
Serial Communication, cont’d
Error responses
When the DVS 304 receives a valid command, it executes the command and sends a response to the host device. If the unit is unable to execute the command because the command contains invalid parameters, it returns an error response to the host.
•E01 — Invalid input number
•E10 — Invalid command
•E11 — Invalid preset number
•E12 — Invalid port number
•E13 — Invalid parameter
•E14 — Not valid for this configuration
•E17 — Invalid command for signal type
•E22 — Busy
•E24 — Privilege violation
•E25 — Device not present
•E26 — Maximum number of connections exceeded
•E27 — Invalid Event number
•E28 — Bad Filename/File not found
References to errors (at command descriptions on the following pages)
14= Commands that give E14 (Invalid Command for this configuration) if sent to Extron product whose current configuration does not support the command.
24= Commands that give E24 (Privilege violation) if not administrator level
27= Commands that may give E27 (Invalid Event number)
28= Commands that may give E28 (File not found)