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HP 100Base-T Hub 8 Installation and Reference Guide
Use the diagnostic procedures described in the following section to verify
that all other system components are functioning properly. If you still
cannot resolve the problem, contact your HP-authorized dealer or reseller.
System Diagnostics
Installation
Verify that all system components have been properly installed. If one or
more components appear to be malfunctioning (e.g., the power cord or
network cabling), test them in an alternate environment where you are sure
that all the other components are functioning properly.
Cabling
1. Verify that the cabling type is correct. Be sure all cable connectors are
securely seated in the required ports. Use 100Ω Category 5 straight-
through cable for all standard twisted-pair connections.
2. Make sure all devices are connected to the network. Equipment may
have been unintentionally disconnected from the network.
3. When cascading two devices using RJ-45 ports at both ends of the cable
(i.e., not the MDI port), make sure a crossover cable is used. A cross-
over cable should only be used if a cascade port is not available.
LAN Adapters
Make sure the network interface hardware and software drivers for the
attached devices are functioning properly and are 100Base-T. Check the
LAN adapters and associated drivers used in any attached workstation or
server.
Physical Configuration
If problems occur after altering the network configuration, restore the
original connections, then try to track the problem down by implementing
the new changes, one step at a time. Ensure that cable distances and other
physical aspects of the installation do not exceed 100Base-T specifications.
A-2
Troubleshooting
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