User's Manual
Manuals
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Shanghai Simcom Manuals
Electronics
Quad-band GSM/GPRS module
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Table Of Contents
Contents
1. SIM548Z EVB Schematic
2. SIM548Z EVB overview
3. EVB Accessory
4. EVB Interface
4.1 Power interface
4.2 SIM card interface
4.3 RS232 interface
4.4 Antenna interface
4.5 Audio interface
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5. EVB and accessory equipment
6. Operation
6.1 Power on and running
6.2 Connecting the Net and calling
6.3 Download and upgrade
6.4 Turn off
6.5 Charge
6.6 GPRS start-up
7 AT command
8 FCC statements
4. EVB Interface
4.1 Power
interface
Figure 4: P
ower interfa
ce
Pin
Signal
I/O
Description
1 Adapte
r
input
I
5V/2.5A DC s
ource input
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