Hypertec
Hyperport II 

IBM
Dual Async
Multiport/2
Portmaster
Waverunner
14k Modem Wake-On-Ring
Fax Concentrator
V.35

DigiBoard 
MC/Xe
MC/Xi
MC-IMAC

GammaLink 
CPMC

Millenium Engineering
EON-2M

National Instruments 
MC-GPIB

3com/USR
Courier V.32bis w/ASL
Courier HST

AVM
B1 Active ISDN