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Default Configuration
T
able 2 lists the factory defaults for ports on the EtherSpeed module.
Table 2. Factory defaults for EtherSpeed 10/100 Mb/s ports
Parameter Factory default Configurable options
Switching mode Transparent Transparent
Spanning Tree Protocol None None, IEEE
Path cost 16 1–65535
Port partition state Enabled Enabled, Disabled
Filters Disabled Enabled, Disabled
PMD type • 10BASE-TX
• 100BASE-FX
None
Port speed
• 10BASE-TX
• 100BASE-FX
10 Mb/s
100 Mb/s (autosensing)
None
None
Half/full duplex Full Duplex Half/full duplex
Bridge group 2 2–32
Priority 128 0-255
6539
TX RX
Fiber Port Requirements
Two SC fiber optic connectors (see Figure
3) on the
EtherSpeed module provide 100BASE-FX
100 Mb/s ports. The 100BASE-FX ports have the
following options and requirements:
• Cable Options
— 62.5-micron multimode fiber optic
— 50/125-micron multimode fiber optic
• Maximum fiber cable length
— 380 meters (1246.4 feet) when operating in
half-duplex mode
— 128 meters (419.84 feet) if one of the FX
ports is connected to a repeater that has FX
ports and TX ports
Figure 3. SC connector
893-00994-A Page 4 Tuesday, April 29, 1997 5:55 PM