7
T
ROUBLESHOOTING
FOR
W
INDOWS
3.
X
Checklist 101
Diagnostic Testing Under Windows 3.x 101
Starting the DOS Configuration and Diagnostics
Program 102
Running the Group 1 Tests 103
Running the Group 2 Test 103
Assembling a Loopback Plug 103
Starting the Group 2 Test 104
Running the Group 3 Test 104
Setting Up an Echo Server 105
Starting the Group 3 Test 106
Getting Help If a Test Fails 106
A
S
PECIFICATIONS
NIC Specifications 107
RJ-45 Connector Pin Assignments 108
AUI Connector Pin Assignments 108
Cable Specifications 109
B
C
ROSSOVER
C
ABLE
T
ROUBLESHOOTING
T
IPS
Troubleshooting Hubs with Crossover Cable 112
C
T
ECHNICAL
S
UPPORT
Online Technical Services 113
World Wide Web Site 113
3Com Knowledgebase Web Services 114
3Com FTP Site 114
3Com Bulletin Board Service 114
Access by Analog Modem 114
Access by Digital Modem 115
3Com Facts Automated Fax Service 115
Support from Your Network Supplier 115
Support from 3Com 116
Returning Products for Repair 117
Book Page 6 Monday, June 7, 1999 8:55 AM
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