Fast EtherHub 3500 System User’s Guide
4-28 Configuring the System
Menu items are briefly described in the following table.
Field Description
Hub ID Hub identifier within the stack.
Position The physical position in the stack (as determined by its position from the top of the FlexBus chain).
Port ID Identifies this port as the SmartExtender Module.
Name User-defined name for selected port.
Link State Indicates if the port has a valid connection to an external device.
Type Connection types for the SmartExtender Module include 100BASE-TX (10BASE-T), 100BASE-T4,
100BASE-FX.
Speed The 100BASE-TX module relies on auto-detection to set the speed at 10 or 100 Mbps, while the
100BASE-T4 and 100BASE-FX modules are fixed at 100 Mbps.
Admin Status
1
Any port may be set by the operator to ENABLED or DISABLED.
Oper Status1Reflects the port’s actual status as ENABLED or DISABLED.
Duplex Mode The extender module for 100BASE-TX (10BASE-T) and 100BASE-FX can be set to half or full duplex.
Duplex In Use Displays the actual duplex mode in use based on the results of auto-negotiation.
Back Pressure When the internal buffers on this port begin to fill, it can be configured to signal the connected
device to slow transmission by setting this field to ENABLED.
Forwarding Mode The scheme by which frames are processed and forwarded through this module can be set to
Adaptive Cut-through or Store and Forward.
Forwarding In Use Indicates the actual forwarding mode in use based on the current error rate.
1 - If the port is set to ENABLED by the administrator, but used as a backup port, Admin Status and Oper Status will differ.
Table 4.12 SEM Port Configuration Menu