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Index
IN-2
Cisco Catalyst 4900M Switch Installation Guide
78-18350-01
FAN OK LED
checking
3-25
fan tray
cooling
1-11
failure
1-12
status LED
1-11
FRUs
fan assemblies
3-25 to 3-27
power supplies
3-23 to 3-25
G
GOOD LEDs
checking
3-25
grounding requirement, DC systems
2-4
H
hardware description
power supply
1-12
heat dissipation
determining
2-4
hot swapping
fan assemblies
3-25
I
installing
fan assemblies
3-25 to 3-27
power supplies
3-24 to 3-25
installing the switch
guidelines
3-2
lifting
3-4
procedure
3-6
safety overview
2-5
tools required
3-5
troubleshooting
4-1
L
label, chassis serial number
4-6
LEDs
locations
1-9
meanings
1-10
power supply
4-3
M
management port pinout
A-2
memory
A-3
P
pinout
management port
A-2
port status LED
1-11
power
connecting
3-11, 3-13