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3.3 Serial Communication
The RS232C Interface signals for the APEX 2 Series printers are terminated on a 6 PIN RJ
type data connector located on the side of the printer.
Six connections are provided from the Serial Interface to the host computer.
Table 3
,
below, lists the Serial Interface signals and pin outs on the RJ connector. The connector
pin locations are shown in Figure 11.
A minimum of two pin connections are required for operation, RXD – pin 3 and Common –
pin 1.
FIGURE 11: RJ DATA CONNECTOR
Table 3 – APEX 2 Serial RS232C Interface signals
Dip Switch #1 and #2 must be in the <OFF> position to activate the serial communication
interface
Note: The communication parameters: Baud rate, Data Bit and Parity settings must match those of
the host device. Dip switch #1 must be in the OFF position.
