Communication Protocol Serial (RS-232-C) Cable Pin Assignments
CubiScan 125 Service Manual 57
Serial (RS-232-C) Cable Pin Assignments
The CubiScan 125 serial ports use the EIA RS-232-C communications protocol. The data are
serially transmitted ASCII characters.
The following table shows the serial connector pin assignments. All other pins are not connected.
The following table shows the parameters for asynchronous communications through the RS-232
serial cable.
Ethernet (TCP/IP) Cable Pin Assignments
The CubiScan 125 Ethernet port uses the 10/100Base-T TCP/IP communications protocol. The
following table shows the Ethernet RJ-45 connector pin assignments.
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)
Asynchronous
Communication
Parameters
Baud Rate 9600
Parity None
Data Bits 8
Start Bits 1
Stop Bits 1
RJ-45 Connector Pin Assignments
Pin Signal Description
1 TD+ Transmit Data
2 TD- Transmit Data
3 RD+ Receive Data
4 NC No Connection
5 NC No Connection
6 RD- Receive Data
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