Determines whether the adapter or link partner is designated as the master. The other device is designated as the slave. Changing the setting may improve link quality with certain link partners.
CAUTION: Some multi-port devices may be forced to Master Mode. If the adapter is connected to such a device and is configured to "Force Master Mode", link is not established. Forcing the adapter to master or slave setting can break link if the link partner is not configured correctly.
Note: Changing this setting may cause a momentary loss of connectivity.