User Manual
Table Of Contents
- Confidential Material
- Copyright
- Revision History
- Trademarks Notice
- Contents
- Preface
- Introduction
- Hardware Interface Description
- Electrical and Environmental Specifications Absolute Maximum Ratings
- Mechanical Design
- Antenna Interface
G610 GPRS Module Hardware User Manual Page 33 of 47
circuit.
Parameter Conditions Min Typ Max Unit
T width 100 200 400 mS
3.11.3 LPG
As an alternative to generating the synchronization signal, the control pin can be used to drive a
status LED on application platform. The timing of LPG, it can be indicated the G610 status straight.
Referenced circuits about LED driver see below.
States of the LED vs PIN: LED Off = HIGH. LED On = LOW.
LED state Operating status of G610
Permanently off G610 is in one of the following modes:
• Power off mode
• SLEEP mode
600 ms on / 600 ms off G610 is in one of the following status:
• NO SIM card
• SIM PIN
• Register network (T<15S)
• Register network failure (always)
3 s on / 75 ms off G610 is in one of the following status:
• IDLE mode
75 ms on / 75 ms off G610 is in one of the following status:
• One or more GPRS contexts activated.
Permanently on G610 is in one of the following status:
• Voice call
• CSD or FAX call