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Figure 3-25 Ground the device through the AC PE wire
(1)
(2)
(4)
(5)
(1) Power transformer
(3) Grounding screw
(5) PE wire
If the device is –48 VDC powered, you can ground it through the return wire (RTN) of the DC power
supply. Make sure that the RTN wire is well grounded at the DC output of the DC power cabinet.
Figure 3-26 Ground the device through the PGND of a power cabinet
(1) AC/DC power cabinet
(3) -48 V
(5) RTN
(7) Earth ground
(9) Grounding screw
The WX3010 and WX3008 do not support DC power input.
(3)
(2) AC power receptacle
(4) Three-core AC power cable
(2) –48 V busbar
(4) RTN busbar
(6) PGND busbar
(8) PGND cable
(10) DC power receptacle
3-17
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