
Table 3: RS-232 Pinout
Pin Number Direction Description LCD Host
2 Data from LCD Data out(LCD) Tx Rx
3 Data to LCD Data in (LCD) Rx Tx
5 - Ground gnd gnd
2.1.7 Alternate Serial Connection
An optional alternate connection header is provided to allow one cable for data and power. Two jumpers
will have to be soldered and two removed.
Figure 11: RS-232 SIPs
Connector pinout is as follows;
Figure 12: Power Connector
Table 4: Connector Pinout
Pin 4 Ground
Pin 3 Rx
Pin 2 Tx
Pin 1 Vdc
Matrix Orbital PK162-12 9
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