GL-12 Issue 5 June 2000
363-206-208
Glossary
MJ
Major Alarm.
MML
Man-Machine Language defined by CCITT
MN
Minor Alarm.
MSDT
Multi-Services Distant Terminal.
MTBF
Mean Time Between Failures.
MTBMA
Mean Time Between Maintenance Activities.
Muldem
An older term for function group; now seldom used.
Multiplexing
The process of combining several distinct digital signals into a single composite digital
signal.
Mult
The cascading of signals between shelves in a bay. In the MULT mode, the DS1 exter-
nal reference can be cascaded to other shelves in a bay using Mult cables, normally
starting with the bottom shelf (Number 1) and working towards the top of the bay.
MUX
Multiplex. A device that multiplexes.
MXRVO
Circuit Pack.The MXRVO circuit pack multiplexes seven VT-G signals from the DS1 cir-
cuit packs to an STS-1 signal for connection to the OLIU circuit packs.
N
NARTAC
North American Regional Technical Assistance Center. Previously known as RTAC.
NE
Near-End. The network element the user is at or working on. Also called local. Do not
confuse with NE as used to mean Network Element. The difference can be discerned
by the context of the material in which it appears.
To Next Page
Loading...
Need help?
General
