The EM1206EV Evaluation Board offers a convenient way to test the EM1206 BASIC/C-programmable Ethernet module.
The board features the following components:
Power jack and a switching power regulator.
Multi-channel RS232 port with three RS232 outputs and four RS232 inputs.
Expansion connector with GND, 3.3V (Vcc), 12V (Vin), and 8 TTL I/O lines.
Eight yellow LEDs to indicate the status of I/O lines (see RS232 port and Expansion Connector topic).
Four jumpers to select between RS232 port and expansion connector (see RS232 port and Expansion Connector topic).
Buzzer (connected to the CO line of the EM1206).
Board structure is further illustrated by this block diagram: