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Network Requirements

Before installing the 2H252-25R, review the requirements and specifications referred to in this chapter concerning the following:

SmartTrunk (Section 2.1)

10BASE-T Twisted Pair Network (Section 2.2)

100BASE-TX Twisted Pair Network (Section 2.3)

The network installation must meet the requirements to ensure satisfactory performance of this equipment. Failure to do so will produce poor network performance.

NOTE: The Enterasys Networks SmartTrunk 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

2.1SmartTrunk

To connect the 2H252-25R 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 Enterasys Networks SmartTrunk User’s Guide for additional information.

2.210BASE-T NETWORK

When connecting a 10BASE-T segment to any of the 2H252-25R ports (1 through 24), ensure that the network meets the Ethernet network requirements of the IEEE 802.3 standard for 10BASE-T. The ports support Category 3 UTP cabling when connected to a 10BASE-T segment. Refer to the Enterasys Networks Cabling Guide for details.

NOTE: If a port is to operate at 10 and 100 Mbps, Category 5 cabling must be used. Refer to Section 2.3 for information about 100BASE-TX networks and cabling.

Network Requirements 2-1

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Enterasys Networks 2H252-25R manual Network Requirements, 10BASE-T Network