User's Manual

Opticon

PX-20

Specifications Manual

10. Cable and Connector

10.1. USB Cable

A dedicated USB cable is provided. This cable has a USB-A connector on one end

and a micro-USB B connector on the other end.

10.2. Connector

Contact

Number

Signal Name

1 VCC

2 -DATA

3 +DATA

4 Ext trig

5 GND

Figure 2: USB Micro-B connector

10.3. External trigger

It is possible to trigger the PX-20’s barcode reader externally via a pin in the USB

connector. The trigger is active low, edge triggered, enabled by grounding pin 4 in the

USB connector.