Solving Problems Indicated By Leds; Solving Problems That Occur When Using The Web Interface - IBM 8271 Nways F12 User Manual

8-2 C 8: P
HAPTER ROBLEM
Solving Problems
Indicated by LEDs
Solving Problems
That Occur When
Using the Web
Interface
S
OLVING
A Power LED does not light. Check that the power cable is firmly
connected to the relevant Switch unit and to the supply outlet. If the
connection is secure and there is still no power, you may have a faulty
power cord.
On powering-up, a Power/Self Test LED lights yellow. The relevant
Switch unit has failed its Power On Self Test (POST) because of an
internal problem. Contact your supplier for advice.
An Expansion Module Port Status LED flashes yellow. An
unrecognized Expansion Module or Matrix Module is installed into the
relevant Switch unit. You may need to remove the Module, or upgrade
the management agent software used by the stack to a version that
recognizes the Module (see "Upgrading the Management Software of
the Stack" on page 4-35 or page 5-18). Contact your supplier for
further advice.
A link is connected and yet the Status LED for the port does not
light. Check that:
All connections are secure
The devices at both ends of the link are powered-up
The connection uses cross-over cable if you are linking a 10BASE-T
or 100BASE-TX port with a device that is MDIX-only
The Web browser cannot access the stack. Check that:
The IP information for the stack is correctly configured. See "Setting
Up IP Information for the Switch" on page 4-15 or "Specifying IP
and SLIP Information" on page 5-9 for more information.
If you are managing the stack over the network, remote access to
the management software of the stack is enabled. For more
information, see "Enabling and Disabling Remote Access to the
Stack" on page 5-16.
The Web browser cannot access the stack over a serial link from
a management station running Windows 95. You must access the
stack using the Serial Interface Utility (SLIP Driver) available on the
CD-ROM supplied with the Switch; see "Using the Serial Web Utility"
on page B-1.