Index

EH

electrical safety 2-9

Electromagnetic Interference. See EMI Electrostatic Discharge. See ESD

EMI, effects on chassis

2-6

environmental specifications 1-7

equipment racks

2-2

 

ESD

 

 

attaching a wrist strap to the chassis 2-11

guidelines

2-10

 

preventing

2-10

 

using a ground strap

2-10

Ethernet management port

connecting to 3-20

 

description

1-4,3-20,B-12

LED B-12

 

 

pinout table

B-12

 

F

FAN LED 1-11fan tray

color code 1-5installing 4-11LEDs 1-5

removal and replacement procedure 4-10required tools 4-10

fan tray (WS-X4993)

description 1-5

fan tray (WS-X4993-F)

description

1-5

features, chassis

1-3

front panel LEDs

1-11

G

grounding. See system ground

heat dissipation, chassis 1-7humidity 1-7

operating 1-7

humidity, effects on chassis 2-5

I

installation

 

lifting safely 3-5

list of warnings

3-2

rack-mounting

3-5 to 3-8

required tools

3-4

starting the terminal-emulation software 3-21

L

label, chassis serial number

C-4

L brackets, attaching to the chassis 3-6

LEDs

 

 

 

AC-input power supplies

A-4,A-7

DC-input power supplies

A-13

downlink ports 1-4

 

fan tray

1-5

 

 

front panel 1-11

 

power-on self-test (POST) failures 3-22

power supply

C-3

 

uplink ports

1-4

 

LINK LED

1-11

 

 

M

management port pinout B-12

N

NEBS ground

Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide

 

OL-21561-02

IN-3

 

Page 159
Image 159
Cisco Systems 4948E-F manual Esd, Link LED