User's Manual

Contents
Crescendo UHF Half-Duplex User Manual Page 3 of 78
Contents
1. Introduction ............................................................................................................................................................................. 6
2. Installation ................................................................................................................................................................................ 7
2.1 General considerations ......................................................................................................................................................... 7
2.2 External antennas ................................................................................................................................................................. 7
2.3 Safety and Compliance.......................................................................................................................................................... 8
2.3.1 Human Exposure to Emissions .................................................................................................................................... 8
2.3.2 Modifications............................................................................................................................................................... 8
3. Configuration ........................................................................................................................................................................... 9
3.1 Overview ............................................................................................................................................................................... 9
3.2 Cruise Control .................................................................................................................................................................... 10
3.2.1 Installation ................................................................................................................................................................. 10
3.2.2 Connecting to a Local Device ................................................................................................................................... 10
3.2.3 Saving and Loading Configurations .......................................................................................................................... 11
3.3 Terminal Menu Interface .................................................................................................................................................... 11
3.4 Hayes AT Command Interface ............................................................................................................................................ 12
3.5 Front Panel Interface .......................................................................................................................................................... 13
3.5.1 Radio Status LEDs (Mode 1)..................................................................................................................................... 13
3.5.2 RSSI, Tx Power, Temperature Status (Mode 2, 3, 4) ................................................................................................ 14
3.5.3 Main Serial Port Status (Mode 5) .............................................................................................................................. 14
4. Serial Port Operation ............................................................................................................................................................ 16
4.1 Overview ............................................................................................................................................................................. 16
4.2 Configuration ...................................................................................................................................................................... 17
4.3 Advanced Features .............................................................................................................................................................. 17
4.3.1 Control Lines ............................................................................................................................................................. 17
4.3.2 Packetiser Timers ...................................................................................................................................................... 18
4.4 Statistics .............................................................................................................................................................................. 19
5. Radio Operation..................................................................................................................................................................... 21
5.1 Data-Driven Mode .............................................................................................................................................................. 21
5.2 Packet-Driven Mode ........................................................................................................................................................... 21
5.2.1 Data Path ................................................................................................................................................................... 22
5.3 Radio Parameters ............................................................................................................................................................... 23
5.3.1 Addressing ................................................................................................................................................................. 23
5.3.2 Tx Power ................................................................................................................................................................... 24
5.3.3 RSSI Trip ................................................................................................................................................................... 24
5.3.4 Channel Selection ...................................................................................................................................................... 24
5.3.5 Retries ........................................................................................................................................................................ 25
5.4 Network Architecture .......................................................................................................................................................... 26
5.4.1 Network Topology .................................................................................................................................................... 26
5.4.2 Network Address ....................................................................................................................................................... 27
5.4.3 Store-and-forward Repeater ...................................................................................................................................... 28
5.5 Routing ................................................................................................................................................................................ 29
5.5.1 Network Structure ..................................................................................................................................................... 29
5.5.2 Routing Table ............................................................................................................................................................ 30
5.6 Diagnostics ......................................................................................................................................................................... 31