Usb-To-Uart Interface; Audio Interfaces - Quectel 5G Module Series User Manual

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
RefDes. Description
J1101 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
RefDes.
J0502
J0501
J0503
J1706
5G-REDCAP_EVB_User_Guide
46
USB-to-UART
J1101
Figure 11: USB-to-UART Interface
Description
Codec board TE-A connector
Designed for handset
Audio jack for earphone
Designed for loudspeakers
5G Module Series
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