NI AT-232/2 2-Port ISA Serial Interface

NI AT-485/4 4-Port ISA Serial Interface

Tektronix DPO4COMP RS-232 422 485 UART Serial Trigger & Analysis Module

Tektronix DPO4AERO Serial Triggering / Analysis Module for Space Communications

PEAK PCAN-LIN Adapter RS-232 Serial Interface, Model IPEH-002025, MPN PCAN-LIN

Audio Precision PCI-2 / PCI2 APIB ISA Interface Module

NI National Instruments PCI-8430/4 4-Port RS23N2 Serial Interface Card w/ Cables

Finnigan TSQ7000 ISA RS232 Serial Interface Card SDL 8x RJ12