Keyspan USB 4-Port Serial Adapter

(photo - rear view)

Keyspan USA-49W & USA-49WLC

Related drivers and user manual are no longer available from the manufacturer. A copy of these files are provided below.
Version 3.1B for Windows 98, 98SE, 2000, and XP (EXE, 2.94 Mo)
Version 3.1C for Windows 98, 98SE, 2000, Vista 32 bits and 7 32 bits (EXE, 5.93 Mo)
Someone has reported that version 3.1C works with Windows 7. Thank you, K6OI.
User Manual (PDF, 2.42 Mo)

Keyspan USA-49WG

This model replace previous ones. Characteristics: USB 2.0 Hi-Speed device - serial speeds up to 460 Kbps - RoHS compliant (RoHS = Restriction of Hazardous Substances). The drivers are different from previous models, due to the hardware differences. Linux drivers available on systems since kernel 2.6.23.
Owners manual and last Windows & Mac OSX drivers are available from manufacturer.

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marc [at] marc [hyphen] oya [dot] eu - Updated 2012-09-14