DES-3010F/DES-3010FL/DES-3010G/DES-3018/DES-3026 Fast Ethernet Switch Manual
Parameter Description
State <Enabled>
Toggle the State <Enabled> field to either enable or disable a given port or group
of ports.
Speed/Duplex <Auto>
Toggle the Speed/Duplex field to either select the speed and duplex/half-duplex
state of the port. Auto denotes auto-negotiation between 10 and 100 Mbps
devices, in full- or half-duplex. The Auto setting allows the port to automatically
determine the fastest settings the device the port is connected to can handle, and
then to use those settings. The other options are Auto, 10M/Half, 10M/Full,
100M/Half and 100M/Full, 1000M/Full_M and 1000M/Full_S. There is no
automatic adjustment of port settings with any option other than Auto.
The Switch allows the user to configure three types of gigabit connections;
1000M/Full, 1000M/Full_M and 1000M/Full_S. Gigabit connections are only
supported in full duplex connections and take on certain characteristics that are
different from the other choices listed.
The 1000M/Full_M (master) and 1000M/Full_S (slave) parameters refer to
connections running a 1000BASE-T cable for connection between the Switch port
and other device capable of a gigabit connection. The master setting
(1000M/Full_M) will allow the port to advertise capabilities related to duplex,
speed and physical layer type. The master setting will also determine the master
and slave relationship between the two connected physical layers. This
relationship is necessary for establishing the timing control between the two
physical layers. The timing control is set on a master physical layer by a local
source. The slave setting (1000M/Full_S) uses loop timing, where the timing
comes form a data stream received from the master. If one connection is set for
1000M/Full_M, the other side of the connection must be set for 1000M/Full_S.
Any other configuration will result in a link down status for both ports.
Fiber optic ports are statically set and unchangeable at 1000Mbps in Full-Duplex.
The user may configure these ports to be Auto or 1000M/Full.
Flow Control
Displays the flow control scheme used for the various port configurations. Ports
configured for full-duplex use 802.3x flow control, half-duplex ports use
backpressure flow control, and Auto ports use an automatic selection of the two.
The default is Disabled.
Click Apply to implement the new settings on the Switch.
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