Drivers for Ethernet and USB to RS422 converters:

Download the latest RS422 converter drivers here. Right click on the link below and choose "Save Target As".

For PC

Windows USB to RS422 EasySync drivers for W2000, XP and Vista 7 (zip, 2.3MB)

Windows Ethernet to RS422 NetCom program (zip, 37.0 MB)

For Power PC and Intel MAC

EasySync USB to RS422 EasySync drivers ver.2.2.14 (zip, 0.4 MB)

Keyspan USA-28X driver ver. 2.5 for MAC OS X 10.2.8 - 10.4.x (1.6 MB)

Keyspan USA-28X driver ver. 2.6b3 for MAC OS X 10.6 - Snow Leopard (0.2 MB)

Documentation

Keyspan to AX24 RS422 pinning

Keyspan USA-28X user manual (pdf, 1.0 MB)

Pin connections for RS422 connector on Ethernet to RS422 NetCon I/F

Download DADman