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DMX Control Wiring and Termination
Follow the DMX termination kit instructions provided with the product to terminate the
control wiring.
DMX termination is made to J4 and J5 on the termination board. Use the DMX Pass-Thru if you
are daisy-chaining to another panel or DMX device.
After completing the DMX data connections, you must
properly terminate the DMX line using the termination
switch (S1) on the relay panel termination board. Data
termination eliminates reflections at the end of the
DMX data run.
Note:
Terminate the Network Connection
The Power Control Processor Mk2 in the Echo Relay Panel Feedthrough has an integrated
network interface and ships with a 1 ft Cat5 patch cable and a network termination kit
containing a two-part surface-mount connector.
Wire the Connector
The Category 5 surface-mount connector consists of two pieces: a base unit and a cap. The
cap has colored markings on one end to indicate where to insert each of the cable's color-
coded wires. Follow the T568B wiring scheme, as illustrated on the cap sticker, for
compatibility with ETC network wiring conventions.
1. Pull Cat5 (or equivalent) cable to the panel.
2. Leave a length of about 25 cm (10 in) in the panel for connecting and for slack for future
service needs.
3. Follow standard Cat5 installation procedures to remove the end of the cable jacket and
expose the conductors:
Remove about 13 mm (1/2 in) of the end of the outer cable jacket using a sheathing tool
•
or cutter, making sure not to damage the insulation of the inner conductors. If one or
more of the conductors are damaged during this process, cut the cable off squarely and
start again.
4. Untwist the conductors and line them up according to the T568B color-coded markings.
Insert the conductors into the connector cap. The cable jacket should come close to the
edge of the connector with as little of the conductors visible as possible. Otherwise, cut off
the cable squarely and start again.
5. If any conductors extend beyond the edge of the connector cap,
trim the excess so that the ends of the conductors are flush with
the edge of the connector cap.
6. Press the cap firmly on the connector base until the two pieces
snap together. Use slip joint pliers to apply pressure evenly across
the cap and to secure the connection, but make sure not to break
the plastic while applying pressure.
Installation Procedure
The RDM position is not used.
Turn on DMX termination
in the last panel/device
that is physically connected
in the DMX chain.
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