Testing Twisted-Pair Cabling; Testing End-To-End Network Communications; Customer Support Services - HP J3245A Installation And Configuration Manual

Troubleshooting

Customer Support Services

Testing Twisted-Pair Cabling

The twisted-pair cable attached to the switch and used for 100Base-T connec-
tions must be compatible with the IEEE 802.3u 100Base-TX standard for
Catalog 3 cable. Twisted-pair cable attached to the switch and used for 10Base-
T connections must be compatible with the IEEE 802.3 10Base-T standard. To
verify that your cable is compatible with this standard, use a qualified cable
test device. HP also offers a wire testing service. Contact your HP-authorized
LAN dealer or your local HP sales office for more information.

Testing End-to-End Network Communications

Both the switch and the cabling can be tested by running an end-to-end
communications test — a test that sends known data from one network device
to another through the switch — such that you can verify that the data was
correctly transmitted between the devices. For example, if you have two PCs
on the network that have HP LAN adapter cards, you can use the "Link Test"
option from the card's test program to verify the entire communication path
between the two PCs.
See your LAN adapter card's manual for information on running an end-to-end
communication test.
Customer Support Services
Hewlett-Packard offers switch support 24 hours a day, seven days a week
through the use of automated electronic services including:
These services are described on the card at the front of this manual.
Your reseller can also provide you with assistance, both with services that
they offer and with services offered by Hewlett-Packard.
9-8
World Wide Web
Hewlett-Packard FTP Library Service on the Internet
CompuServ
Hewlett-Packard BBS
HP FIRST FAX Retrieval Service
HP Network Phone-In Support (NPS)