Nortel Meridian SL-100 Reference Manual page 317

TADO
See touch asynchronous data option.
touch asynchronous data option (TADO)
The touch asynchronous data option provides data capabilities to the M3000
Touchphone with an interface to ASCII terminals and personal computers at
data speeds from 110 bytes/s to 19.2 Kbyte/s.
TSG
telephone security group
Trunk Member Display (TRKDISP)
The TRKDISP feature is used with the Meridian business set
(MSB)/integrated voice and data (IVD) display sets. When the TRKDISP
key is depressed, the feature is activated and displays the common language
identification location (CLLI) and circuit member number of the trunk to
which it is connected.
UEM
See universal equipment module.
universal equipment module (UEM)
The UEM provides the framework for housing the IPE module.
VDN
See voice directory number.
virtual leased line (VLL)
A virtual leased line is a circuit that is part of a communications
arrangement in which data may be passed over various real circuit
configurations during a single period of communication. Typically this
circuit is rented from a local telecommunications administrations carrier, and
use of it is dedicated.
VLL
See virtual leased line.
voice directory number (VDN)
A voice directory number represents the number that designates a voice
subscriber station within a numbering plan area.
WTD
warning tone denied
0DH (carriage return)
Same as pressing the Return key.
Meridian SuperNode MSL-100 Meridian Modular Telephones Reference Manual MSL11
List of terms 18-19