Cisco Systems C3850NM210G Manual De Usuario
1-13
Catalyst 3850 Switch Hardware Installation Guide
OL-26779-02
Chapter 1 Product Overview
Front Panel
USB Console LED
The USB console LED (
) 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.
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.
power.
Alternating
green and
amber
green and
amber
PoE+ is denied because providing power to the powered device will
exceed the switch power capacity.
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.
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.
mode.
Green
Each StackPower port is connected to another switch.