Crestron electronic Network Distribution Block Leading Specifications, Installation and Wiring

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Crestron CNHBLOCK

Multi-Type Network Distribution Block

POWER

This LED (green) is brightly illuminated when Cresnet 24VDC power is supplied to the CNHBLOCK and available at the remaining connectors.

Y

During normal operation, this LED (red) is brightly illuminated when the CNHBLOCK receives the correct Cresnet Y data signal. If this LED is anything other than brightly illuminated, refer to “Y and Z LED Illumination” on page 7 for further information.

Z

During normal operation, this LED (red) is dimly illuminated when the CNHBLOCK receives the correct Cresnet Z data signal. If this LED is anything other than dimly illuminated, refer to “Y and Z LED Illumination” on page 7 for further information.

Leading Specifications

The table below provides a summary of leading specifications for the CNHBLOCK. Dimensions and weight are rounded to the nearest hundredth unit.

Leading Specifications of the CNHBLOCK

SPECIFICATION

DETAILS

Dimensions & Weight

Height: 1.27 in (3.23 cm)

Width: 5.55 in (14.10 cm)

Depth: 3.30 in (8.38 cm)

Weight: 0.68 lb (0.31 kg) *

*The weight listed is for the CNHBLOCK, mounting plate, and all supplied 4-pin connectors.

As of the date of manufacture, this unit has been tested and found to comply with specifications for CE marking.

Installation and Wiring

Installation

The CNHBLOCK may be installed into any convenient location using the supplied mounting plate or into a 19-inch rack by using a CNXRMAK Rack Mount Kit (not supplied). To install the CNHBLOCK with the supplied mounting plate or into a rack, refer to the appropriate following section.

Installation with Supplied Mounting Plate

Refer to the diagram on the next page. To install the CNHBLOCK using the supplied mounting plate, attach the mounting plate to a convenient location through at least one hole in each corner (mounting screws are not supplied). It is recommended to install the CNHBLOCK in an area where the connectors are accessible and LEDs are visible.

Operation & Installation Guide - DOC. 8157

Multi-Type Network Distribution Block: CNHBLOCK 3

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Contents Page Contents Physical Description DescriptionFunctional Description Cnhblock Ports Cnhblock IndicatorsInstallation and Wiring Leading SpecificationsInstallation Specification DetailsRack Installation Resistance R Wire Gauge Network WiringConnecting the Cnhblock to Cresnet Devices Trouble Possible Corrective Action Causes Problem SolvingGeneral Troubleshooting Further Inquiries Data Signal ConditionsZ LED Illumination Crestron Limited Warranty Return and Warranty PoliciesMerchandise Returns / Repair Service