Comtech EF Data DMD20 User Manual

Page 67

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DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol

Remote Operations

MN-DMDREMOTEOP Revision 9

1–57

<2>

RFM AGC Time
Constant

1 - 99999 in ms

<1>

Carrier-in-Carrier

0 = Disabled, 1 = Enabled

<2> Carrier-in-Carrier

Minimum Search
Delay

0 – 330

<2> Carrier-in-Carrier

Maximum Search
Delay

0 – 330

<1> Carrier-in-Carrier

Frequency Offset
Range

0 – 30 (KHz)

<1> EBEM

overhead

channel rate

0 = Off, 1 = 8K, 2 = 16K, 3 = 24K, 4 = 32K, 5 = 40K, 6
= 48K, 7 = 56K, 8 = 64K

<1> EBEM

embedded

channel

0 = Off, 1 = On

<1>

EBEM ITA

0 = Disabled, 1 = Enabled

<1>

EBEM encryption

0 = Disabled, 1 = Enabled

<4>

EBEM Ethernet rate

4800 to 52000000


Opcode: <240Ch>

Query a Demodulator's Status

Query Response (88 Bytes)

<1>

Control Mode

0 = Front Panel, 1 = Terminal, 2 = Computer, Note:
DMD20 will always return 2 = Computer

<1>

Revision Number

Decimal point implied

<1>

Alarm 1

Bit 0 = Receive FPGA/Processor Fault, 1 = Fail
Bit 1 = Carrier Loss, 1 = Fail
Bit 2 = Multiframe Sync Loss, 1 = Fail
Bit 3 = Frame Sync Loss, 1 = Fail
Bit 4 = IBS BER Alarm, 1 = Fail
Bit 5 = Satellite AIS, 1 = Fail
Bit 6 = Rx Data Activity, 1 = Activity
Bit 7 = Rx AGC Level, 1 = Fail

<1>

Alarm 2

Bit 0 = Buffer Underflow, 1 = Underflow
Bit 1 = Buffer Overflow, 1 = Overflow
Bit 2 = Buffer Under 10%, 1 = Fail
Bit 3 = Buffer Over 90%, 1 = Fail
Bit 4 = RS Decoder Lock Fault, 1 = Fail
Bit 5 = RS De-Interleaver Fault, 1 = Fail
Bit 6 = RS Decoder Uncorrectable Word, 1 = Fail
Bit 7 = Demod Summary Fault, 1 = Fail

<1>

Alarm 3

Bit 0 = Rx L-Band Synthesizer Lock, 1 = Lock
Bit 1 = Insert DSP Config, 1 = Fail
Bit 2 = Buffer Clock PLL Lock Detect, 1 = Lock
Bit 3 = Viterbi Decoder Lock, 1 = Lock
Bit 4 = Sequential Decoder Lock, 1 = Lock
Bit 5 = Rx Test Pattern Lock, 1 = Lock
Bit 6 = External Reference PLL Lock, 1 = Lock
Bit 7 = Rx Carrier Level, 1 = Fail

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