Vanguard Managed Solutions Vanguard 7300 Series 用户手册
Glossary-4
UDP
User Datagram Protocol
UTP/STP
Unshielded Twisted Pair/Shielded Twisted Pair
V.35/V.36
ITU-T standard synchronous physical layer protocol between
a network access device and a packet network.
a network access device and a packet network.
VAD
Voice Activity Detection
VLAN
Virtual Local Area Network
VME
VersaModule Eurocard
VoFR
Voice over Frame Relay
VoIP
Voice over Internet Protocol
WAN
Wide Area Network
X.21
ITU-T standard serial communications over synchronous
digital lines used primarily in Europe and Japan
digital lines used primarily in Europe and Japan
X.25
CCITT recommendation for interface between data terminal
equipment and packet-switched data networks.
equipment and packet-switched data networks.
(See Telnet.)
ZAP
Console terminal command-line utility
Term
Meaning