Digiboard, fits full length ISA slot in your computer. This is approx 15" long. Provides 8 serial ports, but the cable on this one only has 4 connections so 4 serial ports.
Info: fcc id fjs46w70198 pn 55000178.
8 port with 4 port cable.Looks like this one:
formatting link
Email to ohb at bellsouth dot net.
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