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Инструкции и руководства
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3com
3848
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C
ONTENTS
A
BOUT
T
HIS
G
UIDE
Conventions
8
Related Documentation
9
Accessing Online Documentation
9
Documentation Comments
10
1
I
NTRODUCING
THE
S
UPER
S
TACK
3 S
WITCH
3812,
S
WITCH
3824,
AND
S
WITCH
3848
About the Switch
12
Summary of Hardware Features
12
Switch — Front View Detail
13
10BASE-T/
100BASE-TX/
1000BASE-T Ports
14
Dual Personality SFP Ports
14
Console Port
14
LEDs
15
Switch — Rear View Detail
16
Power Socket
17
Redundant Power System Socket (Switch 3848 only)
17
Default Settings
17
2
I
NSTALLING
THE
S
WITCH
Package Contents
20
Choosing a Suitable Site
20
Rack-mounting
21
Placing Units On Top of Each Other
22
The Power-up Sequence
23
Powering-up the Switch
23
Checking for Correct Operation of LEDs
23
dua1740-0aaa03.book Page 3 Thursday, December 23, 2004 9:23 PM
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