Cisco WS-X4908-10GE= - 10 Gigabit EN half-card Expansion Module Installation Guide download pdf (Page 10)

Chapter 1 Product Overview

Switch Components

1-10

Cisco Catalyst 4900M Switch Installation Guide

78-18350-01

The LEDs on the front and rear panel of the Catalyst 4900M switch (see

Figure 1-5 and Figure 1-6 ) provide status information as follows:

• System LED indicates the operating state of the Catalyst 4900M switch.

• PS1 LED indicates the internal power supply status.

• PS2 LED indicates the internal power supply status.

• FAN LED indicates the fan tray status.

• A link status LED is below the 10-GB uplink ports.

A description of the LED functions is provided in Table 1-1.

Table 1-1 LED Descriptions

LED Color or State Description

System

(front)

Green

Red

Flashing

Yellow

Off

At startup, the Catalyst 4900M performs a

series of diagnostic tests:

All tests pass

A test other than an individual port test fails

System boot or diagnostic tests in progress

System is in rommon mode or a power supply

has failed

Switch is disabled

CON

(rear)

Green

Off

10/100 BASE-T console port is in link-up

state

10/100 BASE-T console port is in link-down

state or not connected

There are no blinking, red, or yellow states

for this port

MGT

(rear)

Green

Off

10/100/1000BASE-T Management port is in

link-up state

10/100/1000BASE-T Management port is in

link-down state or not connected

There are no blinking, red, or yellow states

for this port

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Cisco WS-X4908-10GE= - 10 Gigabit EN half-card Expansion Module Installation Guide Page 10

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