Extron electronic Digital Video Scaler Series DVS 304 AD - Manual (Page 56)

Serial Communication, cont’d
DVS 304 • Serial Communication 3-16
Command/r
esponse table for IP contr
ol port commands (continued
)
Command
ASCII (T
elnet
)
(host to pr
ocessor
)
URL Encoded (W
eb
)
(host to pr
ocessor
)
Response (pr
ocessor to host
)
Additional description
Query updated firmwar
e
version
4Q
4Q
X1!
]
Use this command to find out which version f firmwar
e has been uploaded into the
pr
ocessor post factory
.
Example:
4Q
4Q
1.01 * (1.46-DVS 304 Series -Mon, 17 Jan 2005 17:03:46 GMT)
In this example, factory firmwar
e version is
1.01, kernel version 1.46, for DVS 304, dated 1Jan, 2005
Information r
equests
Request
pr
ocessor
part
number
N
N
60-XXX-XX
]
Show pr
ocessor part number
. DVS 304 is
60-736-01 DVS 304
A
is 60-736-02
Request model name
1I
1I
Extr
on Electr
onics
DVS 304 X
]
Show pr
ocessor model name
Request model description
2I
2I
Digital V
ideo Scaler
Show type of unit.
Request system memory usage
3I
3I
# Bytes used out of #Kbytes
]
Show amount of memory used and total available memory for system operations.
Request user memory usage
4I
4I
# Bytes used out of #Kbytes
]
Show amount of user memory used and total vailable user memory
.
Event Contr
ol
Read event memory buf
fer
27
E
X3%
,
X3^
,
X3&
,
X3*
E
}
W
X3%
,
X3^
,
X3&
,
X3*
E
|
X5$
]
Read the contents of a specific section of a memory buf
fer for event number
X5$
.
W
rite event to memory
buf
fer
24 27
E
X3%
,
X3^
,
X3&
,
X3*
,
X3(
E
}
W
X3%
,
X3^
,
X3&
,
X3*
,
X3(
E
|
Ewr
X3%
,
X3(
]
W
rite event
X3%
to buf
fer
X3^
, of
fset
by
X3&
. Include data
X3(
, size
X3*
.
Read string fr
om event buf
fer
memory
27
E
X3%
,
X3^
,
X3&
,
X4$
FE
}
W
X3%
,
X3^
,
X3&
,
X4$
FE
|
{string}
]
Read string fr
om event
X3%
, buf
fer
X3^
, of
fset by
X3&
,
X4$
bytes.
W
rite string to event buf
fer
memory
24 27
E
X3(
,
X3%
,
X3^
,
X3&
FE
}
W
X3(
,
X3%
,
X3^
,
X3&
FE
|
Ewr
X3%
,
X3(]
W
rite data string
X3(
fr
om event
X3%
,
buf
fer
X3^
, of
fset by
X3&
.
Start events
24 27
E
1AE
}
W1AE
|
Ego
]
Initiate all pr
ogrammed events.
N
X1!
= V
ersion number
(listed to 2 decimal places)
X3%
= Event number
range: 0 - 99
X3^
= Event buf
fer:
0 = r
eceive, 1 = unified, 2 = data, 3 = NVRAM
X3&
= Event buf
fer of
fset
(range: 0 to MaxBuf
ferSize)
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 r
ead
(range = 1-24 max)
X5$
=
ASCII digit(s) r
epr
esenting the numeric
value of the data element r
ead fr
om the event buf
fer (leading zer
os ar
e suppr
essed)