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User Interfaces
4.9.4 Global Response Operational Codes
In acknowledgment (response) packets, the operational code <OPCODE> field of the message
packet is set to 0 by the receiving devices when the message intended for the device is evaluated
as valid. The device that receives the valid message then exchanges the <SOURCE ID> with the
<DESTINATION ID>, sets the <OPCODE> to zero in order to indicate that a good message was
received, and returns the packet to the originator. This "GOOD MESSAGE" Opcode is one of
nine global responses. Global response Opcodes are common responses, issued to the M&C
computer or to another device, that can originate from and are interpreted by all Radyne
equipment in the same manner. These are summarized as follows (all Opcode values are
expressed in decimal form):
RESPONSE OPCODE DESCRIPTION
IF Frequency Error
External Reference Error
Frequency Reference Source Error
Modulation Type Error
Inner FEC Rate Error
Outer FEC Bypass Error
Scrambler Bypass Error
Transmit Power Level Error
Carrier Control Error
Input/Output Clock Source Error
Input Clock Polarity Error
Network Spec Error
Tx Interface Type Error
Terrestrial Framing Error
4-20
Good Message
Bad Parameter
Bad Opcode
Data Rate Error
Carrier Type Error
Spectrum Error
Symbol Rate Error
Data Polarity Error
Roll Off Error
Time Error
Date Error
DM240-DVB High-Speed Digital Modulator
OPCODE
0000h
00FFh
00FEh
0401h
0404h
0406h
0407h
0408h
0409h
040Ah
040Bh
0410h
0411h
0412h
0413h
0417h
0418h
0422h
0429h
042Ch
042Eh
0450h
0451h
0A01h
0A02h
TM083 - Rev. 3.0
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