Northern Telecom Meridian 1 Installation And Maintenance Manual page 220

Page 210 of 220 List of terms
553-3601-200 Standard 7.00 November 1998
information on site planning.
System LID The System Access Logical Identifier (LID) is a four-digit
hexadecimal number by which the system identifies itself to portable
telephones and which the portable telephones use to request service from the
system. Only the installer can change the System LID.
System Reevaluation The process which automatically assigns Base
Stations to cells and defines the cell configuration.
System Security Number (SSN) The unique number that identifies
each Meridian Companion system.
TCM Time Compression Multiplexing.
Time Compression Multiplexing (TCM) unit number A four-digit
number that identifies a card and unit (cc-uu). In Meridian Companion, one
port supports the Administration Terminal or a RAD connected to an
administration PC. (If a system has an Administration Terminal and a RAD,
each has a separate port.) The other ports support Base Stations and portable
telephones.
TN Terminal Number. A port on a Meridian 1 system to which a particular
telephone set is connected.
UTAM Activation Code Activates the wireless capability on a new system
and in system upgrades involving a change to the number of Base Stations
supported.
UTAM Recovery Code This code will clear a system of its "disablement"
status and restore the Meridian Companion system to its previous radio
capacity.
UTAM Inc. Unlicensed Transition And Management for Microwave
relocation in the 2 GHz band. This is the private body appointed by the FCC
to coordinate the deployment of Personal Communication Services in the
Unlicensed spectrum and manage the relocation of existing users in that
spectrum.
Version number See system version.
WTN Wireless Terminal Number. A four-digit number that maps to a
Terminal Number (TN) and can be assigned to a portable telephone.