Serial Communications Boards - RS232
C104H
4 Port RS-232 ISA/PCI
C218Turbo
8 Port Intelligent asyc-ISA
CP204J
4 Port Intelligent
Serial Communications Boards - RS422/485
CI132
2 Port RS-422/485
CI134
4 Port RS-422/485
CP114
4 Port RS-232, 422/485
CP132
2 POrt RS-422/485
Serial Device Servers
DE211
1 Port RS232/422/485 Device Server
DE311
1 Port RS-232 to 10/100M Ethernet
DE301-304
1-4 Port RS232/422/485 Device Server