Two Digi PortServer TS 4 MEI 4-port Serial-to-Ethernet Server - NOT TESTED

Comtrol RocketPort Express Quad/Octa PCIe Serial Adapter P/N: 5002505

SIIG Dual (2) Serial Port/RS-232, Single (1) Parallel Port PCIe Card 16C550 UART

SIIG Single Serial Port/RS-232 Single Parallel Port PCIe Card (JJ-E20311-S1)

Lantronix USD2100 Serial Port Server Device

Lot of 10 HP Serial Port Card Adapter High Profile w/Cable 012712-001 383033-001

HP Serial Port RS323 High Profile Adapter Card 628646-001 Tested Working

Serial to USB Adapter Adaptor Connector Cyber Power