LTE-A Module Series
EG18 Hardware Design
EG18_Hardware_Design 59 / 104
Table 22: Working State of the Network Status/Activity Indicator
A reference circuit is shown by the following figure
.
4.7K
47K
VBAT
2.2K
Module
Network
Indicator
Figure 30: Reference Circuit of the Network Indicator
NET_STATUS
170
DO
Indicate the module
’s network
activity status.
1.8V power domain
If unused, keep it open.
Pin Name
Status
Description
NET_MODE
Always High
Registered on network
Always Low
Others
NET_STATUS
Flicker slowly (200ms High/1800ms Low)
Network searching
Flicker slowly (1800ms High/200ms Low)
Idle
Flicker quickly (125ms High/125ms Low)
Data transfer ongoing
Always High
Voice calling