Combo interface
A combo interface has one fiber SFP port and one 1000Base-T copper Ethernet port. These two ports
share one port number and cannot work simultaneously. When you activate one port, the other port
automatically shuts down.
On the front panel of an 3600 v2 switch, the copper combo ports are marked in the port number + T
format, and the fiber SFP combo ports are marked in the port number + S format. Figure 42 uses the
3600-48 v2 SI Switch front panel as an example.
Figure 42 Identify the combo ports on the 3600-48 v2 SI Switch front panel
LEDs
Table 13 LEDs at a glance
LED Availabilit
System status LED Entire series
DC power LED
PoE-capable 3600 v2 SI switches (model suffix PWR-SI), 3600
v2 EI switches
Port mode LED Entire series
Seven-segment LED Entire series
10/100Base-TX Ethernet port LED Entire series
1000Base-T Ethernet port LED Entire series
100Base-X SFP port LED 3600-24-SFP v2 EI Switch
1000Base-X SFP port LED Entire series
System status LED
The system status LED shows the operating status of the switch.
48
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