1-2
S5120-20P-SI
Front Panel
Figure 1-1
S5120-20P-SI front panel
(1) 10/100/1000Base-T auto-sensing Ethernet port
(2) Port status LED
(3) Power LED (Power)
(4) Console port
(5) 1000Base-X SFP interface
10/100/1000Base-T autosensing Ethernet ports on the S5120-SI series are numbered in up-down and
left-right order, with the first upper left one being Port 1, the first lower left one being Port 2, the second
upper left one being Port 3, and so on.
Rear Panel
Figure 1-2
S5120-20P-SI rear panel
(1) AC receptacle
(2) Grounding screw
Power Supply System
AC power input:
Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz
Input voltage range: 90 VAC to 264 VAC, 47 Hz or 63 Hz
Cooling System
The S5120-20P-SI is equipped with one fan for heat dissipation