Instruction manual

GLOSSARY
Attendant
The operator of the attendant console.
Attendant Console
● Direct Trunk or Switched Loop Attendant Console: An electronic call-
handling position with pushbutton control. Used by attendants to answer and
place calls and to manage and monitor some system operations.
● Direct Extension Selector Console: Provides the attendant with a visual
indication of the active or idle status of extension numbers assigned in the
system. Also allows the attendant to extend calls to system users by
operation of appropriate Hundreds Group Select buttons and associated
Direct Extension Selection (DXS) buttons.
Auxiliary Equipment
● Dictation Equipment
● Delay Announcement Devices
● External Alerting Devices (external alerts)
● Music-On-Hold Equipment
● Paging Equipment
Auxiliary Trunk
A trunk circuit used to connect auxiliary equipment to the switch, for example, music
or dictation equipment.
B8ZS (Bipolar 8 Zero Suppression)
Bipolar 8 Zero Suppression (B8ZS) line coding format monitors the transmit bit
stream for a string of eight zeros. It uses a bipolar violation scheme to meet the
ones-density requirement.
B8ZS is required for transmitting unrestricted digital data.
BLF: (Busy Lamp Field)
BPS: (Bits Per Second)
Bit (Binary Digit)
One unit of information in binary notation (having two possible states or values, zero
or one).
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