Matrix Orbital PK202-24-USB - Manual (Page 8)

To experiment, reverse the connector to see if it generates a more logical set of characters. Ultimately the
program in the controller will have to ’map’ these characters to the ones marked on the keypad, which will
likely be different.
2 Connections
2.1 Connector Pinout
Refer to the Figure below for this chapter.
Figure 2: Electrical Connections
Table 1: Connectors & Functions
Connector Function
14 Pin dual header General Purpose Outputs and +5V Output
Rx / Tx Receive and Transmit LED outputs
10 Pin header Keypad
USB Communication / Power
Alt. USB Alternate USB / Power Header
4 Pin White Header Optional High Power GPO Power Input
Matrix Orbital PK202-24-USB 4