Troubleshooting
Cabling
1. Verify that the cabling type is correct. Be sure all cable connectors are securely seated in the required ports. Straight-through cable should be used for all standard twisted-pair connections; and multimode cable with SC or ST type connectors should be used for fiber optic connections.
2. Make sure all devices are connected to the network. Equipment may have been unintentionally disconnected from the network.
External Adapters
Make sure the network adapter cards installed in the workstations are compatible with your network media type and are in good working condition.
tion Mode
Setting the Communica-
Be sure each port on the SwitcHub is set to the same transmission mode as the attached device; i.e., full duplex or half duplex. (Refer to
in Chapter 3 for a detailed description.)
Fast SwitcHub-2se User’s Guide
System Diagnostics
Installation
Verify that all system components have been properly installed. If one or more components appear to be malfunctioning, test them in an alternate environment where you are sure that all the other components are functioning properly.
Transmission Mode