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iv
Wall-mounting 25
Placing Units On Top of Each Other 27
Stacking Units 27
Stacking Two Units 27
Stacking Multiple Units 28
The Power-up Sequence 30
Connecting a Redundant Power System 30
Powering-up the Switch 1100 30
Checking for Correct Operation 30
Choosing the Correct Cables 31
Solving Problems Indicated by LEDs 32
Managing the Switch 33
A
S
AFETY
I
NFORMATION
Important Safety Information 36
L’information de Sécurité Importante 38
Wichtige Sicherheitsinformationen 40
B
P
IN
-
OUTS
Null Modem Cable 41
PC-AT Serial Cable 41
Modem Cable 42
RJ45 Pin Assignments 42
C
T
ECHNICAL
S
PECIFICATIONS
D
T
ECHNICAL
S
UPPORT
Online Technical Services 45
World Wide Web Site 45
3Com FTP Site 45
3Com Bulletin Board Service 46
3ComFacts Automated Fax Service 47
Support from Your Network Supplier 47
Support from 3Com 47
Returning Products for Repair 49
16950ua.bk Page iv Thursday, August 27, 1998 11:55 AM