Installation guide

Installing an EPS-150DC External Power Module (with EPS-T2)
Summit Family Switches Hardware Installation Guide
95
Figure 62: EPS-150DC Redundant Power Cord with Connector Key
To connect the EPS-150DC to a switch:
1 Verify that the DC power is turned off at the source.
2 Identify the keyed end of the redundant power cable.
3 Holding the keyed connector so that the side labeled “Top” is facing up, connect the EPS-150DC
redundant power cable to the power supply unit (see Figure 63).
4 Align and tighten the connector retaining screws to secure the cable connector to the power supply
unit.
5 Connect the other end of the redundant power cord to the Extreme switch.
The connector fits the slot in only one direction.
6 Align and tighten the captive retaining screws to secure the cable connector to the switch.
Figure 63: Connecting an EPS-150DC Unit to a Switch
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.
Table 19 shows the LED meanings for the power supply.
Collin's
ES4K027
XM_055
-48 V
2.0 A Max
EPS-150DC_002B
Extreme switch
EPS-150DC
DC wiring
harness
Slot for key
To DC Power
Source
To D C
Power
Source
Keyed end of
redundant
power cord
DC wiring
harness
Redundant
power cord