User's Manual

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Glossary
non-volatile memory Permanently stored information. It is not lost
when the power is turned off.
packet data A block of data for transmission.
parity bit An error-checking method in asynchronous
transmission. An additional non-data bit
added to a group of bits to indicate whether
the number of bits in the group is odd or even.
PIN Personal Identification Number. A security
number that allows you to access a system.
PPP Point-to-point protocol.
protocol A set of conventions regulating the format
and relative timing of message transfer
between two communication terminals.
RAM Random Access Memory. The working
memory of the computer where you can enter
information and call up data.
RTS Request to Send. Signal sent from the local
terminal to the local modem to prepare the
modem for data transmission.
serial port An input/output (I/O) port that transmits data
one bit at a time; as opposed to a parallel port
which transmits multiple (usually eight) bits
simultaneously. RS232C is a common serial
interface standard.