ASCII Protocol PLX3x Series
User Manual Ethernet and Serial Gateways
Page 152 of 218 ProSoft Technology, Inc.
May 26, 2016
8.1 ASCII Functional Overview
The ASCII protocol permits the PLX3x Gateway to interface any ASCII device to
the many protocols and networks available. ASCII devices include barcode
scanners, weigh scales, many field instruments, printers, and terminals. The
protocol supports one to four serial communication ports that provide
accessibility from one to four independent serial networks.
8.1.1 General Specifications
Ports: One to four serial communication ports to receive and/or transmit
data
Receive buffer size: 255 bytes
Receive termination: Stream mode, termination character(s), message
timeout, inter-character delay, or packet size length
Receive database location: -1 = disable receiver, 0 to 3896
Transmit buffer size: 255 bytes
Transmit characters with pacing: 0 to 65535 millisecond delay between
each transmitted character
Transmit database location: -1 = disable transmitter, 0 to 3896
Communication Configuration
o Baud Rate: 110 to 115,200
o Parity: None, Odd, Even
o Data Bits: 5 to 8
o Stop Bits: 1 or 2
o RTS On and Off Timing: 0 to 65535 milliseconds
o Minimum Response Delay: 0 to 65535 milliseconds
o Hardware or Software Handshaking: RTS/CTS, DTR/DSR, or
XON/XOFF
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