20 
Figure 22 1920-16G rear panel 
 
(1) Grounding screw   (2) AC power receptacle 
 
1920-24G 
Figure 23 1920-24G front panel 
 
(1) 10/100/1000BASE-T copper ports
100/1000BASE-X SFP fiber ports
(3) Fiber port LEDs  (4) Copper port LEDs 
(5) Power LED  (6) Console port 
 
Figure 24 1920-24G rear panel 
 
(1) Groundin
C power receptacle 
 
1920-48G 
Figure 25 1920-48G front panel 
 
(1) 10/100/1000BASE-T copper ports
100/1000BASE-X SFP fiber ports
(3) Console port  (4) Power LED