Extron electronic DVS 304 AD, DVS 304 D manual Communication, cont’d, Serial

3-16

Command/response table for IP control port commands (continued)

Command	ASCII (Telnet)	URL Encoded (Web)	Response	Additional description
	(host to processor)	(host to processor)	(processor to host)

Serial

DVS 304 • Serial

Query updated firmware	4Q	4Q	X1! ]
version
Example:	4Q	4Q	1.01 * (1.46-DVS 304
			Series -Mon, 17 Jan
			2005 17:03:46 GMT)

Use this command to find out which version f firmware has been uploaded into the processor post factory.

In this example, factory firmware version is 1.01, kernel version 1.46, for DVS 304, dated 1Jan, 2005

Communication

Information requests

Request processor part number		N	N	60-XXX-XX ]	Show processor part number. DVS 304 is
					60-736-01 DVS 304 A is 60-736-02
Request model name		1I	1I	Extron Electronics	Show processor model name
				DVS 304 X ]
Request model description		2I	2I	Digital Video Scaler	Show type of unit.
Request system memory usage		3I	3I	# Bytes used out of	Show amount of memory used and total
				#Kbytes ]	available memory for system operations.
Request user memory usage		4I	4I	# Bytes used out of	Show amount of user memory used and
				#Kbytes ]	total vailable user memory.
Event Control
Read event memory buffer 27		E X3%, X3^, X3&, X3*	WX3%, X3^, X3&, X3* E	X5$ ]	Read the contents of a specific section of a
		E}			memory buffer for event number X5$.
Write event to memory		E X3%, X3^, X3&,	W X3%, X3^, X3&, X3*,	Ewr X3%, X3( ]	Write event X3% to buffer X3^, offset
buffer24 27		X3*, X3( E}	X3( E		byX3&. Include data X3( , size X3*.
Read string from event buffer		E X3%, X3^, X3&, X4$	W X3%, X3^, X3&, X4$	{string} ]	Read string from eventX3%, buffer
memory 27		FE}	FE		X3^, offset by X3&,X4$ bytes.
Write string to event buffer		E X3(,X3%,X3^,X3&	W X3(, X3%, X3^,	Ewr X3%, X3(]	Write data string X3( from eventX3%,
memory24 27		FE}	X3&FE		buffer X3^, offset byX3&.
Start events24 27		E1AE}	W1AE	Ego ]	Initiate all programmed events.
N X1! = Version number			(listed to 2 decimal places)
X3%	= Event number		range: 0 - 99
X3^	= Event buffer:		0 = receive, 1 = unified, 2 = data, 3 = NVRAM
X3&	= Event buffer offset		(range: 0 to MaxBufferSize)
X3*	= Event data size		b = bit, B = byte (8 bits), S = short (16 bits), L = long (32 bits)		N This parameter is case sensitive.
X3(= Event data to write
X4$	= Number of bytes to read		(range = 1-24 max)
X5$	= ASCII digit(s) representing the numeric		value of the data element read from the event buffer (leading zeros are suppressed)

Communication, cont’d