The most popular LAVA products:

RS422-550
2SP-PCIE DB9DB25 (QUICK GUIDE)
DATATAP-IP
USB-SERIAL LINK (QUICK GUIDE)
DSERIAL-PCI-LP (QUICK GUIDE)
SSERIAL-PCI
SSERIAL-PCIE
SPLITTER (QUICK GUIDE)
SP-PCIE
QUATTRO-PCIE
PAYLINK-IP-DIAL (QUICK GUIDE)
PARALLEL-PCIE-LP
PARALLEL-PCI 3.3 V
OCTOPUS-550 (DATASHEET)
LAVAPORT-PLUS
LAVAPORT-650 (DATASHEET)
DSERIAL-PCIE-LP (QUICK GUIDE)
DSERIAL-PCI POWERED
2SP-PCI
PARALLEL-PCI
USB-SERIAL LINK
8255-PIO
QUATTRO-PCI POWERED
DSERIAL-PCI
SSERIAL-PCIE-LP (QUICK GUIDE)
SSERIAL-PCI-LP
SPLITTER
SP-PCI (DATASHEET)
QUATTRO-PCI-LP
PAYLINK-IP-232 (QUICK GUIDE)
PARALLEL-PCIE (QUICK GUIDE)
PARALLEL PORT IN LINUX
LAVAPORT-QUAD
LAVAPORT-PLUS (DATASHEET)
LAVAPORT 650
DSERIAL-PCIE-LP
DSERIAL-PCI 3.3 V
LAVAPORT-PCI
PAYLINK-IP-DIAL
2SP-PCI (DATASHEET)
PAYLINK-IP
2SP-PCIE DB9DB9 (QUICK GUIDE)
SSERIAL-PCIE-LP
SSERIAL-PCI-LP (DATASHEET)
SP-PCI
QUATTRO-PCI
QUATTRO-PCI (DATASHEET)
PAYLINK-IP-232
PARALLEL-PCIE
PARALLEL BI-DIRECTIONAL
LAVAPORT-PNP
LAVAPORT-PCI (DATASHEET)
HQ-ST PLUS
DSERIAL-PCI-LP
DSERIAL-550
8 PORT
ESL
2SP-550
DSERIAL-PCIE (QUICK GUIDE)
2SP-PCIE DB9DB25
SSERIAL-PCIE (QUICK GUIDE)
SSERIAL-550
SP-PCIE (QUICK GUIDE)
QUATTRO-PCIE (QUICK GUIDE)
QUATTRO-PCI 3.3 V
PARALLEL-PCIE-LP (QUICK GUIDE)
PARALLEL-PCI-LP
OCTOPUS-550
LAVAPORT-PNP (DATASHEET)
LAVAPORT-ISA
DUAL PARALLEL-PCI
DSERIAL-PCI (QUICK GUIDE)
DSERIAL-550 (CONFIGURATION)