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Hardware Overview
1-16
Introduction
1000BASE-SX Line Card
The 1000BASE-SX line card contains two independent Gigabit (1000-Mbps) Ethernet ports. The
ports connect to multimode-mode fiber (MMF) cables.
Figure 1-4
shows the front panel of the
1000BASE-SX line card.
Figure 1-4
Front panel of 1000BASE-SX Line Card
Cabling and Connector Specifications
The following table lists the media specifications for the 1000BASE-SX line card.
Table 1-7
1000BASE-SX Line Card 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
2
1
Rx
Tx Link
AN
Rx
Tx Link
AN
1000BASE-SX
6SSRLC-SX
Gigabit port
Gigabit port
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