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4 Configuration DES-1210/ME Series Metro Ethernet Managed Switch User Manual
22
State: Enable or disable the state of specified ports.
Speed: Gigabit Fiber connections can operate in 1000M Full Force Mode, Auto Mode or Disabled. Copper
connections can operate in Forced Mode settings (1000M Full, 100M Full, 100M Half, 10M Full, 10M Half),
Auto, or Disabled. 100M Fiber connections support 100M Full Force Mode, 100M Half Force Mode, or
Disabled. The default setting for all ports is Auto.
NOTE: Be sure to adjust port speed settings
appropriately after changing the connected cable
media types.
MDI/MDIX:
A medium dependent interface (MDI) port is an Ethernet port connection typically used on the Network
Interface Card (NIC) or Integrated NIC port on a PC. Switches and hubs usually use Medium dependent
interface crossover (MDIX) interface. When connecting the Switch to end stations, user have to use
straight through Ethernet cables to make sure the Tx/Rx pairs match up properly. When connecting the
Switch to other networking devices, a crossover cable must be used.
This switch provides a configurable MDI/MDIX function for users. The switches can be set as an MDI port in
order to connect to other hubs or switches without an Ethernet crossover cable.
Auto is designed on the switch to detect if the connection is backwards, and automatically chooses MDI or
MDIX to properly match the connection. The default setting is “Auto” MDI/MDIX.
Flow Control: You can enable this function to mitigate the traffic congestion. Ports configured for full-duplex
use 802.3x flow control, half-duplex ports use backpressure flow control. The default setting is Disabled.
System > Port Configuration > Port Description
In the Port Description page, the user may name various ports on the Switch.
Figure 4.23 – System > Port Configuration > Port Description
From Port / To Port: Specify the range of ports to describe.
Medium Type: When port number is 25 or 26. Select the Medium Type is Copper, Fiber_1G or Fiber_100.
Description: Specify the description of ports.
Click Apply to set the description in the table.
System > Port Configuration > Port Error Disabled
The Port Error Disabled page displays the information about ports that have had their connection status
disabled, for reasons such as STP loopback detection or link down status.
Figure 4.24 – System > Port Configuration > Port Error Disabled
Port: Displays the port that has been error disabled.
Port State: Describes the current running state of the port, whether Enabled or Disabled.
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