
10 Installation/Operation Manual
2.3.1 Serial Communications
The CB-2 supports RS-232 communications and their connections are shown in Figure 2-6, below.
TX
RX
GND
TX
RX
GND
TX
RX
GND
Pin 1
1
2
3
4
5
6
7
8
9
11
12
10
Figure 2-6. Terminal Block RS-232 Connections
Serial ports are configured using the SERIAL menu which is shown in Table 2-4.
Table 2-4. Serial Communications Connections
Top Connector - Serial Communications
Description Port # Port Connector Pin Number Signal
PC Port 1 J11
1 GND
2 RXD
3 TXD
Ticket and
Report
Printer
Port 4 J10
4 GND
5 RXD
6 TXD
Preprinted
Ticket Printer
Port 3 J9
7 GND
8 RXD
9 TXD
iRev or
Keyboard
Port 2 _
10 Not Used
11 Not Used
12 Not Used
For CB-2 units with the weighed water option, serial connections remain the same using the same 9 pins
as is shown in Figure 2-5.
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