Comtech EF Data DT-4572 Installation And Operation Manual page 11

DT4572 X-Band Down Converter
Preface
A.4.5 Redundancy Systems - Converter Removal.................................................................... 44
APPENDIX B. REMOTE CONTROL.......................................................................... 47
B.1 General .................................................................................................................................. 47
B.2 Protocol ................................................................................................................................. 48
B.2.1 Transmission Mode ......................................................................................................... 48
B.2.2 Baud Rate ........................................................................................................................ 48
B.2.3 Format ............................................................................................................................. 48
B.2.4 Character Set ................................................................................................................... 48
B.2.5 Response Timeout ........................................................................................................... 48
B.2.6 Bus Inactivity Requirement............................................................................................. 48
B.3 Access Methods..................................................................................................................... 49
B.3.1 Direct Access................................................................................................................... 49
B.3.2 Indirect Access ................................................................................................................ 49
B.4 Addresses............................................................................................................................... 50
B.4.1 Physical Address ............................................................................................................. 50
B.4.2 Virtual Address ............................................................................................................... 50
B.5 Message Structure ................................................................................................................ 51
B.5.1 Start Character................................................................................................................. 51
B.5.2 Device Address ............................................................................................................... 51
B.5.3 Command ........................................................................................................................ 51
B.5.4 Confirmation Response ................................................................................................... 51
B.5.5 Error Response ................................................................................................................ 52
B.5.6 End Of Message .............................................................................................................. 52
B.6 Command/Response Pairs................................................................................................... 53
B.6.1 Utility Commands ........................................................................................................... 53
B.6.2 Configuration Commands ............................................................................................... 56
B.6.3 Modes .............................................................................................................................. 59
B.6.4 Status Commands............................................................................................................ 61
B.6.5 Stored Alarm ................................................................................................................... 65
B.7 Error Processing................................................................................................................... 67
B.7.1 General Errors ................................................................................................................. 67
B.7.2 Configuration Errors ....................................................................................................... 67
B.7.3 Mode Errors..................................................................................................................... 67
B.7.4 Time-Outs........................................................................................................................ 67
B.8 Converter Remote Command Summary ........................................................................... 68
APPENDIX C. THEORY OF OPERATION................................................................. 71
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