Error responses – Extron Electronics DMP 64 User Guide User Manual

Page 102

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The Command and Response tables list valid ASCII (for Telnet or RS-232) command
codes, the corresponding URL (Uniform Resource Locator) encoded (for Web browsers)
command codes, the DMP 64 responses to the host, and a description of the command
function or the results of executing the command.
Symbol definitions

]

=

CR/LF (carriage return/line feed) (hex

0D 0A

)

}

=

Carriage return (no line feed, hex 0D)
(for URL-encoded commands, use the pipe character,

|

,

instead)

=

Space character (

%20

for web browser)

|

=

Pipe (vertical bar) character

*

=

Asterisk character (which is a command character,

not a

variable)

E

=

Escape key (hex

1B

)

(use

W instead of Esc for Web browsers)

NOTE: For Web encoding only: data is directed to the specified port and must be

encoded (URL encoding) if it is non-alphanumeric. Change any non-alphanumeric
character (%, +, |, }, and so on) within the data section into the corresponding
hexadecimal equivalent, %xx, where xx represents the two-character hex byte. For

example, a space (hex: 20) would be encoded as %20 and a plus sign (hex: 2B)

would be encoded as %2B.

Error Responses

When the DMP 64 is unable to execute the command, it returns an error response to the
host. The error response codes and their descriptions are as follows:

E01 - Invalid input number (number is too large)

E23 - Checksum error (for file uploads)

E12 - Invalid port number

E24 - Privilege violation

E13 - Invalid parameter (number is out of range)

E25 - Device is not present

E14 - Not valid for this configuration

E26 - Maximum connections

exceeded

E17 - System timed out

E27 - Invalid event number

E22 - Busy

E28 - Bad filename or file not found

DMP 64 • SIS Programming and Control

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