Xircom EAG2919 사용자 설명서
Eagle II GSM Radio Module Technical Manual Preliminary Draft: 08/31/00
46
Part Number: 07100017 version 00.04
© 2000 Xircom, Inc. All rights reserved.
All trademarks and copyrights are the property of Xircom, Inc.
All trademarks and copyrights are the property of Xircom, Inc.
PIN ASSIGNMENTS OF THE I/O
CONNECTOR
CONNECTOR
Signals of the I/O Connector, Sorted by Pin Number
Pin
Signal
Name
Direction
Functionality
Voltage
Level
1
2
3
4
5
6
VIN
From CPE
Electrical power input to Eagle II module:
4.2 VDC to 5.2 VDC
Refer to the table for Operating Power.
7
TX on
To CPE
Transmit ON. Digital output to indicate transmitter power status. A
logic 1 indicates transmit power is on. A logic 0 indicates transmit
power is off. Leave signal disconnected if function is not used.
2.2 V
8
RX0
To CPE
Receive data 0. DCE Output signal. Main serial interface transmit
data signal. During idle or reset, signal will be a logic 1. Connects to
a DTE, RX, receive data pin.
3 V
9
RX on
To CPE
Receive ON. Digital output to indicate receiver power status. A logic
1 indicates receiver power is off. A logic 0 indicates receive power is
off. Leave signal disconnected if function is not used.
2.2 V
10
DSR0
To CPE
Data Set Ready 0. DCE Output signal. Active low. Main serial
interface data set ready signal. Connects to a DTE, DSR, Data Set
Ready pin.
3 V
11
Reserved
Do not use. Leave open
12
DCD0
To CPE
Data Carrier Detect 0. DCE Output signal. Active low. Main serial
interface data carrier detect signal. Connects to a DTE, CD, Carrier
Detect pin.
3 V
13
GPIO0
To/From CPE
General purpose I/O bit. Used as general purpose input or output
lines for monitoring or control of external devices. Requires
customized stack software to implement. Leave signals disconnected
if function is not used.
3 V
14
RI0
To CPE
Ring Indicator 0. DCE Output signal. Active low. Main serial interface
ring indicator signal. Connects to a DTE, RI, Ring Indicator pin.
3 V
15
GPIO1
To/From CPE
General purpose I/O bit. Used as general purpose input or output
lines for monitoring or control of external devices. Requires
customized stack software to implement. Leave signals disconnected
if function is not used.
3 V