NB-IoT Module Series
BC66 Hardware Design
BC66_Hardware_Design 35 / 59
The default RI pin state can be configured with AT+QCFG="ripin"[,(0,1)] command.
3.13. NETLIGHT Interface
NETLIGHT can be used to indicate the network status of the module. The following table illustrates the
module status indicated by NETLIGHT.
Table 16: Module Status Indicated by NETLIGHT
A reference circuit is shown as below.
Module
NETLIGHT
4.7K
47K
2.2K
VBAT
Figure 23: Reference Design of NETLIGHT
By default, NETLIGHT function is disabled (AT+QLEDMODE=0), and it can be enabled with
AT+QLEDMODE=1.
The module is not working or the modem is in
DRX/eDRX/PSM mode.
64ms High (LED ON)/800ms Low (LED OFF)
64ms High (LED ON)/2000ms Low (LED OFF)