StarTech.com Serial Ethernet IP Adapter, Serial, 4 x DB9 & 1 x RJ45, Beige, 0 - 70 °C, 800 g, Wired StarTech.com Serial Ethernet IP Adapter. Host interface: Serial, Connector(s): 4 x DB9 & 1 x RJ45. Product colour: Beige. Package weight: 800 g. Connectivity technology: Wired, Compatible operating systems: Windows 2000, XP, Vista & Linux, Compliance industry standards: TCP/IP, HTTP, ICMP, TFTP, UDP