Differences between Switch models in series GS1100 and GS1900 versions

Here you can see the technical changes of switch versions, which are mostly sold under the same product name, but different part numbers:

GS1100-10HP-EU0101F	GS1100-10HP-EU0102F	LINK/ACT, POE and SFP LEDs to single color green,
		Remove EEE green Ethernet button and default enabled.
		Added kensington lock in the rear
		Removed power on/off switch
		DC input jack form factor to common pin type
		Grounding screw relocate to the side
GS1900-8-EU0101F	GS1900-8-EU0102F	Removed power on/off switch
		Reset button rename to restore button
GS1900-8HP-EU0102F	GS1900-8HP-EU0103F	LINK/ACT, POE and SFP LEDs to single color green
		PWR,SYS LED position slightly shift to right
		Reset button rename to restore button
		Added kensington lock in the rear
		Removed power on/off switch
		DC input jack form factor to common pin type
GS1900-10HP-EU0101F	GS1900-10HP-EU0102F	Grounding screw relocate to the side
GS1900-24E-EU0102F	GS1900-24E-EU0103F	Reset button rename to restore button
GS1900-24-EU0101F	GS1900-24-EU0102F	RJ45 cage from 2x4 to 2x6
		SFP LEDs are moved to the left together with port LEDs
		Add additional restore button for factory default
		Both restore and reset buttons re-locate to left side to unify the location
		Added Kensington lock and grounding screw in rear
GS1900-48-EU0101F	GS1900-48-EU0102F	SFP LEDs are moved to the left together with port LEDs
		Add additional restore button for factory default
		Both restore and reset buttons re-locate to left side to unify the location
		Added Kensington lock and grounding screw in rear
		Add one additional Fan