CubiScan 325
48
APPENDIX A
COMMUNICATIONS
PROTOCOL
This appendix contains the cable pin assignments and command set description for the interface
between the Cubiscan 325 and a host computer via a serial RS-232 connection, a USB
connection, as well as for the interface between the Cubiscan 325 and a network via an Ethernet
TCP/IP connection.
“Command set summary” on page 52
lists the command sets that can be used to set up the
Cubiscan 325 for cubing and weighing. These command sets can also be used in the actual
cubing and weighing process.
The
“TCP/IP command set summary” on page 78
lists the commands used to set up the
Cubiscan 325 for TCP/IP communications with a network.
Serial (RS-232-C) cable pin assignments
The Cubiscan 325 serial ports use the EIA RS-232-C communications protocol. The data is serially
transmitted ASCII characters.
The following table shows the serial connector pin assignments. All other pins are not
connected.
RS-232-C male DB 9-pin assignments
Pin
Signal
Description
Pin 2
RXD
Commands from the host computer
Pin 3
TXD
Data from the controller unit to the host
Pin 5
SGND
Signal ground (DB-9 connector)
