Quick Eagle Networks DL3800E - Manual (Page 35)

Installation 3-3
3
P
OWER
C
ABLES
A
ND
C
ONNECTIONS
The DL3800E unit can be ordered with an AC or DC power supply.
AC Power Connection
An AC power cord is supplied with the DL3800E -AC-XXX to provide 120
to 240 VAC power. The power cord receptacle is located on the rear panel
of the DL3800E-AC-XXX. For AC power, connect the AC power cord to the
DL3800E-AC-XXX, and plug into the nearest AC outlet.
DC Power Connection
The Quick Eagle Networks DL3800E Inverse Multiplexer can also be
powered by a -48 VDC power source. The DC power connection on the
DL3800E is located on the back panel. There are eight screw terminals
located on the rear panel. The two screw terminals on the far right (looking
at the rear panel) are for DC power.
Connect the -48 V wire to the screw terminal labeled —. Attach the 48 V
Return(+) wire to the screw terminal to the immediate right, labeled +.
Connect earth ground to the ground stud.
When using DC power, you will need the following:
• A tray cable which must be UL recognized 14 AWG, 3 conductors,
copper strand.
• Electrical power and control cable type TC, 600 V 90 ° C. (Alpha Wire
Company No. 45443 is an example.)
To mechanically install the DL 3800E when using DC power, perform the
following steps:
1. Place the DL3800E unit on a flat surface or in a rack.
2. Before you connect the DL3800E unit to the centralized DC power
source, strip 2.0 inches of jacket material off the tray cable and
0.5 inch of insulation off each wire.
3. Connect the -48 VDC wire to the - terminal (on the rear panel’s
terminal block, using a small flat screw driver (¼-inch blade) to
fasten the wire.