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Communication  
Systems Inc.

 

PDI-750 Individual Power Supply 

Page 1 of 2 

Better Solutions Are Within Reach™ 

INSTALLATION INSTRUCTIONS 

 

PDI Communication Systems, Inc.     40 Greenwood Lane     Springboro, Ohio 45066 USA     PH +1-937-743-6010     FX +1-937 -743-5664  

 

PD196-026  Rev 4 

CAUTION 

 

This symbol indicates that dangerous voltage 
constituting a risk of electric shock is present 
within this unit. 

 

RISK OF ELECTRIC SHOCK, 

DO

 

NOT OPEN!

 

 

 

This symbol indicates that there are important 
operating and maintenance instructions in the 
literature accompanying this unit. 

 

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT 

REMOVE COVER.  NO USER SERVICEABLE PARTS INSIDE.  REFER 

SERVICING TO QUALIFIED SERVICE PERSONNEL 

 

THIS INSTALLATION SHOULD BE MADE BY A QUALIFIED SERVICE PERSON AND SHOULD CONFORM TO ALL LOCAL 
CODES.  READ AND FOLLOW THE SAFETY INSTRUCTIONS BEFORE ATTEMPTING THIS INSTALLATION. 

 

NOTE to CATV system installer

:  This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the NEC 

that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding 
system of the building, as close to the point of cable entry as prac tical. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

1. 

LOCATION

 – Locate a mounting position for the power supply near the suspension arm and an AC wall outlet.  Please 

note that the supply mounts with the AC line cord pointed down. 

2. 

MOUNTING TEMPLATE

 – Position the mounting template on the desired wall location.  Mark the mounting hole 

locations.  

3. 

HARDWARE REQUIRMENTS – 

Use the following hardware for mounting the 750A or 750DC.  Hardware is NOT 

supplied with the wall bracket. 

DRY WALL – Use two ¼” – 20 toggle bolts (not supplied). 
MASONARY WALL – Use two ¼” – 20 cement anchors (not supplied). 

Install the proper wall anchor.  Thread both bolts into the wall until approximately ½” of the bolt remains exposed. 

4. 

REMOVE COVER – 

Remove two screws from the face of the supply at each corner.  Save screws.  Loosen two screws 

on the connector area.  Left and separate the cover from the back enclosure.  NOTE: the guts of the actual power supply 
are mounted to the cover.

 

5. 

MOUNT ENCLOSURE

 – Position exposed bolt heads through the enclosure keyholes.  Make certain the enclosure seats 

properly in each keyhole.  It may be necessary to alternately remove the enclosure and tighten or loosen each bolt to 
bring the supply snug against the wall.  Tighten both mounting bolts. 

 

6. 

REPLACE COVER – 

Mate the cover to the mounted enclosure making sure the bottom screws seat in the cover .  Insert 

and tighten the two screws located in the f ace of the supply at the top corner.  Tighten the bottom screws.

 

7. 

CONNECTIONS – 

Attach coaxial cable from TV to “F” fitting marked “RF/AC OUT” (PDI-750A) or “RF/DC OUT” (PDI-

750DC).

  

Attach coaxial cable from Master Antenna TV system to “F” fitting marked “RF IN”.

 

8. 

POWER – 

Plug AC line cord into 120 VAC outlet. 

 

GUIDELINES 

RF IN 

RF/AC OUT  
RF/DC OUT 

Fuse version shown for 
reference only, instructions 
apply to circuit breaker 
versions as well. 

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