AFi MRM-300S Instruction Manual Download Page 3

 

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INSTALLATION 

THIS INSTALLATION SHOULD BE MADE BY A QUALIFIED SERVICE PERSON AND 
SHOULD CONFORM TO THE NATIONAL ELECTRICAL CODE, ANSI/NFPA 70 AND 
LOCAL CODES. 
 
Mount the unit to a secure surface using #8 (3mm) hardware in four places. See the 
drawing at the bottom of this page for mounting dimensions. Be sure to allow sufficient 
room for the required minimum bend radius of the fiber cable used. 
 

POWER SOURCE 

THIS PRODUCT SHALL BE POWERED BY A LISTED CLASS 2 POWER SUPPLY 
ONLY. 

 

The unit requires a +12VDC power source for proper operation. The DC input is diode 
protected. Current draw is approximately 100mA maximum. In the USA and in Canada 
an American Fibertek PS-12 is supplied with this unit. The negative side of the power 
input is directly connected to ground. ANSI/NFPA 70 Class 2 wiring is recommended. 

 
POWER CONNECTION 

Power is supplied to the unit via a two pin terminal connector. Follow label on unit for 
proper orientation of +12 volt dc and ground. 

 
INPUT / OUTPUT CONNECTIONS 

The fiber optic connection is made via a ST connector located on the right side of the 
unit.  
 
The video output connection is made via a BNC connector on the left side of the unit. 
The 75

 video output can be looped through typical baseband video inputs of switchers, 

recorders and other equipment as required. For proper operation, the output must be 
terminated with 75

. For optimum performance the video cables should be the shortest 

length of coax practical. 
 

 
 
 
 
 
 
 
 
 
 
 
 

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