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CHAPTER 4: OPERATION OPERATION
MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL 4–7
4.2 Troubleshooting
4.2.1 Overview
All MultiLink Ethernet products are designed to provide reliability and consistently high
performance in all network environments. The installation of a ML2400 is a straightforward
procedure (see chapter 2 for details)
Should problems develop during installation or operation, this section is intended to help
locate, identify and correct these types of problems. Please follow the suggestions listed
below prior to contacting your supplier. However, if you are unsure of the procedures
described in this section or if the ML2400 is not performing as expected, do not attempt to
repair the unit; instead contact your supplier for assistance or contact GE Multilin.
4.2.2 Before Calling for Assistance
1. If difficulty is encountered when installing or operating the unit, refer to
chapter 2. Also ensure that the various components of the network are
interoperable.
2. Check the cables and connectors to ensure that they have been properly
connected and the cables/wires have not been crimped or in some way
impaired during installation (about 90% of network downtime can be
attributed to wiring and connector problems.)
3. If the problem is isolated to a network device other than the ML2400, it is
recommended that the problem device be replaced with a known good
device. Verify whether or not the problem is corrected. If not, go to the next
step. If the problem is corrected, the ML2400 and its associated cables are
functioning properly.
4. If the problem continues after completing the previous step, contact GE
Multilin.
4.2.3 When Calling for Assistance
Please be prepared to provide the following information:
1. A complete description of the problem, including the following: the nature and
duration of the problem, situations when the problem occurs, the components
involved in the problem, and any particular application that appears to create
the problem.
2. An accurate list of GE product model(s) involved, with serial number(s). Include
the date(s) that you purchased the products from your supplier.
3. It is useful to include other network equipment models and related hardware,
including personal computers, workstations, terminals and printers; plus, the
various network media types being used.
4. A record of changes that have been made to your network configuration prior
to the occurrence of the problem. Any changes to system administration
procedures should all be noted in this record.