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User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem
4-96 TM051 – Rev. 5.8
Opcode: <2A21h> Command Data Invert
<1> Data Invert 0 = None, 1 = Terrestrial, 2 = Baseband 3 = Terrestrial and
Baseband
Opcode: <2A22h> Command Force Demod Summary Alarms
<1> Summary Alarm 0 = Do not force. 1 = Force
Opcode: <2A23h> Command External EXC Source
<1> External Clock Source 0 = BNC EXC, 1 = Balanced EXC, 2 = IDI, 3 = SYS [RCS10
Only]
Opcode: <2A24h> Clear Latched Alarm 1 (No Data)
Opcode: <2A25h> Clear Latched Alarm 2 (No Data)
Opcode: <2A26h> Clear Latched Alarm 3 (No Data)
Opcode: <2A2Eh> Clear Latched Alarm 4 (No Data)
Opcode: <2A2Fh> Command a demodulator’s reacquisition sweep.
<2> Reacquisition Sweep Unsigned Binary 0-32000
Opcode: <2A32h> Command a demodulator’s Reed Solomon N & K Codes & Interleaver Depth
<1>
<1>
<1>
Rx Reed Solomon N
Code
Rx Reed Solomon K
Code
Rx Reed Solomon
Depth
2 - 255 Reed-Solomon code word length
1 - 254 Reed-Solomon message length
4 or 8 Reed Solomon Interleaver Depth
Opcode: <2A33h> Command a demodulator’s time mark transfer
<1> Time Mark Transfer
Pattern Length
Unsigned Binary (4 to 16) Inclusively
4.9.5.3 Modem Queries & Commands
Opcode: <2403h> Query a modem's identification
Query Response
<1> Modem ID DMD15 Modulator = 20, DMD15 Demodulator = 21, DMD15
Modem = 22
Opcode: <2404h> Query a modem's control mode
Query Response
<1> Modem control mode 0 = Front panel. 1 = Terminal, 2 = Computer