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Error Responses
If the extender is unable to execute a command it receives because the command is invalid
or contains invalid parameters, the USB Extender Plus T-R returns an error response to the
host. Error response codes and their descriptions are:
E10 – Invalid command
E12 – Invalid port number
E13 – Invalid value (out of range)
E14 – Not valid for this configuration
E22 – Busy
E24 – Privilege violation
E25 – Device not present
Using the Command and Response Table
The Command and Response Table on the next page lists valid ASCII command codes,
the responses of the extender to the host, and descriptions of the command functions or
the results of executing the commands. The ASCII to Hex Conversion Table below is for use
with the Command and Response Table.
ASCII to HEX Conversion Table
•
Space
Symbol Definitions
]
= CR/LF (carriage return and line feed) (hex 0D 0A)
}
or ¦ = Soft carriage return (no line feed)
• = Space
E
or W = Escape key (hex 1B)
X!
= On and off (enable and disable)
0 = Off or disabled
1 = On or enabled
X@
= Extender unit part number:
Transmitter: 60-1471-12
Receiver: 60-1471-13
NOTE: Unless otherwise indicated, commands are not case sensitive.
USB Extender Plus T/R • Remote Configuration and Control 13