D-Link DFE-670TXD User Manual - Page 8

the DFE-670TXD will simply switch to the one of its own - software

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About Autonegotiation continued Startup communication between the two devices occurs when both devices are operating, the cable connection between them is good, and the connected notebook PC's network software is loaded. As soon as those conditions are satisfied, the preparatory process of auto-negotiation between the DFE-670TXD and its supporting device begins and proceeds automatically. If the supporting switch or hub has autonegotiation functionality, then it and the DFE-670TXD exchange a series of messages in which each device signals its capabilities and listens for corresponding information about the other. The auto-negotiation process requires only a few milliseconds, and the two devices select the best communication parameters supported by both devices. If the supporting device does not have autonegotiation functionality, then its monotone (single capability) message will be recognized by the DFE-670TXD's autonegotiation facility, and the DFE-670TXD will simply switch to the one of its own capabilities which matches that of the supporting device. Once the auto-negotiation is completed, the line is ready, and it will provide an optimal data channel between the DFE670TXD and the supporting device. The line will remain ready without further auto-negotiation action until the link is broken. Auto-negotiation then reoccurs at any time that the link is restored, again making the line ready for optimal data communications. 3

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About Autonegotiation
continued
Startup communication between the two devices occurs when
both devices are operating, the cable connection between
them is good, and the connected notebook PC's network soft-
ware is loaded.
As soon as those conditions are satisfied,
the preparatory process of auto-negotiation between the
DFE-670TXD and its supporting device begins and proceeds
automatically.
If the supporting switch or hub has autonegotiation functional-
ity, then it and the DFE-670TXD exchange a series of
messages in which each device signals its capabilities and
listens for corresponding information about the other.
The
auto-negotiation process requires only a few milliseconds,
and the two devices select the best communication parame-
ters supported by both devices.
If the supporting device does not have autonegotiation func-
tionality, then its monotone (single capability) message will be
recognized by the DFE-670TXD's autonegotiation facility, and
the DFE-670TXD will simply switch to the one of its own
capabilities which matches that of the supporting device.
Once the auto-negotiation is completed, the line is ready, and
it will provide an optimal data channel between the DFE-
670TXD and the supporting device.
The line will remain
ready without further auto-negotiation action until the link is
broken.
Auto-negotiation then reoccurs at any time that the
link is restored, again making the line ready for optimal data
communications.
3