Symbol PTC-960L, Руководство пользователя

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RTS
Request-to-send signal. RTS initiates the data
transmission sequence on a communication line
between a modem and a terminal device.
RXD
Receive data signal. RXD indicates that a device is
currently receiving data.
signals
Electronic impulses that transmit data from one
device to another.
software
A stored program or set of programs that is loaded
into RAM for execution. Contrast with
hardware .
TCAL
Telxon Common Application Language. Telxon’s
proprietary programming language for PTCs.
two-way
communication
Exchange of information between two devices. After
each block of data, the receiving device sends a
positive or negative acknowledgment to the sending
device.
TXD
Transmit data signal. TXD indicates that a device is
currently transmitting data.
VDC
Volts direct current. A unit of measure of electric
potential or potential difference in a unidirectional
current.
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