High Speed Interface Configuration Screen2E48-27R/2E49-27R User’s Guide5-53Advertised Ability (Selectable)During auto-negotiation, the FE-100TX informs the device at the otherend of the segment about its capabilities. The capabilities of a port (25 or26) with an FE-100TX installed are 10BASE-T, 10BASE-TFD (fullduplex mode), 100BASE-TX and 100BASE-TXFD (full duplex mode).In normal operation, with all capabilities enabled, the FE-100TX“advertises” that it has the ability to operate in any mode. The NetworkManager may choose to set up the port so that only a portion of theavailable capabilities are advertised and the others are disabled. Forexample, only 100BASE-TX and 100BASE-TXFD might be enabled sothat only devices that operate at 100 Mbps can communicate with thatport. Section 5.15.2.2 describes how to enable or disable advertisedmodes.5.15.1 Configuring an FE-100FX or FE-100F3When an FE-100FX or FE-100F3 is installed in port 25 or 26, it must bemanually set to operate in the same technology as the device at the otherend of the connected segment. Section 5.15.1.1 provides instructions formanually configuring the port with an FE-100FX or FE-100F3 interface.5.15.1.1 Setting the FE-100FX or FE-100F3Operational ModeUse the Desired Oper. Mode field to set the active technology. This fieldtoggles between 100Base-FX and 100Base-FXFD (full duplex). To set theactive technology through Local Management, proceed as follows:1. Use the arrow keys to highlight the Desired Oper. Mode field.2. Use the SPACE bar to select 100Base-FX or 100Base-FXFD (fullduplex).3. Press ENTER. The port now operates in the chosen mode.4. Use the arrow keys to highlight the SAVE command. Press ENTER.The message “SAVED OK” displays and Local Management savesthe changes to memory.
