Technical information

August 31, 2009 G24/H24 - Developer’s Kit 5
Chapter 2: Developer Board and Interfaces Description
This chapter contains the following sections:
• Overview—provides an overview of the Developer Board
• Initial Setup—describes how to set up and prepare the Developer Board for first-time use
• Configuration—describes how to modify the default settings to control the operation of the
Developer Board
• Components and Specifications—lists each connector, switch, jumper, option switch.
and LED. Also provides other details and specifications for the Developer Board
Overview
The G24/H24 Developer Board is designed to support the hardware and software development
and validation of the G24/H24 GSM/GPRS/EGPRS data module. The Developer Board provides
a peripheral platform to operate the G24/H24 as a standalone product, and to easily access the
G24/H24 70-pin interface connector signals.
Developer Board Features and Structure
The Developer Board provides these features to facilitate software and hardware development:
• Easy access to G24/H24 70-pin interface connector signals, through a large header connector
and an external host connector
• Wall adapter and DC power supplies for board operation
• LED indicators for critical signals
• USB and RS232 serial interfaces
• Data logger interface for G24/H24 debugging
• Digital audio interface
• Analog audio interface for speaker, alert speaker, microphone and headset
• SIM card interface
• Switches and jumpers for controlling board operation
Figure 2-1 shows the Developer Board structure: