Campbell COM110A, User Manual

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9. Using Loggernet for GPRS communications ......... 25
9.1 Setting up to call a logger with a fixed IP address .................................. 25
9.2 Setting up call-back in Loggernet ........................................................... 27
9.2.1 Setting up call-back in Loggernet Version 3 ................................. 27
9.2.2 Setting up call-back in Loggernet Version 4 ................................. 28
9.2.3 Keeping the connection open when calling-back .......................... 29
9.2.4 Firewall issues ............................................................................... 30
10. Preventing COM110A modem Connection
Problems
............................................................ 31
11. Fault Finding ........................................................... 31
11.1 General.................................................................................................. 31
11.2 A GSM Base Station Fails to Get a Response from the logger ............. 32
11.3 GPRS Fault finding – when using the logger TCP/IP stack .................. 33
11.3.1 First stage fault finding ............................................................. 33
11.4 GPRS Advanced fault finding ............................................................... 36
11.5 GPRS Fault finding – when using the modem TCP/IP stack ................ 37
Appendices
A. Using the COM110A with the PIN Security
Feature Enabled ................................................ A-1
A.1 Introduction .......................................................................................... A-1
A.2 CRBasic Program Example .................................................................. A-1
A.3 CR10X Program Example.................................................................... A-3
B. Controlling the Power Supply to the COM110A
Modem
............................................................... B-1
B.1 Controlling the Power Consumption of the COM110A modem ........... B-1
B1.1 CRBasic Program Example of Power Control ............................. B-2
B1.2 CR10X Program Example ............................................................ B-4
C. Useful Configuration Commands for the
COM110A
.......................................................... C-1
C.1 Signal Quality Checks .......................................................................... C-1
C.2 Network Registration Checks ............................................................... C-2
C.3 PIN Configuration ................................................................................ C-4
C.4 Changing the operating frequency between EU/Rest of world and
US wavebands.................................................................................. C-4
D. Using the COM110A in Transparent Mode for
GSM Dial-up use
.............................................. D-1
D.1 Introduction .......................................................................................... D-1
D.2 Disabling the RLP Protocol ................................................................. D-1