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4 global response operational codes -34 – Comtech EF Data MM200 User Manual

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User Interfaces

MM200 High-Speed Microwave Modem

4-34

TM086 - Rev. 4.1

4.5.4 Global Response Operational Codes


In acknowledgment response packets, the operational code 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 with the
, sets the 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 Inc.
equipment in the same manner. These are summarized as follows all Opcode values are
expressed in decimal form:

Table 4-5. Response OPCODES

RESPONSE OPCODE DESCRIPTION

OPCODE

Good Message

000d = 0x0000

Bad Parameter

255d = 0x00FF

Bad Opcode

254d = 0x00FE

Bad Checksum

253d = 0x00FD

Command Not Allowed in LOCAL Mode

252d = 0x00FC

Command Not Allowed in AUTO Mode

251d = 0x00FB

Bad Destination

250d = 0x00FA

Unable to Process Command

249d = 0x00F9

Packet Too Long

248d = 0x00F8



The following response error codes are specific to the MM200:

MM200 Response Error Code Descriptions

OPCODE

REMOTE_GOOD

0x0000

REMOTE_SIZE_ERROR

0x0201

REMOTE_UNKNOWN_ERROR

0x0202

REMOTE_CONTROL_ERROR

0x0203

REMOTE_PARAMETER_ERROR

0x0204

REMOTE_LASTRATE_ERROR

0x0205

REMOTE_SYMBOL_LO_ERROR

0x0206

REMOTE_SYMBOL_HI_ERROR

0x0207

REMOTE_DATA_LO_ERROR

0x0208

REMOTE_DATA_HI_ERROR

0x0209

REMOTE_FRAMING_ERROR

0x020A

REMOTE_MODULATION_ERROR

0x020B

REMOTE_DEMODULATION_ERROR

0x020C

REMOTE_CHANNEL_ERROR

0x0210