Installation Guide

Table Of Contents
The PoE capability of the Summit X250e-48p varies depending on the number of external power
modules in use. The following table summarizes the PoE power behavior for the Summit X250e-48p
switch based on the number of power supply modules in use.
Internal
Power Supply
Status
EPS-600LS (1x) EPS-600LS (2x) EPS-600LS (3x) External Power
Supply/Chassis
Failed/Disconnected
Internal
power supply:
Power on
370 W of
redundant power
740 W of external
power only; internal
power supply
disabled
740 W of external
power only with 2:1
redundancy; internal
power supply
disabled
370 W of internal
power only
Internal
power supply:
Power Failure
370 W of
external power
only
740 W of external
power only
740 W of external
power only with 2:1
redundancy
No PoE power
For specifications and installation instructions for the external power module, see EPS-600LS External
Power Module on page 170.
Summit X250e Series Switch LEDs
The following sections describe the meanings of the LEDs on Summit X250e switches.
LEDs on the Summit X250e Series Switches
Table 7: Front Panel
Label or Type Color/State Meaning
MGMT Blinking green (fast) Power-on self-test (POST) in progress
Steady green POST passed. System is booting image.
Blinking green (slow) Normal operation.
Blinking amber Switch diagnostics are running.
or
System is disabled. POST failed or system overheated.
O No external power attached
FAN Steady green Normal operation
Blinking amber Fan failure. Switch will continue to operate unless it
overheats.
O No power
PSU-I
(Internal power
supply)
Steady green Normal operation
Blinking amber Failure
O No power
PSU-E
(External
power supply)
Steady green Normal operation
Blinking amber Failure
O No external power attached
Summit Switches Summit X250e Series Switch LEDs
Summit Family Hardware Installation Guide 43