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Simple Control Port Commands - Telnet and Web-browser Accessible
Upper and lower case text can be used interchangeably except where noted. Port 23
is default for Telnet. Port 80 is default for web browsers. They both can be mapped to
different ports.
The following commands are for either a Telnet (port 23) or Web browser (port80)
connection. There are minor differences when implementing these commands via Telnet
or via URL encoding using a web browser. All commands listed will work using either
connection method but due to some limitations of the web browser, the encapsulation
characters must be modified to be certain the web browser will properly handle them. All
examples are shown in a proper implementation of a Telnet or Web Browser session.
NOTE: When using web browsers, some non-alpha numeric characters must
be represented as their hex equivalent such as %xx where xx equal the two
character representation of the hex byte that needs to be sent (i.e. a comma ‘,’
would be represented as %2C). Characters such as ‘%’ (percent), ’+’ (plus) and ‘ ‘
(space) should also be encoded in Hex.
Telnet Web Browser
Escape (Hex 1B) W [must not be encoded]
Carriage Return (Hex
0D)
Pipe Character (>) [must not be encoded]
When describing the use of SIS commands via a web browser, the [URL] reference is
used to shorten the examples. [URL] would be the full URL of the control interface and
web page reference including all path information
(http://192.168.254.254/mypage.HTML).
To send commands using a Web browser, prefix them with the full URL followed by
?cmd= (http://192.168.254.254/mypage.html?cmd=WSF>).
Although the DMP128 uses the same structure for SIS commands, there are two
variations. One is the global command structure noted above and documented in the
Command/Response Tables that immediately follows.
The second set of tables, “DSP SIS commands” uses the command structure outline
beginning with “DSP SIS Commands” on page 124. While using the same structure as
basic SIS commands, they differ in how the software addresses the individual processor
blocks within the DMP128.
Generally the basic SIS commands will be used for global configuration such as setting
IP addresses, date/time, while the Audio SIS commands allow functionality of the audio
signal chain.
DMP128 • SIS Programming and Control 118