A

accessory kit contents 1

airflow

Catalyst 4948E switches 3

site environment 2

within the chassis 6

altitude, operating 3

B

blank faceplate 8

brackets

cable 6

mounting 4

C

cable guide 6

Catalyst 4948E switches

airflow 3

chassis dimensions 3

environmental specifications 3

physical characteristics 3

specifications 3

checklist, site planning 9

console port

location 2, 4

pinouts 1

customer service 4

D

dimensions, chassis 3

documentation

audience 1

conventions 4

organization 1

related 2

E

electrostatic discharge (ESD) 9

EMI recommendations 3

environmental requirements 1

environmental specifications 3

F

fan assemblies

installing 22

removing 21

replacing 21

verifying installation 22

FAN OK LED

checking 21

fan tray

cooling 6

failure 7

status LED 6

FRUs

fan assemblies 21–22

power supplies 19–21

G

GOOD LEDs

checking 21

grounding requirement, DC systems 7

H

hardware description

power supply 7

heat dissipation

determining 3

heat dissipation, chassis 3

hot swapping

fan assemblies 21

humidity 3

operating 3

I

installing

fan assemblies 21–22

power supplies 20–21

installing the switch

guidelines 2

lifting 3

procedure 4

safety overview 7

tools required 4

troubleshooting 1

L

label, chassis serial number 4

LEDs

locations 5

meanings 5

power supply 2

M

management port pinout 2

O

operating temperature, chassis 3

P

physical characteristics

Catalyst 4948E 3

pinout

management port 2

port status LED 5

power

connecting 7, 9

DC grounding requirements 7

determining power requirements and heat dissipation 3

EMI recommendations 3

general requirements 2

management 8

specifications 4, 5

troubleshooting 2

warnings and cautions 2

power supplies

installing 20

replacing 20

verifying operation 21

power supply

environmental monitoring 8

LEDs 6, 2

overview 7

redundancy 7

specifications 4, 5

troubleshooting 3, 4

R

rack-mounting 2

redundancy

power supply 7

replacing

fan assemblies 22

power supplies 20–21

S

safety

ensuring safety 7

overview 7

translated safety warnings 1

screws 4

serial number, chassis 4

show system command 21

site planning

checklist 9

DC grounding requirement 7

EMI recommendations 3

environmental requirements 1

general requirements 2

overview 1

warnings and cautions 2

specifications

AC Power 4

DC Power 5

specifications, chassis 3

startup sequence 2

status LED 5

storage 3

storage temperature, chassis 3

system specifications 1

T

temperature

chassis operating 3

temperature thresholds 1

temperature, storage 3

troubleshooting

contacting customer service 4

initial boot 1

methodology 2

power supply 3, 4

startup 2

typographical conventions 4

W

warnings

translated safety warnings 1

weight, chassis 3