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Enterasys Xpedition 2000 Getting Started Guide 15

Hardware Overview

Cabling and Connector Specifications

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

LEDs

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

Table 9. 1000BASE-SX expansion module specifications

Port type Specification

1000Base-SX • 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

• Maximum 275 meters (902 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

Table 10. 1000BASE-SX 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.

Per-port Tx • Green – indicates when the port’s transceiver transmits packets.

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

control packets.

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