Comtech EF Data DMD20 User Manual

Page 31

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

Remote Operations

MN-DMDREMOTEOP Revision 9

1–21

<1> Latched

Common

Alarm 2

Bit 0 = TERR FPGA Config
Bit 1 = CODEC FPGA Config
Bit 2 = CODEC Device Config
Bit 3 = TRANSEC Power Test
Bit 4 = +1.5 V Rx Alarm
Bit 5 = +1.5 V TX Alarm
Bit 6 = +3.3 V Alarm
Bit 7 = +20 V Alarm
0 = Not Latched, 1 = Latched

<1>

Drop Status

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>

+5V Voltage

+5V, Implied decimal point; 49 = +4.9 V

<1>

+12V Voltage

+12V, Implied decimal point; 121 = +12.1 V

<1>

-12V Voltage

-12V, Implied decimal point; 118 = -11.8 V (two’s
compliment)

<2> Reserved

Ignore

<1>

ESC Source

0 = Internal, 1 = External

<1>

Backward Alarms

Bit 0 = Backward Alarm 1 Transmitted
Bit 1 = Backward Alarm 2 Transmitted
Bit 2 = Backward Alarm 3 Transmitted
Bit 3 = Backward Alarm 4 Transmitted
Bits 4 & 5 = Spares
Bit 6 = IBS Prompt Alarm Transmitted
Bit 7 = IBS Service Alarm Transmitted
0 = No, 1 = Yes

<2>

AUPC Remote Test
2047 Mantissa

Binary value with implied decimal point; 795 = 7.95

<1>

AUPC Remote Test
2047 BER Exponent

Binary value with implied sign; 6 = -6

<1> Reserved

Ignore

<4>

Symbol Rate

Binary value, 1 sps steps

<1>

Latched Alarm 2

Bit 0 = Terrestrial Clock Activity Detect
Bit 1 = Internal Clock Activity Detect
Bit 2 = Tx Sat Clock Activity Detect
Bit 3 = Tx Data Activity Detect
Bit 4 = Terrestrial AIS. Tx Data AIS Detect
Bit 5 = Tx Clock Fallback
Bit 6 = DVB Frame Lock Fault
Bit 7 = TPC Conflict Check
0 = Not Latched, 1 = Latched

<1>

Alarm 4

Bit 0 = LBST BUC DC Current Alarm, 1 = Fail
Bit 1 = LBST BUC DC Voltage Alarm, 1 = Fail
Bit 2 = Ethernet WAN Alarm, 1 = Fail
Bit 3 = LBST BUC PLL Alarm, 1 = Fail
Bit 4 = LBST BUC Over Temperature Alarm, 1 = Fail
Bit 5 = LBST BUC Summary Alarm, 1 = Fail
Bit 6 = LBST BUC Output Enable Alarm, 1 = Fail
Bit 7 = LBST BUC Communications Alarm, 1 = Fail

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