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ADTRAN T1 ESF CSU ACE user manual Appendix D Glossary

Models: T1 ESF CSU ACE

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Appendix D Glossary

4-wire Switched 56

An AT&T proprietary 56/64 kbps switched digital data service offered by telco service providers and delivered to users over 4 copper wires. Compatible with the T1 ESF CSU ACE 4-wire Switched 56 DBU option.

ANSI

American National Standards Institute. Devices and proposes recommendations for international communica- tions standards.

asynchronous

A method of data transmission which allows characters to be sent at irregular intervals by preceding each char- acter with a start bit, followed by a stop bit.

bandwidth

The bandwidth determines the rate at which information can be sent through a channel (the greater the band- width, the more information that can be sent in a given amount of time).

BECN

backward explicit congestion notification. A bit set by a frame relay network to notify an interface device (DTE) that congestion avoidance procedures should be initiated by the sending device.

bridge

A device that supports LAN-to-LAN communications. Bridges may be equipped to provide frame relay support to the LAN devices they serve. A frame relay capable bridge encapsulates LAN frames in frame relay frames and feeds them to a frame relay switch for transmission across the network. A frame relay capable bridge also receives frame relay frames from the network, strips the frame relay frame off each LAN frame, and passes the LAN frame on to the end device. Bridges are generally used to connect LAN segments to other LAN segments or to a WAN. They route traffic on the Level 2 LAN protocol (e.g. the Media Access Control address), which occupies the lower sub-layer of the LAN OSI data link layer. See also router.

CCITT

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

CD

carrier detect. A signal generated by a modem or DSU/CSU. CD indicates the presence of a carrier signal on a communications link.

clocking

An oscillator-generated signal that provides a timing reference for a transmission link. A clock provides signals used in a transmission system to control the timing of certain functions. The clock has two functions, (1) to gen- erate periodic signals for synchronization and (2) to provide a time base.

CPE

customer premise equipment. All telecommunications terminal equipment located on the customer premises, including telephone sets, private branch exchanges (PBXs), data terminals, and customer-owned coin-operated telephones.

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© 2004 ADTRAN, Inc

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ADTRAN T1 ESF CSU ACE user manual Appendix D Glossary
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T1 ESF CSU ACE specifications

The ADTRAN T1 ESF CSU ACE is a robust and essential device designed for the efficient transmission of data over T1 lines. As a Channel Service Unit (CSU) and Digital Service Unit (DSU) in one, it meets the needs of service providers and businesses that require reliable communication. This powerful device offers a seamless connection between customer premises equipment (CPE) and the public switched telephone network (PSTN).

One of the main features of the ADTRAN T1 ESF CSU ACE is its support for both T1 and E1 line formats, making it versatile for different telecommunications environments. The unit comes with advanced error correction capabilities, which significantly minimize errors during data transmission, ensuring high-quality service. The application of Extended Superframe Format (ESF) further enhances the error detection capability, thus providing greater reliability and service availability.

The CSUs in the ADTRAN T1 ESF CSU ACE are designed with integrated diagnostics that allow users to monitor real-time network performance. Features such as loopback testing and local/remote diagnostics help technicians quickly identify and troubleshoot issues, which saves time and reduces disruptions. The built-in LED indicators give immediate status updates on power, alarms, and line integrity, allowing for ease of use and management.

In terms of scalability, this CSU can accommodate growing business needs with its flexible configuration options. Users can manage and configure the device through an intuitive command line interface (CLI), making it accessible for network administrators of all levels. Furthermore, the unit typically supports full duplex operations, enabling simultaneous transmission and reception of data, which optimizes network efficiency.

The ADTRAN T1 ESF CSU ACE also adheres to industry standards, ensuring compliance with various network requirements. It includes surge protection and ensures a robust design that is suitable for deployment in diverse environments, from small offices to larger enterprise networks.

In conclusion, the ADTRAN T1 ESF CSU ACE stands out as a reliable, feature-rich solution for businesses requiring T1 connectivity. With its combination of high performance, robust diagnostics, and comprehensive error correction, this device is an essential component for ensuring efficient and uninterrupted communication in today's digital landscape.