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Appendix D. Glossary
V.35
A standard for trunk interface between a network access device and a packet network that defines signaling for data rates greater than 19.2 kbps.
VT 100
A
WAN
wide area network. A communications network serving geographically separate areas. A WAN typically extends a LAN outside the building to link to other LANs over telephone lines.
yellow alarm
A T3 yellow alarm is an indication sent back toward the source of a failed trans- mit circuit in a DS3
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