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Command and Response Table for CEC Communications SIS Commands
Command
CEC Enable/Disable
NOTE:
On the HDMI output, CEC Communications always passes through.
•
•
On the DTP2 output, CEC Communications only passes through when connected to a DTP2 or DTP standalone
receiver. CEC Communications does not pass through when connected to an IN1804, IN1808, or other similar
switching/distribution/matrix devices.
Enable/disable one output CEC
Enable/disable all outputs CEC
View CEC status for an output
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: X2)
= Video output
X2*
= CEC mode
X2(
= CEC status
X3)
= Source logical address (our pseudo): 0 through 15 (-1 = not found or port not enabled)
X3!
= Destination logical address (theirs): 0 through 15 (-1 = not found or port not enabled)
X3@
= CEC command
X3#
= Send result
X3^
= CEC data
X3&
= CEC address byte
ASCII Command
(Host to Switcher)
E
O
X2)
*
X2*
CCEC
}
E
O
X2*
*CCEC
}
E
X2)
CCEC
}
O
Verbose mode 2/3
E
X2)
*
X3@
DCEC
}
O
or
E
O
X2)
*
X3^
DCEC
}
E
O X2) *15* X3@ DCEC
}
or
E
O X2) *15* X3^ DCEC
}
1 to 2
0 = Disable CEC operations for this IO port (default);
2 = Enable insertion (unidirectional)
4 = Enable insertion and publish received CEC messages (bidirectional)
0 = CEC mode 0 disabled
2 = CEC mode 2 enabled but no device detected (unidirectional)
3 = CEC mode 2 enabled and device detected (unidirectional)
4 = CEC mode 4 enabled but no device detected (bidirectional)
5 = CEC mode 4 enabled and device detected (bidirectional)
(see
CEC Logical Addresses
Predefined actions as strings within double quotes: "PwrOn" or "PwrOff" or "ShowMe"
0 = Failed (NAK) device not detected, 1 = Success (ACK) device detected, 2 = Unable to send
User selected elements (0 to 15) in the form of percent sign followed by 2 hex digits
(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)
CcecO
X2)
*
X2*]
CcecO
X2*]
X2(
*
X3)
*
X3!]
CcecO
X2)
*
X2(
*
X3)
*
X3!]
DcecO
X2)
*
X3& X3^
*
X3#]
DcecO
X2)
*
X3& X3^
*
X3#]
on page 41)
Additional Description
the response is always a
hex representation (
X3^
), for
.
example:
%2A%07%FF
DTP2 T 212 • SIS Commands
47
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