beautypg.com

Comtech EF Data DMD20 User Manual

Page 87

background image

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

Remote Operations

MN-DMDREMOTEOP Revision 9

1–77

<1>

Mod Alarm 1

Bit 0 = Transmit FPGA/Processor Fault, 1 = Fail
Bit 1 = Drop DSP, 1 = Fail
Bit 2 = Transmit Symbol Clock PLL Lock, 1 = Lock
Bit 3 = Reserved
Bit 4 = IF/L-Band Synthesizer Lock, 1 = Lock
Bits 5 & 6 = Reserved
Bit 7 = Mod Summary Fault, 1 = Fail

<1>

Mod Alarm 2

Bit 0 = Terrestrial Clock Activity Detect, 1 = Activity
Bit 1 = Internal Clock Activity Detect, 1 = Activity
Bit 2 = Tx Sat Clock Activity Detect, 1 = Activity
Bit 3 = Tx Data Activity Detect, 1 = Activity
Bit 4 = Terrestrial AIS. Tx Data AIS Detect, 1 = AIS Fail
Bit 5 = Tx Clock Fallback, 1 = Clock Fallback
Bit 6 = DVB Frame Lock Fault, 1 = Fail
Bit 7 = TPC Conflict Check, 1 = Fail

<1>

Drop 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>

Demod 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>

Demod 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>

Demod 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

<1>

Demod Alarm 4

Bit 0 = Buffer Clock Activity Detect, 1 = Activity
Bit 1 = External BNC Activity Detect, 1 = Activity
Bit 2 = Rx Satellite Clock Activity Detect, 1 = Activity
Bit 3 = Insert Clock Activity Detect, 1 = Activity
Bit 4 = External Reference Activity Detect, 1 = Activity
Bit 5 = High Stability Reference PLL Activity, 1 =

Activity

Bit 6 = Reserved
Bit 7 = Low EbNo, 1 = Fail

This manual is related to the following products: