Enterasys Networks X-Pedition 2000 - Manual (Page 33)

Enterasys X-Pedition 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)
1
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.