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Appendix D. Glossary
61200217L1-1 T3SU 300 User Manual D-11
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 non-intelligent terminal or terminal emulation mode used for asynchronous
communications. Used to configure the T3SU 300.
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 two-way transmission path. The X-bits (X1 and X2) are set to
zero.