3Com 3C509B User Manual page 7

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