The GS1900-24 is a 24 + 2-port Gigabit L2 switch.
2 Uplink ports are SFP cages which support 1000 Base-X tmini GBIC modules.
Power is supplied via a 100-240V C13 connector.
It ships with a bootloader based on Realtek's SDK for RTL83xx SoCs and Linux 2.6 based on Realtek's SDK. It has a web interface for all management functions.