Product Info

LTE Module Series
BG96 Hardware Design
BG96_Hardware_Design 53 / 81
No matter on which port URC is presented, URC will trigger the behavior of RI
pin.
URC can be outputted from UART port, USB AT port and USB modem port, through configuration
viaAT+QURCCFGcommand. The default port is USB AT port.
The default behaviors of RI areshown as below.
Table 19:Default Behaviors of RI
The default RI behaviors can be configured flexibly by AT+QCFG=“urc/ri/ring”command.For more
details, please refer to document [2].
3.15. USB_BOOT Interface
BG96 provides a USB_BOOT pin. During development or factory production,
USB_BOOT can force the module to boot from USB port for firmware upgrade.
State Response
Idle RI keeps in high level.
URC RI outputs 120ms low pulse when new URC returns.
NOTE