This item is used. Power-on confirmation only has been performed. Please purchase with the understanding that it is a used item. The cable has visible stains. Features Durable and resistant to noise, this is a compact type. It can be used in harsh environments from -10 to +50°C. Supports many LAN protocols such as TCP/IP and UDP/IP. Specifications Interface: RJ45 (10BASE-T, 100BASE-TX auto-detection) Supported OS: Windows(R) XP/Vista(R)/7 (32/64bit) With M3 screw holes Power: Supplied from AC adapter (included) or external DC power supply Accessories: Utility CD, AC adapter Model number: SI-60 LAN ⇔ RS232C (DB25pin)