D-Link DES-1210-52 Product Manual - Page 37
System > SNMP Settings > SNMP Global State, Auto MDI/MDIX
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5 Configuration D-Link Web Smart Switch User Manual Figure 51 - System > Port Setting 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 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 configurable MDI/MDIX function for users. The switches can set as an MDI port in order to connect to other hubs or switches without an Ethernet crossover cable. Auto MDI/MDIX 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. Link Status: Reporting Down indicates the port is disconnected. System > SNMP Settings > SNMP Global State Simple Network Management Protocol (SNMP) is an OSI Layer 7 (Application Layer) protocol designed specifically for managing and monitoring network devices. SNMP enables network management stations to read and modify the settings of gateways, routers, switches, and other network devices. Use SNMP to configure system features for proper operation, monitor performance and detect potential problems in the Switch or LAN. Managed devices that support SNMP include software (referred to as an agent), which runs locally on the device. A defined set of variables (managed objects) is maintained by the SNMP agent and used to manage the device. These objects are defined in a Management Information Base (MIB), which provides a standard presentation of the information controlled by the on-board SNMP agent. SNMP defines both the format of the MIB specifications and the protocol used to access this information over the network. The default SNMP global state is disabled. Select Enable and click Apply to enable the SNMP function. 31