Riverstone Networks RS 3000 Switch Router Getting Started Guide 2-15
Introduction
Hardware Features
The 1000BASE-SX line card uses the following LEDs.
Table 2-8
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 multi-mode fiber-optic cable
•
For 62.5 micron fiber-optic cable at a modal bandwidth
of 160 Mhz/km, the maximum segment length is 220
meters (722 feet)
•
For 62.5 micron fiber-optic cable at a modal bandwidth
of 200 Mhz/km, the maximum segment length is 275
meters (902 feet)
•
For 50 micron fiber-optic cable at a modal bandwidth of
400 Mhz/km, the maximum segment length is 500 meters
(1640 feet)
•
For 50 micron fiber-optic cable at a modal bandwidth of
500 Mhz/km, the maximum segment length is 550 meters
(1804 feet)
Table 2-9
1000BASE-SX line card LEDs
LED
Description
Per-port Link
Green
– Indicates that the port hardware detects a cable 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, 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.
