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Network Requirements 2-1
2
Network Requirements
Before installing the module, review the requirements and specifications referred to in this chapter
concerning the following:
• SmartTrunk (Section 2.1)
• 100BASE-FX Fiber Optic Network (Section 2.2)
The network installation must meet the requirements to ensure satisfactory performance of this
equipment. Failure to do so will produce poor network performance.
2.1 SmartTrunk FEATURE
Before connecting the module to a network so it can take advantage of the SmartTrunk feature,
there are certain rules concerning port connections and configurations that must be followed for
proper operation. Refer to the MATRIX E7 Series and SmartSwitch 6000 Series Modules Local
Management User’s Guide for additional information.
2.2 100BASE-FX FIBER OPTIC NETWORK
The front panel ports of the module provide connections that support 100BASE-FX fiber optic
cabling. The device at the other end of the fiber optic segment must meet 100BASE-FX Fast
Ethernet network requirements for the devices to operate at 100 Mbps. IEEE 802.3u 100BASE-FX
characteristics for Multimode Fiber is a segment length of 412 meters (switched port) in half
duplex, 2 kilometers (switched port) in full duplex. This distance will be considerably shorter from
a repeater port. Make sure to check your network diameter specifications. Refer to the Cabling
Guide for details.
NOTE: The Enterasys Networks
MATRIX E7 Series and SmartSwitch 6000 Series
Modules Local Management User’s Guide
and
Cabling Guide
referred to in the following
sections can be found on the Enterasys Networks World Wide Web site:
http://www.enterasys.com/