CS-1224G
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24 Port 10/100/1000M Gigabit Switch
with 2 SFP Ports 

AC in  2 GIGA / SFP Ports

CS-2408G
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8 Port 10/100/1000M Gigabit Web Managed
Switch with 4 Combo Gigabit Ports

AC in  4 GIGA / Combo Ports

CS-2424G
———————————————-
24 Port 10/100/1000M Gigabit Web Managed
Switch with 4 SFP Ports

AC in  4 GIGA / SFP Ports

SLC-SXM
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1000BASE-SX/LC Multi-Mode Fiber
SFP Module (550M)
550M    GIGA 

SLC-LXS
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1000BASE-LX/LC Single-Mode Fiber
SFP Module (10KM)
10KM    GIGA