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NB-IoT Module Series
BC65-TE-B User Guide
BC65-TE-B_User_Guide 15 / 27
3.1.2. Operation Procedure
1. Install a USB-UART driver. You can download it from the following address:
https://www.maxlinear.com/product/interface/uarts/usb-uarts/xr21v1414.
2. Insert a Micro USIM card into J303, please choose an appropriate USIM card according to different
hardware versions of the BC65 module.
3. Connect a rod antenna with the SMA connector on J304 (RF antenna connector).
4. Switch J302 (UART Switch)
to “MAIN UART TO USB” state.
5. Connect J301 to a PC via a Micro USB cable. When BC65-TE-B is connected to the computer, UART
port information is shown on the
“Device Manager” of the PC. Ch A is the Main Port and is used for
AT command communication. Ch B is the Debug Port and is used for viewing logs and upgrading
firmware. For details of port configuration, see
document [1]
.
Figure 5: UART Ports Displayed on PC
In this procedure, you can use S101 to start the BC65 module and S102 to reset the module.
NOTE