Allied Telesis AT-S68 - Manual (Page 20)

Port Configuration
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Possible Flow Control settings are Enable and Disabled. The
default setting is Enabled.
3 - AutoNegotiation
You use this parameter to configure the port for Auto-negotiation
or to manually set the port’s speed and duplex mode. If you select
Enabled, which is the default, the switch will set both the speed
and duplex mode for the port automatically. If you select Disable,
two additional parameters are displayed in the Port Configuration
Menu:
4 - Speed ....... 10 MB
5 - Duplex ......Half Duplex
You use these two parameters to set the port’s speed and duplex
mode.
The possible setting for 4 - Speed are:
10 - indicates the port is operating at 10 Mbps.
100 - indicates the port is operating at 100 Mbps
The possible settings for 5 - Duplex are half-duplex and full-
duplex.
5. Once you have set the port parameters, type S to select Save Port
Configuration.
You will be returned to the Port Menu.
The port configurations have been set. To configure additional ports
repeat this procedure.