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Catalyst 3850 Switch Hardware Installation Guide
OL-26779-02
Chapter 1 Product Overview
Front Panel
USB Console LED
The USB console LED (Figure 1-4) shows whether there is an active USB connection to the port.
S-PWR LED
PoE+
1
Off PoE+ is off.
If the powered device is receiving power from an AC power source,
the port LED is off even if the device is connected to the switch port.
Green PoE+ is on. The port LED is green when the switch port is providing
power.
Alternating
green and
amber
PoE+ is denied because providing power to the powered device will
exceed the switch power capacity.
Blinking amber PoE+ is off due to a fault or because it has exceeded a limit set in
the switch software.
Caution PoE+ faults occur when noncompliant cabling or
powered devices are connected to a PoE+ port. Use only
standard-compliant cabling to connect Cisco prestandard
IP Phones and wireless access points or
IEEE 802.3af-compliant devices to PoE+ ports. You
must remove from the network any cable or device that
causes a PoE+ fault.
Amber PoE+ for the port has been disabled.
Note PoE+ is enabled by default.
1. Only switches with PoE or PoE+ ports.
Table 1-6 Meaning of Switch LED Colors in Different Modes (continued)
Port Mode Port LED Color Meaning
Table 1-7 USB Console Port LED
Color Description
Off USB console is disabled.
Green USB console is enabled.
Table 1-8 S-PWR LED
Color Description
Off StackPower cable is not connected, or the switch is in standalone
mode.
Green Each StackPower port is connected to another switch.
