Riverstone Networks RS 8000/8600 Switch Router Getting Started Guide 2-31
Introduction
Hardware Overview
1000Base-T Line Card
The 1000Base-T line card contains two independent RJ-45 Ethernet ports. Each port supports a 1000Base-T
connection over category 5 UTP.
Figure 2-18
shows the front panel of the 1000Base-T line card.
Figure 2-18 Front panel of 1000Base-T line card
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 the port exists
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
Per-port AN
Green
– indicates that the line card has auto negotiated 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 2-24 LEDs for 1000Base-LLX line card (Continued)
LED
Description
Hot
Swap
1
Online
Offline
Rx
Tx
Link
Quality
1000BASE-T
G8M-GTXB2-02
2
Master
Rx
Tx
Link
Quality
Master
