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--- products:sbc:common:add-ons:5g-module-usage [2023/02/20 08:36]
nick
+++ products:sbc:common:add-ons:5g-module-usage [2026/06/20 02:17] (current)
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@@ Line 4: / Line 4: @@
 This page will introduce the usage of [[https://www.khadas.com/product-page/5g-nr-module | RM500Q 5G NR module]].You will learn how to use the 5G module on Khadas SBC.
+<WRAP tip >
+AT command node is ''/dev/ttyUSB2''.
+</WRAP>
 ===== Preparation =====
   * Disconnect the Khadas SBC power port cable.
-  * Insert the 5G module board into the M.2 slot on [[https://www.khadas.com/product-page/new-m2x-extension | M2X WWAN Extension]] board.
+  * Insert the 5G module board into the M.2 slot on [[https://www.khadas.com/product-page/m2x-wwan-extension | M2X WWAN Extension]] board.
   * Insert the M2X WWAN Extension board into the SBC.
   * Insert a valid ''Nano SIM'' card on the 5G module.
+=== Setup 5G Module ===
+Setting to ''pcie'' mode.
+```shell
+echo -e "AT+qcfg=\"data_interface\",1,0\r\n" > /dev/ttyUSB2
+```
+G module needs power down and restart to switch mode. Unplug your SBC and plug again. 5G module now works in ''pcie'' mode.
+<WRAP info >
+How to restore your 5G module to usb mode?
+```
+echo -e "AT+qcfg=\"data_interface\",0,0\r\n" > /dev/ttyUSB2
+```
+Unplug your SBC and plug again to switch back to usb mode.
+</WRAP>
 ===== Linux =====
@@ Line 18: / Line 43: @@
 You need to [[products:sbc:common:configurations:upgrade-system|]] to latest version.
+=== Enable PCIe Port (VIM3 Only) ===
+<WRAP important >
+If you use the VIM3 board, you need to enable the PCIe function.
+</WRAP>
+Khadas VIM3 PCIe/USB3.0 share one data port,and the default mode is USB 3.0.So when we need to use 5G module, we need to switch it to PCIe port.
+```shell
+$ echo 1 > /sys/class/mcu/usb_pcie_switch_mode
+$ sudo reboot
+```
+''Reboot'' the system to bring changes into effect.
 ==== Disable ModemManager ====

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