Installation Guide

The rear panel of the Summit X670-48x switch includes:
• Slot for a VIM4-40G4X versatile interface module (see #unique_174).
• Three replaceable fan modules.
• Two power supply bays for either AC or DC power supplies (see Summit 450 W AC and DC Power
Supplies on page 188 and Summit 550 W AC and DC Power Supplies on page 188).
Slot for VIM4
versatile interface module
Fan trays
Two power supply
(PSU) slots
Figure 153: Summit X670V-48x Rear Panel
Summit X670 Series Switch LEDs
The following sections describe the meanings of the LEDs on the Summit X670 and X670V series
switches.
Table 54: Front Panel LEDs
Label or Type Color/State Meaning
MGT (Management) Fast blinking green (2 Hz) Power-on self test (POST) in progress.
Steady green POST passed. System is booting image.
Slow blinking green (1 Hz) Normal operation
Blinking amber Switch diagnostics are running.
or
System is disabled. Post failed or system
overheated.
O No external power is attached.
FAN
1, 2, 3
Steady green Normal operation.
Blinking amber Failure.
O No power.
P1, P2
(Power Supply)
Steady green Normal operation.
Steady amber Power is attached, but no power is on.
Blinking amber Power failure.
O No power is attached.
Stack 1 – 4 Steady green Link OK on the indicated stacking port.
Blinking green Activity on the indicated stacking port.
Summit X670 Series Switch LEDs Summit Switches
148 Summit Family Hardware Installation Guide