User Manual

GSM/GPRS Module Series
GC10 Hardware Design
GC10_Hardware_Design Confidential / Released 53 / 76
Figure 37: RI Behaviour as a Caller
Figure 38: RI Behaviour of URC or SMS Received
3.12. Network Status Indication
The NETLIGHT signal can be used to drive a network status indicator LED. The working state of this pin is
listed in the following table:
Table 15: Working State of the NETLIGHT
State Module Function
Off The module is not running.
64ms On/ 800ms Off The module is not synchronized with network.
64ms On/ 2000ms Off The module is synchronized with network.
64ms On/ 600ms Off The GPRS data transmission after dialing the PPP connection.