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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. Compare with
TCAL
Telxon Common Application Language. Telxon’s
proprietary programming language for Portable
Tele-Transaction Computers (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.
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