It seems that it is almost the same drivers as for Serials ports found
on [CompuCable iDock][1].
Extracted from the README.pdf file on CD:
> USB to Serial Adapter User9s Guide
> The 2 Serial/Geo ports provide a simple and reliable way to connect
> Macintosh serial devices to the new Mac g�n�ration. Serial/Geo
> converters are intelligent, stackable expansion modules that connect
> to your Mac USB port.
> ? Features:
> 1\. Provides 2 Serial/Geo ports to your new Macintosh.
> 2\. Serial port supports data transfer rates at an internai rate of
> 230.4kbps
> and with an extemal clocking System at a rate of 860kbps.
>
> Compatibility List:
>
> | Printer: | Digital Cam�ra: | Others: | Apple Style Writer II |
> Fuji DS20 Cam�ra | Extemal Modem(Zoom Tomado)
> ---|---|---
> Apple Style Writer 15 00 | Olympus D200 Zoom Digital Cam�ra | Palm
> Pilot Professional(Us Robotic)
> Apple Style Writerl200 | Olympus D300 Zoom Digital Cam�ra | Newton
> 2000
> Apple Style Writer2400 | Olympus D400 Zoom Digital Cam�ra | Wacom
> Tablet
> Apple Style Writer2500 | Olympus 500 Zoom Digital Cam�ra |
> Fischertechnik Construcion Kits
> ColorStyle WriterPro | Olympus C-800L Digital Cam�ra | NON-
> Professional MIDI
> ColorStyle Writer 2200 | Olympus C-9000 Zoom | IBM Work PAD Japanese
> Ver.
> ColorStyle Writer 4500 | Epson D-340L | NEC AT/ATERML T45
> HP Desk Writer 550C | Kodak DC-50 | NEC AT/ATERML W60
> HP Desk Writer 694C | Casio QV-10V | CASIO QV-10
> HP Desk Writer 600 | | ISDN
> HP Desk Writer 850 | | IRISPen
> HP Desk Writer 870CSE |
> EPSON PM-770C |
> Apple Laser Writer 300 |
Compatibility
Architecture: PPCiMac or other USB-equipped Macintosh with an
available USB port
USB driver update 1.0.1 (or later )
Mac OS 8.1 (or later) with iMac update 1.0 (or later)
[1]:
https://macintoshgarden.org/apps/idock