ADTRAN T3SU 300 User Manual download pdf (Page 103)

61200217L1-1 T3SU 300 User Manual D-1

Appendix D Glossary

10baseT

Ethernet connector which implements the IEEE standard on 24-gauge,

unshielded twisted pair wiring.

AIS

alarm indication signal. An unframed all ones pattern that replaces the normal

traffic signal when a failure has been detected. This signal prevents logical con-

nections from terminating between devices.

AMI

alternate mark inversion. A bipolar line-coding format in T1 transmission sys-

tems whereby successive ones are alternately inverted.

ANSI

American National Standards Institute. A non-profit organization that coordi-

nates voluntary standards activities in the United States.

asynchronous

A method of data transmission which allows characters to be sent at irregular

intervals by preceding each character 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 bandwidth, the more information that can be sent in a

given amount of time).

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ADTRAN T3SU 300 User Manual Page 103