Quantum Data 881 - Manual (Page 431)

881/882 Video Test Generator User Guide (Rev A.22) 413
CEC1:RSPG 1 //enables responses on the HDMI Tx output 1 port
CEC3:RSPG 1 //enables responses on the HDMI Rx ports
Additional equipment required
Certain tests in the Electrical Specification section of the compliance test require the use
of Test Point Adapters (TPAs) that Quantum Data manufactures and provides as part of
the CEC compliance test option. The devices are shown below.
Dynamic Electrical Test Fixture - Model TPA-CEC-RR.
Quiescent Electrical Test Fixture - Model TPA-CEC-R.
Switch
Positions
Applications
1 Turns off the TPA to save the battery
2 Connects CEC line to 3.3v via a 3kohm ±5% resistor
3 Connects CEC line to ground via 150kohm +/-5% resistor
Dynamic Elecrical Test Fixture
Model TPA-CEC-RR
HDMI METER LOAD
Turn OFF
when not in use
+ -
HDMI
2
1
3
OFF
Quiescent Elecrical Test Fixture
Model TPA-CEC-R
HDMI METER LOAD Power
Turn OFF
when not in use
off
on
1
2
3 4
5
6
+ -