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8
P
ROBLEM
S
OLVING
The PS Hub has been designed to aid you when detecting and solving
possible problems with your network. These problems are rarely serious,
the cause is usually a disconnected or damaged cable, or incorrect
configuration. If this chapter does not solve your problem, contact your
supplier for information on what to do next.
Perform these actions first:
■ Ensure all equipment is powered on.
■ Power each hub off, wait about 5 seconds and then power them on
so they perform a self test. The self test only takes a few seconds,
during which the Power/Self Test LED flashes.
If you have a problem using Quick Config Manager, refer to “Solving
Problems With Quick Config Manager” on page B-29
.
If you have a problem with the serial web utility, refer to “Solving
Problems With the Serial Web Utility” on page C-4
.
If you have a problem using the agent upgrade utility, refer to “Solving
Problems With the Agent Upgrade Utility” on page D-3
.
Isolating a Problem
A good way of isolating a problem is to see whether it occurs on a
particular port only. This can be done by:
■ Using a different port to see if the problem still exists.
■ Using management to view how a port has been set up. In
particular, see if the port is:
■
Partitioned because of a network loop
■
Disabled by management
■
Part of a resilient link pair
■
Performing security