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Model MRC44CB1 

 

© 2002 Xantech Corporation 

INSTALLATION INSTRUCTIONS

 

 

MODEL MRC44CB1 

MRC SERIES CONNECTING BLOCK 

 

PWR

IR IN

CONTROLLER

KEYPAD

+12V  GND  SIG

JP1

LED1

 

 
 

TABLE OF CONTENTS 

 
INTRODUCTION..................................................................................................................................................................1 

Features ..........................................................................................................................................................................1 
Specifications...................................................................................................................................................................1 

 

INSTALLATION....................................................................................................................................................................2 

Example A - Substituting A Smartpad3, Waterpad Keypad, or IR Receiver In Place Of A MRC44 Keypad ..........................2 
Example B - Substituting A Secondary Sub-Zone MRC44 Keypad With A Smartpad3, Waterpad Keypad or IR Receiver ....2 
Example C - Adding An IR Receiver To A Zone With An MRC44 Keypad...........................................................................3 
Example D - Extending The Overall Length Between MRC44 Keypads..............................................................................4 

 

TROUBLESHOOTING..........................................................................................................................................................4 

 

INTRODUCTION 
 

The 

MRC44CB1

 connecting block allows added flexibility for current 

MRC44

 system owners in regard to Keypad placement. It 

also provides for the addition of external IR Receivers and/or utilizing other 

Xantech

 IR Keypads on an existing MRC44 

system (i.e. using 

SMARTPAD3

 or 

WATERPAD Keypads

 in addition to or instead of, the standard MRC Controller Keypads).  

 

FEATURES 

•  Add external Xantech IR Receivers in conjunction with MRC44 Keypads 
•  For Retro installs requiring J-Box style keypads only, allows integration of SMARTPAD3 or WATERPAD Keypads to an 

existing MRC44 system 

•  Add outdoor Zone or Sub-Zone utilizing WATERPAD Keypad 
•  Extend maximum distance of Secondary Keypad to 600ft 
•  External Power Supply selector jumper. Enables use of external 12v supply for longer cable runs and applications requiring 

higher current capacity supplies 

•  IR Receive confirmation LED 

 
SPECIFICATIONS

 

•  1 – Three Terminal, Screw-Type connection for 

+12V

DC

, GND, 

and

 SIG

nal from Xantech IR Receivers and IR Controller 

Keypads 

•  1 – 3.5mm mini stereo “Quick Connect” 

IR IN

 input jack 

•  2.1mm coaxial power jack 
•  2 – RJ45 connectors for connection to/from MRC Controller and MRC44 Keypad 
•  Max Distance powered from MRC44 Controller: 200ft as measured from MRC44 Controller to last keypad/IR Receiver in 

line 

•  Max Distance powered fro external 782-00 PS: 600ft as measured from MRC44 Controller to last keypad/IR Receiver in 

line. 

•  Dimensions: 3-½”  W x 1” D x ¾”H 
 

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