Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 456

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Glossary
tip/ring
touch-tone receiver
T/R
trunk
trunk jack
trunk pool
TTR
U
uninterruptible
power supply
unit load
UPS
Contacts and associated conductors of a single-line
telephone plug or jack.
See TTR.
See tip/ring.
A telecommunications path between the
communications system and the telephone company
central office (CO) or another switch. Often used
synonymously with line.
See line/trunk jack.
See pool.
(touch-tone receiver) Device used to decode DTMF
touch-tones dialed from single-line telephones or
Remote Access telephones.
See UPS.
Measure of the power load drain of a module,
telephone, or adjunct.
(uninterruptible power supply) Device that connects
to the system to provide 117 VAC to the equipment
when the commercial power source fails.
Issue 1
June 1997
Page GL-38