background image

Multi-Type Network Distribution Block                              Crestron 

CNHBLOCK

8  

••

  Multi-Type Network Distribution Block: CNHBLOCK

Operation & Installation Guide - DOC. 8157

Return and Warranty Policies

Merchandise Returns / Repair Service

1.

 

No merchandise may be returned for credit, exchange, or service without prior
authorization from Crestron. To obtain warranty service for Crestron products,
contact the factory and request an RMA (Return Merchandise Authorization)
number. Enclose a note specifying the nature of the problem, name and phone
number of contact person, RMA number, and return address.

2.

 

Products may be returned for credit, exchange, or service with a Crestron Return
Merchandise Authorization (RMA) number. Authorized returns must be shipped
freight prepaid to Crestron, Cresskill, N.J., or its authorized subsidiaries, with
RMA number clearly marked on the outside of all cartons. Shipments arriving
freight collect or without an RMA number shall be subject to refusal. Crestron
reserves the right in its sole and absolute discretion to charge a 15% restocking
fee, plus shipping costs, on any products returned with an RMA.

3.

 

Return freight charges following repair of items under warranty shall be paid by
Crestron, shipping by standard ground carrier. In the event repairs are found to be
non-warranty, return freight costs shall be paid by the purchaser.

Crestron Limited Warranty

Crestron ELECTRONICS, Inc. warrants its Cresnet products, denoted by a "CN" prefix
model number, to be free from manufacturing defects in materials and workmanship for a
period of three (3) years from the date of shipment to purchaser. Disk drives and any other
moving or rotating mechanical parts are covered for a period of one (1) year. Crestron
warrants all its other products for a period of one year from the defects mentioned above,
excluding touchscreen display components which are covered for 90 days. Incandescent
lamps are completely excluded from Crestron's Limited Warranty. Crestron shall, at its
option, repair or replace any product found defective without charge for parts or labor.
Repaired or replaced equipment and parts supplied under this warranty shall be covered only
by the unexpired portion of the warranty.

Crestron shall not be liable to honor warranty terms if the product has been used in any
application other than that for which it was intended, or if it has been subjected to misuse,
accidental damage, modification, or improper installation procedures. Furthermore, this
warranty does not cover any product that has had the serial number altered, defaced, or
removed.

This warranty shall be the sole and exclusive remedy to the purchaser. In no event shall
Crestron be liable for incidental or consequential damages of any kind (property or economic
damages inclusive) arising from the sale or use of this equipment. Crestron makes no other
warranties nor authorizes any other party to offer any warranty, expressed or implied,
including warranties of merchantability for this product. This warranty statement supersedes
all previous warranties.

Trademark Information

All brand names, product names, and trademarks are the sole property of their respective
owners. Windows is a registered trademark of Microsoft Corporation. Windows95,
Windows98 and WindowsNT are trademarks of Microsoft Corporation.

Summary of Contents for CNHBLOCK

Page 1: ......

Page 2: ...ption 1 Functional Description 1 Physical Description 1 Leading Specifications 3 Installation and Wiring 3 Installation 3 Network Wiring 5 Connecting the CNHBLOCK to Cresnet Devices 5 Problem Solving 6 General Troubleshooting 6 Y and Z LED Illumination 7 Further Inquiries 7 Return and Warranty Policies 8 Merchandise Returns Repair Service 8 Crestron Limited Warranty 8 ...

Page 3: ... silk screened labels The front panel contains 16 connectors that are used to input power and Cresnet data signals to the CNHBLOCK and output the same to Cresnet devices All connectors are internally wired together in parallel Although not shown all connectors used to attach the Cresnet wiring to the CNHBLOCK are supplied but Crestron modular cables are not Also on the front panel of the CNHBLOCK ...

Page 4: ...NHBLOCK to other Cresnet four wire devices The three 6 pin 6 position RJ11 modular ports labeled a b and c are used to connect the CNHBLOCK to modular devices in the Cresnet system Only one port any of the three types is used as an input source and the remaining ports are used as outputs CAUTION Do not connect or daisy chain more than one power input power pack or power supply to the CNHBLOCK Mult...

Page 5: ...are rounded to the nearest hundredth unit Leading Specifications of the CNHBLOCK SPECIFICATION DETAILS 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 Dimensions Weight 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 C...

Page 6: ...not supplied Perform the following steps to install the CNHBLOCK into a rack The only tool required for this procedure is a 2 Phillips screwdriver 1 Using a 2 Phillips screwdriver remove the four mounting screws shown below that secure the mounting plate to the CNHBLOCK and remove the plate Detach Mounting Plate 2 For further instructions refer to the latest revision of the CNXRMAK Installation Gu...

Page 7: ...000 Where The required wire gauge should be chosen such that the resistance value is less than the value calculated in the resistance equation Refer to the table below Wire Gauge Values RESISTANCE R WIRE GAUGE 4 16 6 18 10 20 15 22 13 24 Double CAT 5 NOTE All Cresnet wiring must consist of two twisted pairs One twisted pair is the 24V conductor and the GND conductor and the other twisted pair is t...

Page 8: ...to devices in the Cresnet system review the latest revision of the Network Modular Cable Requirements Doc 5682 This document can be obtained from the Downloads page CABLES and MANUAL Libraries of Crestron s website www crestron com Search for MODULAR PDF CAUTION Crestron modular cables are rated for a maximum of two 2 amperes Do not exceed this current capacity for any modular device If more curre...

Page 9: ...AL CONDITIONS Bright Dim Both Y and Z data signals present Off Bright Both data signals missing Bright Bright Y data signal is present Z is missing Off Dim Z data signal is present Y is missing Dim Bright Y and Z data signals reversed Further Inquiries If after reviewing this Operation Installation Guide you cannot locate specific information or have questions please take advantage of Crestron s a...

Page 10: ... three 3 years from the date of shipment to purchaser Disk drives and any other moving or rotating mechanical parts are covered for a period of one 1 year Crestron warrants all its other products for a period of one year from the defects mentioned above excluding touchscreen display components which are covered for 90 days Incandescent lamps are completely excluded from Crestron s Limited Warranty...

Page 11: ......

Page 12: ......

Reviews: