NB-loT Module Series
BC660K-GL-TE-B User Guide
BC660K-GL-TE-B_User_Guide 16 / 30
2.
Insert a Micro-SIM card into J303; a NB-IoT USIM card should be selected.
3.
Connect the rod antenna with the SMA connector on J304 (RF antenna connector).
4.
Switch J302 (UART Switch) to the “MAIN UART TO USB” state.
5.
Connect the J301 (USB power supply interface) with your PC via a Micro USB cable. After turning on
BC660K-GL-TE-B, UART port information will be displayed on the “Device Manager” of the PC (as
shown in the following figure).
Figure 5: UART Ports Displayed on PC
Among the ports displayed, "USB Serial Port (COM35)" (corresponding to USB Serial Converter A) is
connected with the main serial port of BC660K-GL and can be used for AT command transmission,
data transmission and firmware upgrade; "USB Serial Port (COM37)" (corresponding to USB Serial
Converter C) is connected with the debug serial port of BC660K-GL to output debug log information.
For details of UART configurations, see
document [1]
.
S102 can be used to reset the module, and S103 can be used to wake up the module from Deep Sleep or
Light Sleep.
NOTE
