User's Manual

5. EVB and accessory equipment
At normal circumstance, the EVB and its accessory are equipped as the below figure:
Figure 9: EVB and accessory equipment
6. Operation
Firstly，please equip the module and accessories as the figure 9.
6.1 Power on and running
(1) Connect the SIM508Z module to the 80pins connector on the EVB, insert the 5V DC source
adapter, switch S1 to the RUN state and S2 to the ON state, and the LED of B1 will light;
(2) Press the GSM_ON/OFF button Z1 for about 2 seconds, then the module is power on
successful;
You will see the LED of B2 on the EVB glittering at a certain frequency corresponding to various
states, and you can judge the EVB and SIM508Z are running correctly. No function and test can
be executed when the necessary accessories are not connected.
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