Operating Status Led - SimCom SIM345 EVB Manual

SIM345 EVB User Guide
Auxiliary serial port (UART2):
Pin Signal
2 RXD2
3 TXD2
5 GND

3.6 Operating Status LED

Pin Signal
1 Flash LED
2 Power light
Working state of Flash LED as list:
State
Off
Permanent on
60ms On/ 3000ms +50%Off
60ms On/ 852ms +50% Off
SIM345-EVB_UGD_V1.02
I/O Description
O Receive data
I Transmit data
GND
Description
Network status indication LED
VBATT power supply status
Figure 10: Flash LED
Module function
Module is not running
Module does not find the network
Module find the network
GPRS communication
12
indication
15.02.2008