Quectel 5G Module Series - USB-to-UART Interface; Audio Interfaces

5G Module Series
5G-REDCAP_EVB_User_Guide 21 /
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3.4. USB-to-UART Interface
The EVB provides a USB-to-UART interface. This interface is used as debug UART for linux console and
log output. It is also used as main UART for data transmission and AT command communication.
Table 6: Description of USB-to-UART Interface
Figure 11: USB-to-UART Interface
3.4.1. Audio Interfaces
The EVB provides one digital audio codec interface (PCM) and three analog audio interfaces.
Table 7: Description of Audio Interface
USB-to-UART
J1101
RefDes.
Description
J1101
USB-to-UART interface
RefDes.
Description
J0502
Codec board TE-A connector
J0501
Designed for handset
J0503
Audio jack for earphone
J1706
Designed for loudspeakers