User's Manual

Figure 1-4 Typical DME Shelter and Tower Grounding Diagram
1.5.8 DME Cabinet Installation
a. Unpack the DME 19” rack system and stand upright inside the equipment shelter.
b. The rack can be located on an outside wall or in the center of the room; however the ventilation
louvers located on the left side of the cabinet must not be obstructed.
c. To level the rack use the adjustable feet then lock the feet positions using the jam nuts.
d. If desired the front and rear doors can easily be removed by sliding up the three hinge pins on the left
inside edge of each door. If the doors are removed be sure to replace them after installation.
e. Use #6 grounding wire provided in the AC Power/Installation Kit (Figure Error! Reference source
not found.) to connect from the DME grounding bus bar to the shelter grounding plate using the
shortest path possible.
NOTE: Do not install any modules in the rack until it is properly grounded.
1.5.9 Battery Backup Assembly Installation
a. Insure DME system AC and DC circuit breakers are in the OFF position.
b. Construct battery backup unit as detailed in Figure Error! Reference source not found. or per the
drawing provided with supplied battery backup kit.
c. Install the four twelve-volt batteries and connect batteries in series.