Alcatel-Lucent 9500 MXC User Manual page 897

A program interrupt, usually caused by some exceptional situation in the user program. In most cases, the
operation system performs some action, then returns control to the program. Used for event notification with
SNMP.
Trib
Tributary
TTL
Transistor-Transistor Logic.
integrated circuits. It originated from Texas Instruments in 1965.
Tx
Transmit
UDP
User Datagram Protocol. The protocol used to transport SNMP requests and traps.
UDP/IP
User Diagram Protocol/Internet Protocol
UI
User Interface
URL
Uniform Resource Locator. A user-friendly way to represent an IP address. For example 'www.google.com' is
a URL.
UTC
Coordinated Universal Time. This time format is used whenever a time zone independent time and date is
required. Identical to Greenwich mean time (GMT) for most purposes.
UV
ultraviolet
V.24
erial data communication interface. Also called RS-232.
S
VCO
Voltage Controller Oscillator
An electronic circuit designed to produce an ideally stable alternating voltage.
Vdc
Volts Direct Current.
VDE
ideo Display Emissions
V
3DB 23063 ADAA - Rev 004 July 2007
A common semiconductor technology for building discrete digital logic
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