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Comtech EF Data DMD20 User Manual

Page 61

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

Remote Operations

MN-DMDREMOTEOP Revision 9

1–51

<4>

Offset Frequency

Binary value, 1 Hz steps

<2>

Test BER Mantissa

Bytes 1 - 2 = Binary value test BER

<1>

Raw BER Exponent

Byte 3 = Binary value exponent

<1> Corrected

BER

Exponent

Byte 3 = Binary value exponent

<1>

Test BER Exponent

Byte 3 = Binary value exponent

<1> Offset

Frequency

Sign

If <> 0, '-' offset

<1>

BER/EbNo Status

Bit 0 = Raw BER and corrected BER status. 1 = Valid
Bit 1 = Test BER status. 1 = Valid
Bits 2 - 3 = EbNo status, 0 = EbNo is invalid, 1 = EbNo

is valid, 2 = EbNo is smaller than indicated value, 3 =
EbNo is greater than indicated value

Bit 4 = BER Counter Overflow. 1 = Overflow Condition
Bit 5 = Test BER Counter Overflow. 1 = Overflow

Condition

Bits 6 – 7 = Reserved

<1>

Buffer Percent Full

Binary value representing % buffer full, 0 - 100 in 1%
steps

<1>

Input Level

Binary value in 1 dB steps, implied sign

<1>

Insert Status Fault

Bit 0 = Frame lock fault. 1 = Fail
Bit 1 = Multiframe lock fault. Valid in E1 PCM-30 and

PCM-30C. 1 = Fail

Bit 2 = CRC lock fault. Valid in T1ESF, and E1 CRC

enabled. 1 = Fail

Bits 3 – 7 = Reserved

<1>

Online Flag

Online Switch Status: 0 = Offline, 1 = Online (DMD20 is
always online)

<1>

Loss Flag

1 = Loss of IDI Signal, DMD20

<1>

Alarm 5

Bit 0 = Trellis Decoder Lock, 1 = Lock
Bit 1 = IFEC Alarm, 1 = fail
Bit 2 = T1/E1 Signaling, 1 = Fail
Bit 3 = TPC Conflict Check, 1 = Fail
Bit 4 – 5 = Spares
Bit 6 = DVB Frame Lock Fault, 1 = Fail
Bit 7 = Spare

<1>

Latched Alarm 4

Bits 0 – 6 = Reserved
Bit 7 = Low EbNo
0 = Not Latched, 1 = Latched

<4>

Symbol Rate

Binary value, 1 sps steps

<1>

Latched Alarm 5

Bit 0 = Trellis Decoder Lock
Bit 1 = IFEC Alarm
Bit 2 = T1/E1 Signaling
Bit 3 = TPC Conflict Check
Bit 4 – 5 = Spares
Bit 6 = DVB Frame Lock Fault
Bit 7 = Spare
0 = Not Latched, 1 = Latched

<1>

Alarm 6

Bit 0 = LBST LNB DC Current Alarm, 1 = Fail
Bit 1 = LBST LNB DC Voltage Alarm, 1 = Fail
Bit 2 = Ethernet WAN Alarm, 1 = Fail
Bits 3 – 7 = Spares

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