User`s guide

Resolution
A measurement of the dots-per-inch (dpi) in output material, either printed
or visual, as in a “high-resolution monitor.” Your printer features a
300-dpi resolution.
ROM
An acronym for Read Only Memory, ROM is a more stable kind of
memory than RAM. Information stored in ROM is retained and can be
retrieved each time the machine is activated.
RS-232C
A 25-pin hardware interface which allows the transfer of data in an
asynchronous serial format. It has five user-defined parameters: baud rate,
data bits, parity, stop bits, and protocol.
RS-232C Interface
This serial interface specification is published by the Electronic Industries
Association which establishes standards for data communication.
RTS
An acronym for Request to Send. RTS is a signal sent from the host to the
printer indicating it is ready to send data.
Serial
A data transmission technique that sends each bit sequentially over a
single line. It is normally used to send one bit at a time for data commu-
nications.
G-14 Glossary