The protection earth ground cable for a PDP has been connected with the PE terminal before
delivery of the PDP; you only need to connect the other end of the cable to the earth ground point
on the top of a cabinet on site.
Instruction
15
To the power supply
device in the
equipment room
To the earth ground
bar in the equipment
room
Connect the cabinet earth ground cable to the
earth ground bar in the equipment room.
1
Lead the -48 V and 0 V power cables into the cabinet.
2
M6 screw
Earth ground point
on the cabinet top
Captive
screw
M3
M5/M6
Screw/bolt
Socket
wrench
Cross
screwdriver
Protection
earth ground
cable
0 V power
cable
-48 V power
cable
PDP protection
earth ground cable
Remove the front panel of the PDP.
3
Connect the cabinet power cables to the PDP
and the external power supply respectively.
The terminals on the PDP from left to right are
-48V_A, 0V_A, 0V_B, PE and -48V_B
respectively.
4
M3
To the external -48 V
DC power
Processing External Power Cables
“
Cut-Wrap-Crimp-Insulate
”
Wrap the bare end of the cable with an insulating tape to
prevent short circuit during cable layout.
2
1
Measure a power cable and cut an appropriate length
of it as needed with a wire clipper on site.
Insulate the terminal with an insulating tape or a heat-
shrinkable tube.
4
3
After leading the cable to the desired position, remove the
insulating tape, strip the cable end with stripping pliers,
install a copper terminal onto the cable end, and crimp it
with hydraulic pliers.
1
2
3
4
Insulating
tape/heat-
shrinkable
tube
Hydraulic
pliers
Copper
terminal
M6 screw
M5 screw
M6 bolt
To the cabinet-top
earth ground point
PDP protection
earth ground
cable
To the external
0 V power
ground
To the external
-48 V DC power
