S-PWR LED
Table 8: S-PWR LED
Description
Color
StackPower cable is not connected, or the switch is in standalone mode.
Off
Each StackPower port is connected to another switch.
Green
This appears on the switch in a StackPower ring configuration that detects an open
ring or has only one StackPower cable connected.
Blinking green
There is a fault: load shedding is occurring, a StackPower cable is defective, or
an administrative action is required. See the switch software configuration guide
for information about configuring StackPower.
Amber
The StackPower budget is not sufficient to meet current power demands.
Blinking amber
ACTV LED
Table 9: ACTV LED
Description
Color
Switch is not the active switch.
Off
Switch is the active switch or a standalone switch.
Green
Switch is in stack standby mode.
Slow blinking green
An error occurred when the switch was selecting the active switch, or another type
of stack error occurred.
Amber
STACK LED
The STACK LED shows the sequence of member switches in a stack. Up to eight switches can be members
of a stack. The first eight port LEDs show the member number of a switch in a stack.
This figure shows the LEDs on the first switch, which is stack member number 1. For example, if you press
the Mode button and select Stack, the LED for port 1 blinks green. The LEDs for ports 2 and 3 are solid green,
Catalyst 3850 Switch Hardware Installation Guide
20
OL-26779-05
Product Overview
LEDs
