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Step 2:
Setting DMX Termination
After completing data connections you must properly terminate each DMX line using the termination
DIP switches on the CEM3 backplane. Data termination eliminates signal "reflections" at the end of
the network that interfere with network functions. Each DMX line should have termination turned On
at the last network connection.
Step 1:
Step 2:
Step 3:
Note:
24
From source
DMX B
If daisy-chaining to
another rack or
DMX device...
Figure 5: IDC DMX Connection
If needed, terminate both the outgoing cables into the third header, "PASS-THRU". This
header is located below the primary DMX headers and has both the DMX A and DMX
B connections available as shown above.
Locate the termination DIP switches on the CEM3 backplane.
Using the label on the backplane to match data connections to the associated
termination DIP switches.
Set the termination switches to On (right) or Off (left) depending on the connection
status:
• If the connection is jumpered to another rack or device, turn termination Off.
• If the connection ends at the rack, turn termination On.
• If a data connector is not used, either setting is acceptable.
The termination switches should not be set to the "RDM" position unless
recommended by ETC.
From source
DMX A
DMX B
DMX A
Thru
Thru
OFF
ON
All Connections UL Class 2
Sensor3 CE Rack (ESR3) Installation Manual
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