Your search for "IE-2000-4TS-G-B" revealed the following:
NEW Cisco IE-2000-4TS-G-B IE 2000 4x FE RJ45 2x 1GB SFP Switch
SKU: NSN-5314
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco IE-2000-4TS-G-B IE 2000 4x FE RJ45 2x 1GB SFP Switch
SKU: NSH-8987
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco IE-2000-4T-G-B IE 2000 4x FE RJ45 2x 1GB RJ45 Switch
SKU: NSB-9056
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days