Removing An Eps-150Dc Power Module - Extreme Networks Summit X450a-24tDC Hardware Installation Manual

Installing Summit External Power Supplies
Table 21: LED Meanings on the EPS-150DC Power Supply
Power LED
Green, solid
Off

Removing an EPS-150DC Power Module

WARNING!
Always be sure that the DC circuit is de-energized before disconnecting any cables and attempting to remove an
EPS-150DC unit.
WARNING!
Removing the DC wiring harness from your facilities DC source voltage requires the performance of a qualified,
licensed electrician.
To disconnect and remove an EPS-150DC unit:
1 Attach the ESD strap to your wrist and connect the metal end to the ground receptacle on the top-
right corner of the switch front panel.
2 De-energize the DC circuit.
3 Remove power from the EPS-150DC power module by unplugging the DC connector from the DC
power supply socket on the rear of the EPS-150DC unit.
Loosen the retainer nut on the DC power connector and unplug the connector from the back of the
power unit.
4 At each end of the redundant power cable, unscrew the captive retaining screws on the power
connector and disconnect the cable from the switch and the EPS-150DC unit.
5 Loosen the thumbscrews on the front of the EPS-150DC unit until they are completely free of the
EPS-T tray, and slide the EPS-150 unit out of the tray.
110
Indicates
The external power module is operating normally.
The external power module is not connected.
Summit Family Switches Hardware Installation Guide