DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Glossary and abbreviations
1644
MMS
Material Management Services
MOMaintenance object
modem
A device that converts digital data signals to analog signals for transmission over telephone circuits. The ana-
log signals are converted back to the original digital data signals by another modem at the other end of the cir-
cuit.
modem pooling
A capability that provides shared conversion resources (modems and data modules) for cost-effective access
to analog facilities by data terminals. When needed, modem pooling inserts a conversion resource into the
path of a data call. Modem pooling serves both outgoing and incomi ng calls.
modular processor data module (MPDM)
A processor data module (PDM) that can be configured to provide several kinds of interfaces (RS- 23 2C,
RS-449, and V.35) to customer-provided data terminal equipment (DTE). See also processor data module
(PDM).
modular trunk data module (MTDM)
A trunk data module that can be configured to provide several kinds of interfaces (RS-232, RS-4 49, and V.35)
to customer-provided data terminal equipment.
modulator-demodulator
See modem.
monitored call
See active-notification call.
MOS
Message-oriented signaling
MPDM
Modular processor data module
MSMessage server
msMillisecond
MS/T
Main satellite/tributary
MSA
Message servicing adjunct
MSG
Message service
MSL
Material stocking location
MSM
Modular System Management