Matrix Orbital PK162-12 - Manual (Page 9)

To lock down the memory chip, solder the jumper as shown in the LOCKED picture above. This will
lock down the memory chip, not allowing anything to be changed inside it until the jumpers are restored to
their original position.
2 Connections
2.1 Connector Pinout
Refer to the Figure below for this chapter.
Figure 4: Electrical Connections
The display has four connectors;
Table 1: Connectors & Functions
Connector Function
14 Pin Dual Header General purpose outputs or Keypad (2x7)
4 Pin Power (Vdc) and I 2 C communications
DB-9F RS-232 / Power
Table 2: Mating Connectors
14 Pin Dual Header Many, ex. MOLEX 70058
4 Pin MOLEX 7880
DB-9F
Matrix Orbital PK162-12 5