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© Copyright Lenovo 2017
To Connect:
1.Turn OFF all power sources and
equipment that is to be attached to
this product.
2.Attach signal cables to the
product.
3.Attach power cords to the
product.
For ac systems, use appliance
inlets.
For dc systems, ensure correct
polarity of ‐48 V dc connections:
RTN is + and ‐48 V dc is ‐. Earth
ground should use a two‐hole
lug for safety.
4.Attach signal cables to other
devices.
5.Connect power cords to their
sources.
6.Turn ON all the power sources.
To Disconnect:
1.Turn OFF all power sources and
equipment that is to be attached to
this product.
For ac systems, remove all power
cords from the chassis power
receptacles or interrupt power at
the ac power distribution unit.
For dc systems, disconnect dc
power sources at the breaker
panel or by turning off the power
source. Then, remove the dc
cables.
2.Remove the signal cables from
the connectors.
3.Remove all cables from the
devices.
Chapter 4: Removing and Replacing Components
63
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