(5) Serial console port (CONSOLE) 
(7) System status LED (SYS) 
(9) Power supply 2 status LED (PWR2) 
(10) Power supply 1 status LED (PWR1) 
 
Figure2-22 Rear panel 
 
(2) Power supply 1 (PWR1) 
(3) Power supply 2 (PWR2) 
 
The S5570S-54S-PWR-EI switch has two power supply slots on the rear panel and comes with 
power supply slot PWR1 empty and power supply slot PWR2 installed with a filler panel. You can 
install one or two power supplies for the switch as required. In Figure2-22, two PSR720-56A power 
modules are installed in the power supply slots. 
S5570S-36F-EI 
Figure2-23 Front panel 
 
(2) 10/100/1000BASE-T autosensing Ethernet port 
(4) Serial console port (CONSOLE) 
(6) 10/100/1000BASE-T autosensing Ethernet port LED 
(7) System status LED (SYS) 
(9) Power supply 1 status LED (PWR1) 
(10) Power supply 2 status LED (PWR2) 
 
Figure2-24 Rear panel 
 
(2) Power supply 1 (PWR1) 
(3) Power supply 2 (PWR2)