Comtech EF Data DD2401 - Manual (Page 59)

DD2401 Satellite Demodulator User Interfaces
MN-DD2401 - Rev. G 4- 35
*<1>
*<30>
*<1>
*<1>
*<1>
*<30>
*<1>
<1>
Insert Mode
Insert Map
Insert Alarm
Mask
Insert Back Alarm
Mask
Force Terrestrial
Back Alarm
Insert Edit Map
Rx Impedance
1
TPC Interleaver
Bit 1 = IBS Satellite Frame Fault
Bit 2 = Spare
Bit 3 = IBS Alarm if BER < 10-03
Bit 4 = IBS Prompt Alarm
Bit 5 = IBS Service Alarm
Bit 6 = Turbo Codec Lock Fault
Bit 7 = Spare
(0 = Mask, 1 = Allow)
0 = Disable, 1 = T1-D4, 2 = T1-ESF, 3 = PCM-30, 4 = PCM-30C, 5 =
PCM-31, 6 = PCM-31C, 7 = T1-SLC96, 8 = T1-D4-S, 9 = T1-ESF-S
Mapping of Satellite Channels to Insert Terrestrial Timeslots
Bit 0 = Frame Lock Fault
Bit 1 = Multiframe Lock Fault
Bit 2 = CRC Lock Fault. Valid only in T1-ESF and E1 – CRC enabled
Bit 3 = T1 Yellow Alarm Received
Bit 4 = E1 FAS Alarm Received
Bit 5 = E1 MFAS Alarm Received
Bit 6 = E1 CRC Alarm Received
Bit 7 = CRC Calculation Fault
(0 = Mask, 1 = Allow)
Bit 0 = Backward Alarm Received from Satellite
Bits 1 – 7 = Spares
(0 = Mask, 1 = Allow)
Force D&I Terrestrial Backward Alarm to be Trans
(0 = Not Forced, 1 = Forced)
0 = 75 Ohms, 1 = 50 Ohms
0 = Disable Interleaver, 1 = Enable Interleaver
Opcode: <2A01h>
Command a Demodulator’s Frequency
<4> Frequency Unsigned Binary Value in Hz
Opcode: <2A02h>
Command a Demodulator’s Data Rate
<4> Data Rate Unsigned Binary Value in BPS
Opcode: <2A04h>
Command a Demodulator’s Sweep Boundary
<1> Sweep Boundary Set in 1 kHz Steps (Max of 42 kHz)
Opcode: <2A07h>
Command a Demodulator’s Demodulation Type
<1> Demodulation
Type 0 = QPSK, 1 = BPSK, 2 = 8PSK, 4 = OQPSK
Opcode: <2A08h>
Command a Demodulator’s Convolutional Decoder