Installation Guidelines - Cisco Catalyst 3850 Hardware Installation Manual

Installation Guidelines

5
If no power supply is installed in a power supply slot, install a power supply slot cover.
Figure 49: Power Supply Slot Cover
1
Table 27: Switch Power Supply Module LEDs
AC OK
DC OK
Off
Green
Installation Guidelines
Observe these guidelines when removing or installing a power supply or fan module:
• Do not force the power supply or fan module into the slot. This can damage the pins on the switch if they
• A power supply that is only partially connected to the switch can disrupt the system operation.
• Remove power from the power-supply module before removing or installing the module.
• The power supply is hot-swappable. In some configurations, such as full PoE+ or power sharing mode,
Catalyst 3850 Switch Hardware Installation Guide
72
Input power terminals
(negative polarity)
Release handles
Description
No AC input power.
No DC input power.
AC input power present.
DC input power present.
are not aligned with the module.
removing a power supply causes powered devices to shut down until the power budget matches the input
power of a single power supply. To minimize network interruption, hot swap the power supply under
these circumstances:
• The switch is in StackPower mode and sufficient power is available.
• The switch is powered by other switches in a power stack, and no active backup is in progress.
10 Keying feature
2 Retainer clips
PS OK Description
Off Output is disabled, or input is outside
operating range (AC LED is off).
Output is disabled, or input is outside
operating range (DC LED is off).
Green Power output to switch active.
Red Output has failed.
Power Supply Installation
OL-26779-05