3Com 3C16951 - Manual (Page 4)

iv
Placing Units On Top of Each Other 25
Stacking Units 26
Stacking Two Units 26
Stacking Up To Four Units 27
The Power-up Sequence 29
Connecting a Redundant Power System 29
Powering-up the Switch 1100 29
Checking for Correct Operation 29
Choosing the Correct Cables 30
Solving Problems Indicated by LEDs 31
Managing the Switch 32
A S AFETY I NFORMATION
Important Safety Information 34
L’information de Sécurité Importante 36
Wichtige Sicherheitsinformationen 38
B P
IN
-
OUTS
Null Modem Cable 39
PC-AT Serial Cable 39
Modem Cable 40
RJ45 Pin Assignments 40
C T
ECHNICAL
S
PECIFICATIONS
D T ECHNICAL S UPPORT
Online Technical Services 43
World Wide Web Site 43
3Com Knowledgebase Web Services 43
3Com FTP Site 44
3Com Bulletin Board Service 44
3Com Facts Automated Fax Service 45
Support from Your Network Supplier 45
Support from 3Com 45
Returning Products for Repair 47
16950ua.bk Page iv Thursday, April 29, 1999 1:28 PM