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A.3 Auto-negotiation Function
The adapter is equipped with an auto-negotiation function. Auto-ne-
gotiation is a negotiation procedure between two connected devices.
Both devices must be auto-negotiation capable. The procedure de-
cides the best operation modes that can be used for the data transfer
operation between two connected devices. The operation modes in-
cludes connection speeds and duplex modes as follows:
Connection speed : 10Mbps or 100Mbps
Duplex mode : half-duplex or full-duplex
Operating at full duplex can increase the network bandwidth to up to
20 Mbps or depending on the connection speed 200 Mbps.
The following table describes how the adapter decides the operation
modes when it connects to :
An auto-negotiation device
Speed:
Duplex: via auto-negotiation
A non-auto-negotiation device
Speed:
Duplex: half-duplex as default (*)
* The default could be overwritten by configuration setting or
keyword setting of each individual network driver when the
driver is loaded.
via auto-negotiation
auto-sense the connection speed
20
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