Enfora GSM0000PB001MAN, GPRS Gpio Pin Configuration, SA Gpio Characteristics LED Functions

GSM/GPRS Spider SA User Manual

The I/O pin configuration is provided in Figure 11.

Figure 11: GPIO Pin Configuration

Five general-purpose signals (GPIO1, GPIO3, GPIO5, GPIO6, and GPIO7) are provided. Each of these signals may be selected as inputs or outputs. The GPIO characteristics are provided in Table 3.

One audio input and one audio output line is provided along with a ground line.

I/O Lines	Parameter/Conditions	MIN	TYP	MAX	UNIT
VIL	Input Voltage – Low	-0.5		0.9	Vdc
VIH	Input Voltage – High	2.0		3.4	Vdc
VOL	Output Voltage – Low			0.64	Vdc
VOH	Output Voltage – High	2.4		3.0	Vdc
IIL / IIH	Input Leakage Current	-1		1	∝A
IOL / IOH	Rated Output Current			2	mA

Table 3: SA GPIO Characteristics

3.7LED Functions

The GSM/GPRS Spider SA modem has two LED’s on the front panel.

PWR: Indicates power to the modem. Solid when the modem is turned on.

REG: Indicates GSM network registration status. Flashing when attempting to register on a GSM network. Solid when the modem is registered with a GSM network.

GSM0000PB001MAN 11 Version 1.07 - 02/14/05