Quectel SC20 User Manual

LTE Module Series
Smart EVB User Guide
Smart_EVB_User_Guide Confidential / Released 23 / 29
3.8. Test Points
J904 is used for test. The following figure and table show the details.
Figure 18: Pins Assignment of J904
Table 10: Details of Test Points
D808
Indicate the module operation status
Light on: module is powered on
Light off: module is powered down
D805, D807
Indicate the module network registration mode
The indication varies in different modules. For details, please refer to relative module
hardware designs.
J904
Pin Name
Description
1
GPIO_68
GPIO68 of the module
2
VDD_3V3
3.3V power supply of EVB
3
GPIO_69
GPIO69 of the module
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Quectel SC20 Specifications

General

Brand	Quectel
Model	SC20
Category	Control Unit
Language	English