customer base grows, these models can be easily upgraded or expanded with additional modules, ensuring a future-proof investment. They also support various management interfaces, enabling simplified remote monitoring and configuration, which is essential for today's service delivery environments.

Finally, the design of the 4200659 models emphasizes energy efficiency, aligning with global efforts toward sustainability in telecommunications. Their compact form factor and low power consumption make them an environmentally friendly choice.

In conclusion, the ADTRAN 4200659L6, 4200659L5, 4200659L3, 4200659L2, and 4200659L1 models represent cutting-edge solutions for broadband access. With their advanced features, scalability, and focus on performance, these models are well-positioned to support the evolving needs of telecommunications providers and their customers in an increasingly connected world.
Top Page Image Contents