Reset controller, Set protocol, Set port range – AMX UDM-0404 User Manual
Page 102: Status values

UDM Hub Control Protocol
90
UDM-0404 4x4 Multi-Format Distribution Hub
Reset Controller
Resets the controller - reboots as though powered on - second 156 (inverted 99) in packet is to guard against
accidental resets.
Return status:
Set Protocol
Determines protocol settings for communications and operations.
Various values and descriptions are shown below:
Response Protocol:
Return status:
Set Port Range
Sets the Port property for the hub. This property value may be used in subsequent action commands. A range
may be specified using the min and max values, if max is equal to the min then a single value will be used.
Return status:
Status Values
Status replies can be either general or specific to certain commands. Status values are always returned in the
byte after the returned command in the returned status packet. In general, success is indicated by a single
value, failure is indicated by as specific a return value as possible.
Byte #
0
1
2
3
4
5
Byte value
99
User Defined
156
User Defined
User Defined
User Defined
Byte #
0
1
2
3
4
5
Byte value
99
Status
156
User Defined
User Defined
User Defined
Byte #
0
1
2
3
4
5
Byte value
75
User Defined
Response protocol
Reserved
Reserved
User Defined
Value Description
1
Provide response packets for all operations in a range - each command in the range has a separate
response.
3
Aggregates all responses - a command set based on a range will only supply one response, unless
some commands result in errors.
Byte #
0
1
2
3
4
5
Byte value
75
Status
Response protocol
Reserved
Reserved
Reserved
Byte #
0
1
2
3
4
5
Byte value
66
User Defined
Min Port
Max Port
User Defined
User Defined
Byte #
0
1
2
3
4
5
Byte value
66
Status
Min Port
Max Port
User Defined
User Defined
Status Value Description
1
Command completed successfully
64
Command fail
65
Incorrect parameters
66
Incorrect port parameter
67
Incorrect input parameter
70
Session not authenticated
80
Input is disabled
81
Port is locked
82
Port is disconnected
90
Command has timed out (no response from port)