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Summit Family Switches Hardware Installation Guide
179
Connecting the EPS-LD to the Switch
CAUTION
Do not attach the AC power cord to the EPS-LD unit until the unit is properly grounded at the electrical outlet and
the redundant power supply cord is connected.
One end of the EPS-LD cord has a keyed connector to ensure correct alignment of the connector
(Figure 151). The key is a plastic tab on the cord connector housing that fits into the EPS-LD unit to
ensure correct alignment of the connector.
Figure 151: EPS-LD Connector with Key
To connect the EPS-LD to the switch:
1 Connect the keyed end of the cord to the power supply unit (see Figure 152).
2 Align and tighten the captive retaining screws on the connector.
3 Connect the other end of the EPS-LD cord to the Extreme switch.
The connector fits in only one direction.
NOTE
If your switch was shipped with a metal cover plate over the redundant power input connector, remove the cover.
WARNING!
The redundant power input connector on the rear of the switch contains high energy and is a burn hazard. Use
care when connecting the redundant power supply cord to the rear of the switch.
Figure 152: Connecting an EPS-LD Unit to a Switch
Collin's
ES4K027
XM_055
Collin's
ES4K021A
XM 053
Slot for key
Keyed end of
redundant power cable
To AC
To AC
Extreme switch
EPS-LD
Redundant
power cable