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Enterasys Xpedition 2000 Getting Started Guide 17

Hardware Overview

Cabling and Connector Specifications

The following table lists the media specifications for the 1000BASE-LX expansion module.

LEDs

The 1000BASE-LX expansion module uses the following LEDs.

Table 11. 1000BASE-LX expansion module specifications

Port type Specification

1000Base-LX • 802.3z standard (also uses 802.3x for flow control)

• SC-style Media Interface Connector (MIC)

• 62.5 micron or 50 micron multimode fiber-optic cable

• 9.5 micron single-mode fiber-optic cable

• Maximum 550 meters (1804 feet)

segment length for 62.5

micron fiber-optic cable, based on installed fiber bandwidth

• Maximum 550 meters (1804 feet) segment length for 50 micron

fiber-optic cable, based on installed fiber bandwidth

• Maximum 5 kilometers (229,659 feet) segment length for 10

micron single-mode fiber-optic cable

1. Patch cord required.

Table 12. 1000BASE-LX expansion module LEDs

LED Description

Per-port Link • Green – indicates that the port hardware detects a cable plugged

into the port and a good link is established.

• Red (intermittent) – indicates that the port received an error

during operation.

• Red (solid) – indicates that the port hardware detects a cable

plugged into the port, however, a bad link is established.

• Off – indicates that no link from exists with the port.

Per-port Rx • Green – indicates when the port’s transceiver receives packets.

• Orange – indicates when the port’s transceiver receives flow-

control packets.

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Enterasys 2000 Spécifications Page 31