UMTS/HSPA/LTE Module Series
UMTS<E EVB User Guide
UMTS<E_EVB_User_Guide Confidential / Released 32 / 44
4.9. Switches and Buttons
The UMTS<E EVB includes two switches (S201 and S901) and three buttons (S301, S302 and S303),
as shown in the following figures.
S901
Figure 27: S901 Switch
S201
S302
S303
S301
Figure 28: S201 Switch and S301/S302/S303
Buttons
Table 10: Description of Switches and Buttons
Reference No.
Description
S201
Control power supply VBAT ON/OFF
S901
Switched to the left: connect FC20's BT interface (UART, PCM) to EC2x
modules, for testing the BT function of FC20.
Switched to the right: connect the main UART and codec board interfaces
Quectel
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