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Comtech EF Data MM200 User Manual

Page 108

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Appendix A

MM200 High-Speed Microwave Modem

A-8

TM086 – Rev. 4.1

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 = Mod daughter board FPGA status
Bit 1 = RF PLL lock detect status
Bit 2 - 7 = Spare

0 = Mask, 1 = Allow
Bit 0 = Loop lock status
Bit 1 = FEC lock status
Bit 2 = FIFO full status
Bit 3 = FIFO empty status
Bit 4 = FIFO active status
Bit 5 - 7 = Spare


Opcode: <0x2072>

Query a selected modulator’s channel configuration and status

Command Data Field 1 Byte

<1>

Selected channel
number

0 = channel1
1 = channel2
2 = channel3
3 = channel4

Query Response

<1>




<1>
























Selected channel
number



Number of nonvol
bytes*







* M&C developers
MUST use this
number of nonvolatile
bytes to index into the
selected channel
status area. The
nonvolatile data might
grow with future
firmware revisions.
Refer to discussion
on forward/backward
compatibility.


0 = channel1
1 = channel2
2 = channel3
3 = channel4

Number of nonvol bytes for selected channel