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ZOOM Modem & USB Hub

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ZOOM Modem & USB Hub

Problem:
Zoom ADSL Modem operates correctly (speed good)under Win 98E when connected directly to the single USB port on my laptop. (Except that shutdown stops at the Windows 98 shutting down screen & manual switch off required)

If connected via USB 4 port Hub - the modem is not recognised and cannot be installed. Windows 98SE installs an 'unknown' USB device.

Problem applies whether or not the hub is bus or self powered and when the ADSL modem is the only device plugged into the hub.

There are no problems using the hub to connect other USB devices (USB-Parallel connection, tracker ball USB-digital camera lead).

Bandwith as reported by Windows System Device Manager;.
(a) Modem connected direct to USB port - 15% of available Bandwith used; and
(b) USB to parallel connector & USB track ball connected via 4 hub - 22% of available Bandwith used.
Re-installing the drivers and Modem makes no difference.
Hub makers are not aware of any reason why their hub should be a problem.
Awaiting reply from Zoom/Hayes Modem makers, in the meantime -

Any suggestions why the modem should not connect via the hub gratefully received. Solutions - even better!!
1 REPLY
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RE: ZOOM Modem & USB Hub

UPDATE:
After email to eurotech@hayes.co.uk I was sent updated installation software. Shut down problem solved. Unfortunately problem re inability to connect via a USB hub remains.

> Problem:
> Zoom ADSL Modem operates correctly (speed good)under Win 98E when connected directly to the single USB port on my laptop. (Except that shutdown stops at the Windows 98 shutting down screen & manual switch off required)
>
> If connected via USB 4 port Hub - the modem is not recognised and cannot be installed. Windows 98SE installs an 'unknown' USB device.
>
> Problem applies whether or not the hub is bus or self powered and when the ADSL modem is the only device plugged into the hub.
>
> There are no problems using the hub to connect other USB devices (USB-Parallel connection, tracker ball USB-digital camera lead).
>
> Bandwith as reported by Windows System Device Manager;.
> (a) Modem connected direct to USB port - 15% of available Bandwith used; and
> (b) USB to parallel connector & USB track ball connected via 4 hub - 22% of available Bandwith used.
> Re-installing the drivers and Modem makes no difference.
> Hub makers are not aware of any reason why their hub should be a problem.
> Awaiting reply from Zoom/Hayes Modem makers, in the meantime -
>
> Any suggestions why the modem should not connect via the hub gratefully received. Solutions - even better!!
>