Operating indicatorsVisual: 1 LED (red/green/orange) Non-visual: Buzzer
CommunicationRS232: DB9 PTF connector with external power supply Keyboard Wedge:MiniDIN6 F/M connector USB: Ver. 1.1, HID/VCP, USB-A connector
PowerVoltage requirement: 5V +- 10% (Keyboard Wedge and USB), 6V (min.4.5, max. 6.5 V) (RS232) Current consumption: Max. 150mA
DurabilityTemperature in operation: -5 to 50C / 23 to 122F Temperature instorage: -20 to 60C / -4 to 140F Humidity in operation: 20 - 85%(non-condensing) Humidity in storage: 10 - 90% (non-condensing)Ambient light immunity: Fluorescent 3,000 lx max, Direct sun 50,000 lxmax, Incandescent 3,000 lx max Drop test: 1.5 m / 5 ft drop onto concretesurface Vibration test: 10 - 100 Hz with 2G for 1 hour Protection rate:IP 42