Specifications

Rockwell Automation Publication AG-SG001G-EN-P - April 2015 81
Glossary
Slave See remote station.
Slave Protocol See Half-duplex Protocol.
Serial Port An electrical connection on a computer that handles data bits one after another.
The communication port (COM1 or COM2) to which devices such as a modem,
a mouse, or a serial printer can be attached.
Spurious Character A false or unexpected character received when none is expected.
Standard Radio Modem An assembly that contains both a radio and a modem, which transmits data
without any special handling. Data error checking is the responsibility of the
receiving station (DTE).
Station Any programmable controller, computer, or data terminal connected to, and
communicating by means of, a data channel. A device on a network.
Station Addressing The syntax allowing packets to be routed correctly between master and remote
stations.
Synchronous Transmission A type of serial transmission that maintains a constant time interval between
successive events.
Tel e m e tr y Transmission and collection of data obtained by sensing real-time conditions.
To p o l o g y The way a network is physically structured. Example: a ring, bus, or star
configuration.
Transceiver An electronic device that operates as both a radio transmitter and receiver.
TXD Transmitted Data. An output from the module that carries serialized data.