
GS748T Gigabit Smart Switch
LED Designations
Port LEDs
The following table describes the 
| LED | Designation | |
| 
 | 
 | 
 | 
| Link/Speed/ACT LED mode for | • | |
| copper ports 1 to 48: | • | Solid  | 
| 
 | • Blinking  | |
| 
 | 
 | 1000 Mbps. | 
| 
 | • | Solid  | 
| 
 | • Blinking  | |
| 
 | 
 | at 10/100 Mbps. | 
| 
 | If the media for ports 47 and 48 changes to SFP, the port LED for copper | |
| 
 | ports 47 and 48 changes to off. | |
| 
 | 
 | 
 | 
| Link/ACT LED for SFP ports | • | |
| 47 to 50: | • | Solid  | 
| 
 | • | Blinking Green— The port is transmitting or receiving packets | 
| 
 | 
 | at 1000 Mbps. | 
| 
 | If the media for ports 47 and 48 changes to copper, the port LED for the | |
| 
 | SFP combo ports changes to off. | |
| 
 | 
 | 
 | 
System LED
The following table describes the system LED designations.
| LED | Designation | |
| 
 | 
 | 
 | 
| Power | • | |
| 
 | • | |
| 
 | 
 | 
 | 
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