User`s guide

Glossary
GL-8 Issue 3 October 1995
on-hook
The state of a telephone or modem that is not being used.
Originate mode
The state in which a modem is ready to initiate a call.
P
parity
A way of checking data accuracy by counting the number of bits
that have a value of one.
PBX
Telephone switching equipment (Private Branch Exchange)
dedicated to one customer. A PBX connects private telephones
to each other and to the public dial network.
protocol
The rules for timing, format, error control, and flow control during
data transmission.
pulse dialing
One of two dialing methods, in which telephone numbers are
sent as pulses (brief changes in voltage or current intensity)
across the telephone line. Rotary telephones use pulse dialing.
R
result code
An asynchronous message (in either numbers or words) that the
modem sends to the computer after executing or trying to
execute a command.