3Com DUA1860-0AAA01 Network Hardware User Manual


 
6
P
ROBLEM
S
OLVING
Spot Checks 6-2
Using The LEDs For Fault Diagnosis 6-3
Correcting Problems 6-4
Network Problems 6-4
PING Or Telnet Problems 6-4
Port Problems 6-5
Performance Problems 6-5
Collision Problems 6-6
STAP Problems 6-6
Filter Problems 6-6
SNMP Problems 6-7
Operation Problems 6-7
Removing And Replacing Equipment 6-8
Spares 6-9
What To Do Next 6-10
A
L
INK
S
ETTINGS
B
T
ECHNICAL
I
NFORMATION
Electrical B-1
Safety B-1
EMC B-1
Environmental B-1
Reliability B-1
MIB B-2
C
T
ECHNICAL
S
UPPORT
On-line Technical Services C-1
3Com Bulletin Board Service (3ComBBS) C-1
Ask3Com on CompuServe C-2
3ComFacts Automated Fax Service C-2
3Com Documentation on CD-ROM C-3
Support from Your Network Supplier C-4
Support from 3Com C-4
Returning Products for Repair C-5