Westermo RM-455U-D - Manual (Page 6)

Contents
Man_455U-D Rev 3.04 Page 7
3.13 AT C ONFIGURATION E XAMPLES ............................................................................ 55
3.13.1 Data Logger Network with Central Computer .................................................... 55
3.13.2 Unacknowledged mode with broadcast messages and repeaters. ....................... 56
3.14 S WITCH C ONFIGURATION ...................................................................................... 57
CHAPTER FOUR TROUBLESHOOTING .................................................................... 58
4.1 P OWER - UP AND N ORMAL O PERATION ................................................................... 58
4.2 LED INDICATION D IAGNOSTICS C HART ................................................................. 59
4.3 O PERATING P ROBLEMS .......................................................................................... 60
4.4 T EST F UNCTIONS ................................................................................................... 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 R ADIO P ATH T ESTING ............................................................................................ 65
4.6 C HANGING THE R ADIO P ARAMETERS .................................................................... 66
4.7 D IAGNOSTIC M ESSAGES ........................................................................................ 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