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Chapter 1: Features Overview
36 SmartSwitch Router 2000 Getting Started Guide
1000BASE-LX Expansion Module
The 1000BASE-LX expansion module provides the same features as the 1000BASE-SX
expansion module, and supports both single-mode fiber (SMF) and MMF.
Figure 5 shows
the front panel of the 1000BASE-LX expansion module.
Figure 5. Front panel of 1000BASE-LX expansion module
Per-port AN • Green – indicates that the expansion module is autonegotiating
the operating mode of the link between full-duplex and half-
duplex.
• Orange (intermittent) – indicates that autonegotiation is in
process.
• Orange (solid) – indicates a problem with autonegotiation
configuration.
• Red – indicates an autonegotiation failure. This fault may occur if
the link partner does not support full duplex.
• Off – indicates that autonegotiation has been disabled or the link
is down.
Table 10. 1000BASE-SX expansion module LEDs (Continued)
LED Description
2 1
Rx
Tx Link
AN Rx
Tx Link
AN
1000BASE-LX SSR-2-LX
Gigabit port Gigabit port