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DIR21P

   

DIR21P Digital Infrared Receiver Specifications: 

 

Specifications

 

Infrared carrier frequency:   30-60kHz 

Indoor reception range:  

150 feet + (45 ) 

Outdoor reception range:   35-50 feet (10-15 meters) 

Nominal reception angle:   50 degrees off axis 
Wire requirements:   

three conductor, minimum 24 

  

 

 

 

Gauge to 200’, 22 gauge up to 500’  
20 gauge to 1000’ 

Power requirements:  

 Unregulated 12VDC, 40mA 

Dimensions:    

 

1-3/4" x 4" x 1"  
(45mm x 102mm x 26mm)

 

 
Requires 12VDC power supply and emitter. 

 

 

 

 

 

Digital Infrared Receiver  

Installation Instructions 

v1.1

 

 

Warning

: To be installed and/or used in accordance with 

appropriate electrical codes and regulations.  
 

Introduction:

 Thank you for your purchase of a Knoll 

DIR21P digital infrared receiver. This receiver features a long 
indoor usable range and it can be used in direct sunlight and 

near plasma and other TV’s. It is designed to act as a remote 
receiver of remote control signals that when passed through a 

connection module and emitters, relays remote infrared 
commands to equipment in a distant room. It is very similar to 
the DIR21 with an added internal processor, so a connection 

block is not needed. A single or dual emitter can be connected 
to the DIR21P 

 

 

 

Features: 

 

  

 

• 

Inwall junction box design, 

available in white, ivory, almond 
and black colors. 

Warranty

 

 

System

 power

on LED

    IR

Receiver

  Blue

talkback

   LED

Knoll Systems warrants its products sold in the USA and Canada by authorized 
Knoll dealers to be free of defects in materials and workmanship. This warranty 
extends for three full years from the date of purchase by the original consumer. 
Any products returned to Knoll Systems and found to be defective by Knoll 
Systems within the warranty period will be repaired or replaced at Knoll Systems 
option, at no charge. Knoll Systems will not be responsible for the actual cost of 
installation or removal of the product, nor for any incidental or consequential 
damages. Some states do not allow the exclusion or limitation of incidental or 
consequential damages, so the above limitation may not apply to you.  This 
warranty gives you specific legal rights.  You may have additional legal rights 
that vary from state to state. 

 

• 

Digital processor included for 
direct hook up to emitters 

without a connection block. 

 

• 

Will relay almost all remote 
control types (except some  

mod

B & O and Pioneer Elite 

• 

els). 

 

Wire run can be 1000’ (300m) 

 

ery little power. 

 

 

 
 

or more 

 

Requires v

 
 

 

Suggest using Knoll PS1202 12 vdc.  

 

Knoll Systems www.knollsystems.com   

145 Tyee Drive Point Roberts, WA 98281 
12140 Horseshoe Way Richmond BC V7A 4V4 

 

tel (604) 272 4555, fax (604) 272 5595 

Made in Canada   Knoll Systems All Rights Reserved 

 

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