Allied Telesis AT FS708LE AT-FS708LE AT-FS708LE Guide d'installation télécharger pdf (Page 20)

Note

Since the AT-FS708LE ports operate in

Auto-Negotiate mode only, the end-nodes

connected to the AT-FS708LE must also

be configured to operate in the Auto-

Negotiate mode. If an end-node is

configured to a specific duplex in a

manual mode, it will not respond to the

Auto-Negotiate protocol from the

AT-FS708LE. (The speed is determined

from the link pulses, however, so the

speed is always detected correctly.) As a

result, the AT-FS708LE port setting will

end up at half-duplex. If the end port is

manually configured to full-duplex, there

will be a duplex mismatch and data will

be lost. If the end port is manual

configured to half-duplex, both ports will

have the speed and duplex match up

correctly.

Auto MDI/MDI-X

An RJ-45 twisted pair port on a 10 Mbps or 100

Mbps Ethernet network device can have one of

two possible wiring configurations: MDI or

MDI-X. A RJ-45 port on a PC, router, or bridge

is typically wired as MDI, while a twisted pair

port on a switch or hubs is usually MDI-X.

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Allied Telesis AT FS708LE AT-FS708LE AT-FS708LE Guide d'installation Page 20