Using The Command And Response Table; Error Responses; Simple Control Port Commands; Special Characters - Extron electronics DMP 128 Plus User Manual

Using the Command and Response Table

Symbols are used throughout the SIS tables to represent variables in the command response fields. Command
and response examples are shown throughout the table. The ASCII to HEX conversion table (see figure 41) is for
use with the command and response tables.
ASCII to Hex Conversion Table
Space
Figure 41. ASCII to Hex Conversion Table
NOTE: For commands and examples of computer or device responses used in this guide, the character "0" is
the number zero and "O" is the capital letter "o".

Error Responses

When the DMP 128 Plus is unable to execute the command, it returns an error response to the host. The error
response codes and their descriptions are as follows:
– Unrecognized command
E10
– Invalid port number
E12
– Invalid parameter
E13
– Not valid for this configuration
E14
– Invalid command for signal type
E17
– System timed out
E18
– Busy
E22

Simple Control Port Commands

Upper and lower case text can be used interchangeably except where noted. Port 23 is the default port for Telnet.
Port 80 is the default port for web browsers. Both can be mapped to different ports.

Special Characters

The HTML language reserves certain characters for specific functions. The device will not accept the following
characters as a part of preset names, the device names, passwords, or locally created file names.
The DMP 128 Plus rejects the following characters:
{space (OK for names)} + ~ , @ = ' { } [ ] < > ` " ; : \ ?
•
– Privilege violation
E24
– Device not present
E25
– Maximum connections exceeded
E26
– Bad filename or file not found
E27
– Bad file name or file not found
E28
– Attempt to break port pass-through
E31
when not set
DMP 128 Plus • SIS Configuration and Control 34