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Fast Ethernet Switching System User’s Guide
LEDs
31
1-Port 1000BASE-SX Module
Figure 17: 1-Port 1000BASE-SX Module
The gigabit expansion module, displayed in Figure 17, is has one port. Refer to Table 7:
Gigabit Module LED for an explanation the LEDs.
Link
The link LED lights to indicate there is a link at the port.
Act
Act means activity. The Activity LED indicates the port is transmitting or receiving data.
Table 7: Gigabit Module LED
LED Lit Dark
Link
(Green)
Port is linked to another device No link
Act
(Yellow)
Port is transmitting or
receiving data
Port is not transmitting or
receiving data