DGS-3700-12/DGS-3700-12G Series Layer 2 Gigabit Ethernet User Manual
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Use the remaining pull-down menus to configure the parameters described below:
Figure 2- 12 Port Settings window
The following parameters can be configured:
Parameter Description
From Port /To Port
Use the pull-down menus to select the port or range of ports to be configured.
State
Toggle this field to either enable or disable a given port or group of ports.
Speed/Duplex
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, 1000M/Full_S and 1000M/Full.
There is no automatic adjustment of port settings with any option other than Auto.
The Switch allows the user to configure two types of gigabit connections; 1000M/Full_M and
1000M/Full_S. Gigabit connections only support 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)
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.
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