Zhone Technologies IMACS-200 User Manual

Page 293

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Glossary

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User port

A Voice port, Data port, or Alarm port.

VBR

Variable Bit Rate

VC

Virtual Channel

VCL

Virtual Channel Link

VP

Virtual Path

VPC

Virtual Path Connection

WAN

Wide Area Network

WAN port

Wide Area Network port (one of the ports for this system).

wideband

A bandwidth equal to many individual channels

X.50

CCITT (ITU) standard data transmission protocol.

yellow alarm

Remote alarm on a T1 line. A major failure has occurred at a remote location.

ZCS

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