Cisco Catalyst 6840 Series User Manual

Table 11: Power Supply LED Indicators
FAIL LED (Amber)OK LED (Green)AC Power Supply Condition
OffOffNo AC power to the power
supplies.
ONOffPower supply failure,
including over voltage, over
current, over temperature, and
fan failure conditions.
BlinkingOffPower supply needs attention,
activated for events like high
temperature, high power or
slow fan.
OffBlinkingInput AC is present, 3.3
voltage standby (VSB) is on
and the power supply unit is
switched off.
OffOnPower supply is on and
operates normally.
Rear Panel
Figure 11: Rear Panel
Fan trays1
Catalyst 6840-X Switch Series Hardware Installation Guide
19
Product Overview
Rear Panel

Cisco Catalyst 6840 Series Specifications

General

Brand	Cisco
Model	Catalyst 6840 Series
Category	Switch
Language	English