Index
IN-3
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02
E
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 1-11
fan tray
color code
1-5
installing 4-11
LEDs 1-5
removal and replacement procedure 4-10
required 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
H
heat dissipation, chassis 1-7
humidity 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
