User's Manual

Eagle II GSM Radio Module Technical Manual Preliminary Draft: 08/31/00 48
Part Number: 07100017 version 00.04
© 2000 Xircom, Inc. All rights reserved.
All trademarks and copyrights are the property of Xircom, Inc.
Pin Signal
Name
Direction Functionality Voltage
Level
32 ID0 To CPE Identification 0. Bit 0 of four (0 to 3) output bits to identify hardware
revision. Do not use: leave open.
3 V
33 GND From CPE Electrical power return for digital and analog grounds.
34 ID1 To CPE Identification 1. Bit 1 of four (0 to 3) output bits to identify hardware
revision. Do not use: leave open.
3 V
35 Reserved Do not use. Leave open.
36 ID2 To CPE Identification 2. Bit 2 of four (0 to 3) output bits to identify hardware
revision. Do not use: leave open.
3 V
37 Reserved Do not use. Leave open.
38 ID3 To CPE Identification 3. Bit 3 of four (0 to 3) output bits to identify hardware
revision. Do not use: leave open.
3 V
39 Reserved Do not use. Leave open.
40 LED0 To CPE Status LED signal 0. Outputs are active low. LED0 corresponds to
the “red” element of a bi-color LED.
LED0 and LED1 indicate radio link status on a remote LED. Leave
signals disconnected if function is not used.
3 V
41 Reserved Do not use. Leave open.
42 LED1 To CPE Status LED signal 1. Outputs are active low. LED1 corresponds to
the “green” element of a bi-color LED.
LED0 and LED1 indicate radio link status on a remote LED. Leave
signals disconnected if function is not used.
3 V
43 Reserved Do not use. Leave open.
44
45
GND From CPE Electrical power return for digital and analog grounds.
46 SIM-CLK To CPE SIM clock output signal to a remote SIM device. Clock frequency is
3.25 MHz. Leave signal disconnected if function is not used.
3 V
47 MIC1P From CPE Microphone 1 Positive. Positive input pin from an electret-type
microphone. Nominal microphone differential voltage should be
2.0 V. Impedance not less than 900 ohms. Leave signal
disconnected if function is not used.
48
49
GND From CPE Electrical power return for digital and analog grounds.
50 SIM-IO To/From CPE SIM input output. Serial I/O line to a remote SIM device. Leave signal
disconnected if function is not used.
5 V or
3 V
51 MIC1N From CPE Microphone 1 Negative. Negative input pin from an electret-type
microphone. Nominal microphone differential voltage should be
2.0 V. Impedance not less than 900 ohms. Leave signal
disconnected if function is not used.
52
53
GND From CPE Electrical power return for digital and analog grounds.