Comtech EF Data MM200 - Manual (Page 108)

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