RIM 902M, Integrator Manual

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Glossary of terms
Term: Meaning:
c The speed of light.
dB decibel. A measure of power, based on a logarithmic scale.
Embedded System A computer without the normal display, keyboard, and
disk drives of a PC.
FPC Flexible Printed Circuit. The serial communication cable
on the RIM 902M is made using this type of flat multi-
conductor wiring.
Gain In this document, refers to increase/decrease in radiated
power.
MAN Mobitex Access Number. Each Mobitex radio modem has
one unique MAN. A MAN is a 24-bit number. The
network operator will assign a MAN to each radio modem
when they authorize its use on their Mobitex network.
MASC Mobitex Asynchronous Serial Communications. The link
layer protocol exchanged via an asynchronous full-duplex
serial channel between a data terminal or computing
device and the RIM 902M OEM Radio Modem.
MMCX The connector on the RIM 902M to which an antenna
cable is connected.
Mobitex A radio network and its communication protocols, created
by Ericsson and the Swedish Telecommunications
Administration.
MPAK Mobitex Data Packet. A parcel of data transferred
between the Mobitex network and the radio modem.
Network Operator The corporation or agency which installs, maintains and
authorises use of a Mobitex network in a given area,
usually within one country.
Noise Refers to undesired, random interference combining with
the signal. If the device is not immune to noise, the
interference must be overcome with a stronger signal
strength. Noise can be produced by electronic components.