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Chapter 5: Local Management
5-68 6H122-16 User’s Guide
Advertised Ability (Selectable)
During auto-negotiation, the port “tells” the device at the other end of the
segment what its capabilities are. The capabilities of a port are
10BASE-T, 10BASE-TFD (full duplex mode), 100BASE-TX and
100BASE-TXFD (full duplex mode, ports 15 and 16 only). In normal
operation, with all capabilities enabled, the port “advertises” that it has
the ability to operate in any mode. The Network Manager may choose to
set up the port so that only a portion of the available capabilities are
advertised and the others are disabled. For example, only 100BASE-TX
and 100BASE-TXFD (ports 15 and 16 only) might be enabled so that
only devices that operate at 100 Mbps can communicate with that port.
Section 5.19.3 describes how to enable or disable advertised modes.
Flow Control Admin Status (Selectable)
Enabling this setting controls whether or not the switch will block traffic
on all ports when there is excessive traffic for the switch to process. This
will clear the ports and allow the switch to process the current frame
information. Section 5.19.4 explains how to enable or disable this option.
5.19.1 Configuring the Ports
In normal operation, a 6H122-16 interface automatically establishes a
link with the device at the other end of the segment and no user setup is
required. Section 5.19.2 and Section 5.19.3 provide instructions for
manually configuring the interface.
5.19.2 Setting the Operational Mode
Use this field to set the active technology. This field steps between
Auto-Negotiation, 10BASE-T, 10BASE-TFD (full duplex),
100BASE-TX, and 100BASE-TXFD (full duplex, ports 15 and 16 only).
If Auto-Negotiation is selected, the port automatically sets the active
technology. To manually set the active 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 the desired mode. Press ENTER. If any
mode other than auto-negotiation is selected, the port only operates in
the chosen mode and auto-negotiation is disabled.