Design Guide — Doc. 9292A
Cresnet® Network • 17
Data-Only Cables
CRESNET-DM series cables are designed specifically for applications where a Cresnet device
only will receive data (and not power). CRESNET-DM series cables contain one 22 AWG shielded
twisted pair for control data within a non-plenum PVC jacket.
CRESNET-DM Series Cable
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: Cresnet Control Cable, Data Only, Non-Plenum, 500 ft (152 m)
spool
Terminate Cresnet Wiring to a
Connector
To terminate Cresnet wiring to a connector on a Cresnet device:
1. Remove the outer PVC jacket from the Cresnet cable.
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For a single-wire Cresnet to terminal block connection, remove approximately
1.25 in. (3.18 cm).
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For a dual-wire Cresnet to terminal block connection, remove approximately 1.50 in.
(3.81 cm).
2. Remove the aluminum/polyester shield from the outside of the exposed blue and white
twisted pair wires.
NOTE: Trim the shield only to the PVC outer jacket of the exposed wire pair.
3. Determine the treatment of the drain wire.
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The drain wire is only used on the source or power supply end. It is trimmed and can
be removed from the Cresnet network device end.
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When the drain wire is used, it must be added to the black (ground) wire prior to
termination. To do so, twist the drain with the bare copper of the black wire, trim
both wires to the same length, then tin the end of the twisted bare wire.
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Apply heat shrink to the drain wire prior to termination.
4. Note the number of twists available on the blue and white wires. This number should be
kept when terminating into a connector to maintain data integrity.
5. Remove the foam polyolefin insulation from the blue and white wires with a wire stripping
tool that supports 22 AWG (0.33 mm
2
) . The copper stranded twisted wire is exposed.
