UMTS/HSPA Module Series
UC20 EVB User Guide
UC20_EVB_User_Guide Confidential / Released 23 / 30
Table 9: Description of Switch and Buttons
3.7. Status LEDs
UC20 EVB comprises several status LEDs (D103, D101, D607, D104, D102). Figure 19 shows the
position of LEDs.
D
1
0
3
D
1
0
1
D
6
0
7
D
1
0
4
D
1
0
2
Figure 19: Status LEDs
Table 10: Description of Status LEDs
Reference
Description
S201
Control power supply VBAT ON/OFF.
S202
It’s just used to turn on/off the UC20-TE-A module.
Press the button for at least 100ms to turn on the module.
Press the button for at least 0.6s and then release to turn off the module.
S203
It’s used to reset the UC20-TE-A module and UC20 Mini PCIe module.
Press the button for more than 150ms and then release to reset the module.
Reference Used for UC20-TE-A
Used for UC20 Mini PCIe
D103
Power supply for module and EVB is ready.
Bright: VBAT ON
Extinct: VBAT OFF
Power supply for EVB is ready.
Bright: VBAT ON
Extinct: VBAT OFF
Quectel
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