Riverstone Networks RS 3000, Руководство по началу работы

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2-16 Riverstone Networks RS 3000 Switch Router Getting Started Guide
Hardware Features Introduction
1000BASE-LX line card
The 1000BASE-LX line card provides the same features as the 1000BASE-SX line card, but supports both
single-mode fiber (SMF) and MMF.
Figure 2-6 shows the front panel of the 1000BASE-LX line card.
Figure 2-6 Front panel of 1000BASE-LX line card
The following table lists the media specifications for the 1000BASE-LX line card.
Per-port AN Green – Indicates that the line card is auto-negotiating the operating mode of
the link between full-duplex and half-duplex.
Orange (intermittent) – Indicates that auto-negotiation is in process.
Orange (solid) – Indicates a problem with auto-negotiation configuration.
Red – Indicates an auto-negotiation failure. This fault may occur if the link
partner does not support full duplex.
Off – Indicates that auto-negotiation has been disabled or the link is down.
Table 2-10 1000BASE-LX line card 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 multi-mode fiber-optic cable
•
10 micron single-mode fiber-optic cable
•
For 62.5 micron fiber-optic cable at a modal bandwidth
of 500 Mhz/km, the maximum segment length is 550
meters (1804 feet)
a
•
For 50 micron fiber-optic cable at a modal bandwidth of
500 Mhz/km, the maximum segment length is 550 meters
(1804 feet)
a
•
For 50 micron fiber-optic cable at a modal bandwidth of
400 Mhz/km, the maximum segment length is 550 meters
(1804) feet
•
Maximum 5 kilometer (229,659 feet) segment length for
the 10 micron SMF fiber-optic cable
a. A mode-conditioning patch cord is required, one at each end of the connection.
Table 2-9 1000BASE-SX line card LEDs (Continued)
LED Description
2 1
Rx
Tx Link
AN Rx
Tx Link
AN
1000BASE-LX G3M-GLXB9-02