Appendix C. Acronyms/Abbreviations

T1 ESF CSU ACE User Manual

 

 

 

FR

frame relay

 

FRAD

frame relay access device

 

FRF

frame relay forum

 

FSU

frame relay service unit

 

HDLC

high-speed data link control

 

IP

internet protocol

 

ISDN

integrated services digital network

 

ITU

International Telecommunications Union

 

KA

keep alive

 

LAN

local area network

 

LED

light emitting diode

 

LLC

logical link control

 

LMI

local management interface

 

LRC

lateral redundancy check

 

MIB

management information base

 

ms

millisecond

 

NRZ

non-return to zero

 

NRZI

non-return to zero inverted

 

OCU

office channel unit

 

OOS

out of service

 

PLAR

private line automatic ringdown

 

PPP

point to point protocol

 

PU

physical unit

 

PVC

permanent virtual circuit

 

RD

receive data

 

RDL

remote digital loopback

 

RFC

request for comments

 

RFECN

remote forward explicit congestion notification

 

RIP

routing information protocol

 

RMA

return material authorization

 

RR

receiver ready

 

RS

recommended standard

 

RTS

request to send

 

Rx

receive

 

SAP

service access point

 

SDLC

synchronous data link control

 

SLIP

serial line internet protocol

 

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© 2004 ADTRAN, Inc

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ADTRAN T1 ESF CSU ACE user manual Frad

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.