Elpro Technologies 455U-D Manual do Utilizador descarregar pdf (Página 6)

Contents

Man_455U-D Rev 3.04 Page 7

3.13 AT CONFIGURATION EXAMPLES............................................................................ 55

3.13.1 Data Logger Network with Central Computer.................................................... 55

3.13.2 Unacknowledged mode with broadcast messages and repeaters. ....................... 56

3.14 SWITCH CONFIGURATION ...................................................................................... 57

CHAPTER FOUR TROUBLESHOOTING.................................................................... 58

4.1 POWER-UP AND NORMAL OPERATION ................................................................... 58

4.2 LED

INDICATION DIAGNOSTICS CHART................................................................. 59

4.3 O

PERATING PROBLEMS.......................................................................................... 60

4.4 TEST FUNCTIONS ................................................................................................... 61

4.4.1 Bit Error Ratio Test (BER)...................................................................................... 61

4.4.2 Other Radio Testing - AT&Tx ................................................................................ 62

4.4.3 On-line diagnostics.................................................................................................. 63

4.5 RADIO PATH TESTING............................................................................................ 65

4.6 CHANGING THE RADIO PARAMETERS .................................................................... 66

4.7 DIAGNOSTIC MESSAGES ........................................................................................ 67

CHAPTER FIVE SPECIFICATIONS............................................................................. 68

CHAPTER SIX WARRANTY & SERVICE................................................................... 70

APPENDIX A HAYES COMMANDS............................................................................. 71

APPENDIX B RESPONSE CODES................................................................................ 79

APPENDIX C S-REGISTERS ......................................................................................... 81

1 2 3 4 5 6 7 8 9 10 11 ... 81 82

Sem comentários

Elpro Technologies 455U-D Manual do Utilizador Página 6