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Placing Units On Top of Each Other 23
The Power-up Sequence 24
Connecting a Redundant Power System 24
Powering-up the Switch 610 24
Checking for Correct Operation 24
Choosing the Correct Cables 25
Solving Problems Indicated by LEDs 25
Managing the Switch 26
A
S
AFETY
I
NFORMATION
Important Safety Information 28
L’information de Sécurité Importante 30
Wichtige Sicherheits-
informationen 32
B
P
IN
-
OUTS
Null Modem Cable 33
PC-AT Serial Cable 33
Modem Cable 34
RJ-45 Pin Assignments 34
C
T
ECHNICAL
S
PECIFICATIONS
D
T
ECHNICAL
S
UPPORT
Online Technical Services 37
World Wide Web Site 37
3Com Knowledgebase Web Services 37
3Com FTP Site 38
3Com Bulletin Board Service 38
3Com Facts Automated Fax Service 39
Support from Your Network Supplier 39
Support from 3Com 39
Returning Products for Repair 41
16954ua.book Page 4 Friday, April 30, 1999 9:39 AM