 |  | Nport 4511
 1port Programmable RS232/422/485 Gateway w/switching power supply - bulk unit
 List price: $199.00 Sale price: $183.88 |  |  |  | Nport 4511-B
 1port Programmable RS232/422/485 Gateway w/switching power supply - RAW board
 List price: $179.00 Sale price: $165.40 |