Extreme x250e-24t Installation Instruction
Installing Summit External Power Supplies
Summit Family Switches Hardware Installation Guide
140
7
Energize the DC circuit.
The Power LED on the front of the EPS-150DC unit turns solid green to indicate that it is ready.
shows the LED meanings for the power supply.
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.
EPS-150DC unit.
WARNING!
Removing the DC wiring harness from your facilities DC source voltage requires the performance of a qualified,
licensed electrician.
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.
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.
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.
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.
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.
EPS-T tray, and slide the EPS-150 unit out of the tray.
Installing an EPS-600LS External Power Module
You install one, two, or three EPS-600LS power modules (model 10913) in the EPS-C chassis (Model No.
10912) to build an external redundant power system for a Summit PoE-capable switch. A redundant
power cable shipped with the EPS-C chassis provides the connection between the external power
system and the redundant power input connector on the back of the switch.
10912) to build an external redundant power system for a Summit PoE-capable switch. A redundant
power cable shipped with the EPS-C chassis provides the connection between the external power
system and the redundant power input connector on the back of the switch.
Table 23: LED Meanings on the EPS-150DC Power Supply
Power LED
Indicates
Green, solid
The external power module is operating normally.
Off
The external power module is not connected.