Chapter 1: Overview
Converteon™ Line Cards
Link Test
MissingLink™
Note
For a current list of line cards for the Converteon™ Series Chassis, refer to the Allied Telesis web site or consult your authorized sales representative. For detailed descriptions of these line cards, refer to the documentation shipped with the line cards and/or the Converteon™ Media Converter Line Cards Reference Guide.
On some Converteon™ line cards, you can enable or disable the following features by configuring their DIP switches:
Link Test
MissingLink™ Mode
Smart MissingLink Mode
OAM Capabilities
The link test is a fast and easy way for you to test the connections between the converter ports and the end nodes that are connected to the ports. If a network problem occurs, you can perform a link test to determine which port is experiencing a problem, and therefore focus your troubleshooting efforts on the cable and end node where the problem resides.
The LK LED for the twisted pair port should be green, indicating that it was able to establish a link with its end nodes. If the LK LED is off, the port could not establish a link. Refer to “Troubleshooting” on page 95 for suggestions on how to remedy the problem.
For more information on how the LK LED functions, refer to Appendix A in the Converteon™ Media Converter Line Cards Reference Guide.
Performing a link test does not interfere with a converter’s ability to pass network traffic.
The MissingLink™ feature enables the ports on the media converter to pass the link status of their connections to each other. When the media converter detects a problem on one of the ports, such as the loss of connection to an end node, the media converter shuts down the connection to the other port, thus notifying the end node that the connection has been lost.
For example, if the twisted pair cable to the
28