Digi m10 Technical Overview
Table of Contents
About This Manual......................................................................................................................... 6
Target Audience .......................................................................................................................... 6
Symbols Used in This Manual ..................................................................................................... 6
Reference Documents ................................................................................................................. 7
Where to Get Help ....................................................................................................................... 7
1.
General Description ............................................................................................................... 8
1.1
1.2
Background .................................................................................................................... 8
Communication using a Digi m10 Satellite Modem ....................................................... 9
2.
Types of Communication Methods .................................................................................... 11
2.1
2.2
2.3
Data Reports ................................................................................................................ 11
Messages ..................................................................................................................... 11
Global Grams ............................................................................................................... 11
3.
Terms and definitions: ........................................................................................................ 12
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
Gateway ....................................................................................................................... 12
Gateway Earth Station (GES) ...................................................................................... 13
Subscriber Communicator (SC) ................................................................................... 13
SC Terminated ............................................................................................................. 13
SC Originated ............................................................................................................... 13
Global Gram ................................................................................................................. 13
Message Blocking ........................................................................................................ 14
Message Priority........................................................................................................... 14
Speed Dial .................................................................................................................... 14
Message Acknowledgments ........................................................................................ 15
Alternate Terminating Address (ATA) / Message Forwarding ..................................... 16
Delivery Plan ................................................................................................................ 16
GES-to-Satellite Channels ........................................................................................... 16
GES-to-GCC Channels ................................................................................................ 16
4.
Digi Extended Packets ........................................................................................................ 17
4.1
4.2
4.3
4.4
4.5
4.6
Temperature Out of Bounds Packet............................................................................. 17
Temperature Query ...................................................................................................... 18
Temperature Query Response ..................................................................................... 19
NVM Data Corruption Alert Packet .............................................................................. 20
Code Upgrade Packet .................................................................................................. 20
RTS/CTS Control Packet ............................................................................................. 22
Appendix A: Upgrade Firmware ................................................................................................. 23
Digi International, Inc. ? 2009
iv
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