Comtech EF Data MM200 User Manual
Page 117

MM200 High-Speed Microwave Modem
Appendix A
TM086 – Rev. 4.1
A-17
<4>
<4>
<4>
<4>
<4>
<4>
<2>
<4>
<4>
Channel Baud
Rate
Channel Offset
Frequency
Channel AGC
Integrator
Channel SNR
Channel CBA
Channel UBA
Input Level
Pre FEC BER
Post FEC BER
Bit 3 = FIFO empty status
Bit 4 = Sync lock status
Bit 5 = FIFO reload status
Bit 6 = FIFO pos status
Bit 7 = Track fault status
7000000 - 200000000
Binary value in Hz
AGC integrator
Signal-to-noise ratio, 00.00 - 99.00 dB, implied decimal point
Correctable blocks accumulator
Uncorrectable blocks accumulator
Channel input level in dBm. Signed implied decimal point
(-265 means –26.5 dBm)
Floating point format following IEEE Standard 754*
Floating point format following IEEE Standard 754*
* Refer to Appendix C for IEEE Standard 754 – Floating Point
Numbers
Opcode: <0x20B1>
Query a selected demodulator’s channel configuration
Command Data Field 1 Byte
<1>
Selected channel
number
0 = channel1
1 = channel2
2 = channel3
3 = channel4
Query Response
<1>
<1>
<1>
Selected channel
Number
Channel Major
Alarm Mask
Channel Minor
Alarm Mask
0 = channel1
1 = channel2
2 = channel3
3 = channel4
0 = Mask, 1 = Allow
Bit 0 = Demod daughter board FPGA status
Bit 1 = RF PLL lock detect status
Bits 2 - 7 = Spare
0 = Mask, 1 = Allow
Bit 0 = QAM lock status
Bit 1 = FEC lock status
Bit 2 = FIFO full status
Bit 3 = FIFO empty status
Bit 4 = Sync lock status
Bit 5 = FIFO reload status
Bit 6 = FIFO pos status