Specifications

2.10 IO Interface

The following interfaces and functions are provided via the IO interface connector.

Figure 15: GPIO interface connector 24 pin

Pin Signal name I/O Description

1 GPIO1 I/O GPIO input or output conferrable

2 GPIO2 I/O GPIO input or output conferrable

3 GPIO3 I/O GPIO input or output conferrable

4 GPIO4 I/O GPIO input or output conferrable

5 GPIO5 I/O GPIO input or output conferrable

6 GPIO6 I/O GPIO input or output conferrable

7 GPIO7 I/O GPIO input or output conferrable

8 GPIO8 I/O GPIO input or output conferrable

9 GPIO9 I/O GPIO input or output conferrable

10 GPIO10 I/O GPIO input or output conferrable

11 GPIO11 I/O GPIO input or output conferrable

12 GND

13 GPIO12 I/O GPIO input or output conferrable

14 GPIO13 I/O GPIO input or output conferrable

15 GPIO14 I/O GPIO input or output conferrable

16 GPIO15 I/O GPIO input or output conferrable

17 GPIO16 I/O GPIO input or output conferrable

18 ADC1 I analog input 1

19 ADC2 I analog input 2

20 ADC3 I analog input 3

21 TXEN_N O Modem G24 on or off status

22 JAVA_RESET I Reset Java MIDLET

23 IGNITION I Start Modem

24 VIN I Input Power Supply

Table 8: Assignment of the IO interface connector

2.11 Status LED

Green LED displays the network status of the Java Box Terminal.

Green LED status Device Status

permanently on Unit is active

permanently off device off

Table 9: Green LED Status

Red LED displays the operating status of the GPRS in the Java Box Terminal, option internal resistor

for GPIO8 indication.

Java Box Hardware Interface Description

Released

GPIO 24 PIN

Connector