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Command and Response Table for CEC Communications SIS Commands
Command
CEC Enable/Disable
Enable or disable the output CEC
View output CEC status
Send CEC Commands
Default Discovered Target Logical Address
Send CEC data to Output
(downstream sink)
Broadcast to All Devices
Send CEC data to Output
(downstream sink)
NOTE:
Attempting to send a CEC command to an input or output that is disabled returns an E14 error.
KEY:
X4)
= CEC mode
X4!
= CEC status
X4@
= Source logical address (our pseudo):
X4#
= Destination logical address (theirs):
X4$
= CEC command Predefined actions as strings within double quotes: "
X4%
= Send result
X4*
= CEC data
X4(
= CEC address byte
ASCII Command
(Host to Switcher)
E
X4)
}
O1*
CCEC
E
}
O1CCEC
Verbose mode 2/3
E
X4$
}
O1*
DCEC
or
E
X4#
}
O1*
DCEC
E
X4$
}
O1*15*
DCEC
or
}
X4*
O1*15*
DCEC
E
0
= Disable CEC operation for this IO port (default)
2
= Enable insertion and break CEC connection input to output (unidirectional)
4
= Enable insertion and publish received CEC messages (bidirectional)
0
0
= CEC mode
disabled;
2
2
= CEC mode
enabled but no device detected (unidirectional)
3
2
= CEC mode
enabled and device detected (unidirectional)
4
4
= CEC mode
enabled but no device detected (bidirectional)
5
4
= CEC mode
enabled and device detected (bidirectional)
0
through
0
15
through
(see
CEC Logical Addresses
0
= Failed (NAK) device not detected,
2
= Unable to send
0
15
User selected elements (
to
(Example: %2A%07%FF)
In the form of percent sign followed by 2 hex digits
Example: %E0 = Extron output (14) to TV (0)
Response
(Switcher to Host)
X4) ]
CcecO1*
X4!
X4@
X4#]
*
*
X4!
X4@
X4#]
CcecO1*
*
*
X4( X4$
X4%]
DcecO1*
*
X4( X4*
X4%]
DcecO1*
*
15
-1
(
= not found or port not enabled)
-1
(
= not found or port not enabled)
on page 39)
PwrOn
", "
1
= Success (ACK) device detected,
) in the form of percent sign followed by two hex digits
UCS 303 • SIS Communication and Control
Additional Description
The response is always in a
X4*
hex representation (
example: %2A%07%FF.
PwrOff
ShowMe
", or "
"
), for
40
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