Digi Connect SP (RS-232 only) 0.2304Mbit/s networking card

Connect SP serial server (RS-232 only) Standard Firmware Model The Digi Connect SP delivers a true plug-and-play device networking
solution that combines a compact form factor with proven serial
port connectivity. Unlike the similarly-sized Digi One® SP, the
Digi Connect SP provides a more extended operating temperature
range, IPv6 support, the ability to issue automated email alerts and
SNMP traps, and unique product customization capabilities. These
and other features make the Digi Connect SP an attractive solution for
a broad range of applications in retail/POS, manufacturing, building
security, government and medical.