Cabletron Systems DLE32-MA 10BASE-T Network, 100BASE-TX Network, 100BASE-FX Fiber Optic Network

Models: DLE32-MA DLE33-MA DLE23-MA DLE22-MA

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Chapter 2: Network Requirements

2.210BASE-T NETWORK

When connecting a 10BASE-T segment to any of the DLE2X-MA and DLE3X-MA ports (Interfaces 1 through 24), ensure that the network meets the Ethernet network requirements of the IEEE 802.3 standard for 10BASE-T. Refer to the Cabletron Systems Cabling Guide for details.

2.3100BASE-TX NETWORK

The DLE2X-MA, with an DELTX-UI installed in ports 25 and 26, provides an RJ45 connection that supports UTP cabling. The device at the other end of the twisted pair segment must meet IEEE 802.3u 100BASE-TX Fast Ethernet network requirements for the devices to operate at 100 Mbps. Refer to the Cabletron Systems Cabling Guide for details.

The DLE2X-MA with an DELTX-UI installed is capable of operating at either 10 or 100 Mbps. The DELTX-UI can automatically sense the speed of the other device and adjusts its speed accordingly.

2.4100BASE-FX FIBER OPTIC NETWORK

Ports 25 and 26 of the DLE2X-MA support the DELFX-UI and DELF3-UI fiber optic interface modules. The device at the other end of the fiber optic segment must meet the 100BASE-FX Fast Ethernet network requirements to operate at 100 Mbps. Refer to the Cabletron Systems Cabling Guide for details.

Multimode Mode Fiber Optic Cable Length

The maximum multimode fiber optic cable length of a 100BASE-FX segment is covered in the Cabletron Systems Cabling Guide.

Single Mode Fiber Cable Lengths

The maximum single mode fiber optic length of a 100BASE-FX segment may be no more than 5 km between Data Terminal Equipment (DTE to DTE) in half duplex mode or 20 km (DTE to DTE) in full duplex mode.

2-2 DLE22-MA, DLE32-MA, DLE23-MA and DLE33-MA User’s Guide

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Cabletron Systems DLE32-MA, DLE33-MA, DLE22-MA manual 10BASE-T Network, 100BASE-TX Network, 100BASE-FX Fiber Optic Network