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Operation

The following describes the basic operation of the CAEN-BLOCK-CENCN-2-POE.

TEST Button

Press the TEST button to perform a hardware test of the device. The device reports errors 
via blink patterns. The device displays error codes using the NET or MSG LED on the 
interface. The LED blinks a specific pattern to indicate an error.
For example, when a 3-3 LED blink pattern occurs, the LED blinks three times, pauses for 
1 second, blinks three times, pauses for 5 seconds, and then repeats until the error is 
corrected. When a 2-1 LED blink pattern occurs, the LED blinks two times, pauses for 1 
second, blinks once, pauses for 5 seconds, and then repeats this code until the error is 
corrected.

NET LED Feedback

Federal Communications Commission (FCC) Compliance Statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following 
conditions:(1) This device may not cause harmful interference and (2) this device must accept any 
interference received, including interference that may cause undesired operation.

CAUTION

:  Changes or modifications not expressly approved by the manufacturer responsible for 

compliance could void the user’s authority to operate the equipment.

NOTE

:  This equipment has been tested and found to comply with the limits for a Class B digital 

device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable 
protection against harmful interference in a residential installation. This equipment generates, uses 
and can radiate radio frequency energy and, if not installed and used in accordance with the 
instructions, may cause harmful interference to radio communications. However, there is no guarantee 
that interference will not occur in a particular installation. If this equipment does cause harmful 
interference to radio or television reception, which can be determined by turning the equipment off 
and on, the user is encouraged to try to correct the interference by one or more of the following 
measures:
 

•  Reorient or relocate the receiving antenna.

 

•  Increase the separation between the equipment and receiver.

 

•  Connect the equipment into an outlet on a circuit different from that to which the receiver is 

connected.

 

•  Consult the dealer or an experienced radio/TV technician for help.

Industry Canada (IC) Compliance Statement

CAN ICES-3(B)/NMB-3(B)

The product warranty can be found at www.crestron.com/warranty.
The specific patents that cover Crestron products are listed at patents.crestron.com.
Certain Crestron products contain open source software. For specific information, please visit 
www.crestron.com/opensource.
Crestron, the Crestron logo, Cresnet, and Crestron Toolbox are either trademarks or registered 
trademarks of Crestron Electronics, Inc. in the United States and/or other countries. UL is either a 
trademark or registered trademark of Underwriters Laboratories, Inc. in the United States and/or other 
countries. Other trademarks, registered trademarks, and trade names may be used in this document 
to refer to either the entities claiming the marks and names or their products. Crestron disclaims any 
proprietary interest in the marks and names of others. Crestron is not responsible for errors in 
typography or photography.
This document was written by the Technical Publications department at Crestron.
©2016 Crestron Electronics, Inc.

Crestron Electronics, Inc. 

Installation & Operation Guide - DOC. 7873B

15 Volvo Drive   Rockleigh, NJ 07647 

(2047083)

Tel: 888.CRESTRON 

12.16

Fax: 201.767.7576  

Specifications subject to 

www.crestron.com 

change without notice.

LED PATTERN 

ERROR STATE 

Error code 1-1 

Broken Y Wire 

Error code 1-2 

Short to 24 V and Y 

Error code 1-3 

Short to Ground and Y 

Error code 2-1 

Broken Z Wire 

Error code 2-2 

Short to 24 V and Z 

Error code 2-3 

Short to Ground and Z 

Error code 3-1 

Short Y to Z 

Error code 3-2 

Y and Z crossed 

Error code 3-3 

Y and Z unbalanced 

 

LED PATTERN 

ERROR STATE 

Error code 1-1 

Com issue Ethernet 

Error code 1-2 

Com issue NET A 

Error code 1-3 

Com issue NET B 

Error code 2-1 

Com issue Ethernet and Cresnet 

Error code 2-2 

POE low voltage 

Error code 2-3 

EXT 24V low voltage 

Error code 3-1 

Overload NET A 

Error code 3-2 

Overload NET B 

Error code 3-3 

Overload NET A and NET B 

 

MSG LED Feedback

SETUP Button

Press the SETUP button to enter Autodiscovery mode via Ethernet.

RESET Button

Press the RESET button to perform a hardware reset.

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