PC system bus adapter 2173 / 2177
L
14 PC system bus adapter EN 1.1
6 Appendix
6.1 FAQ - Frequently asked questions and answers
6.1.1 PC system bus adapter 2173
Question Answer
The system bus configuration tool indicates that the
system bus adapter is ready for operation, but there
are no bus participants found. For what reason?
1. Check, if the wiring is correct and all bus
participants are switched on.
2. If so, the PC interrupt for the parallel interface
might be deactivated. (
^ 9)
3. Also check the BIOS and control panel settings.
(
^ 10 )
6.1.2 PC system bus adapter 2177
Question Answer
Is it possible to use the system bus adapter under
Windows NT or Windows 95?
No, it isn’t. Windows NT and Windows 95 do not
support USB.
Is it possible to operate several PC system bus
adapters of t y pe 2177 on a PC at the same time?
Yes, it is. But you have to select different USB device
numbers for the individual system bus adapters in the
system bus configuration tool. (
^ 11 )
Is it possible to operate the system bus adapter
together with other USB devices?
Yes, it is. The PC-internal power supply might, however,
not be sufficient f or the USB bus. In this case, you have
to use a USB hub with external power supply.
The power supply of my notebook is not sufficient for
the system bus adapter. What can I do?
Connect a USB hub between notebook and system bus
adapter. The USB hub has its own power supply via
which the connected USB devices are supplied.
Where can I get a USB hub? USB hubs are available in specialised computer shops.
How can I see if the PC has recognised the connected
system bus adapter?
The system bus adapter LED only lights up if the
operating system has identified t he syst em bus adapter
and f ound an appropriate driver.
May I remove the system bus adapter from the PC any
time?
Basically,yes,youcan.
• Under Windows 98, the system bus adapter can be
removed from the PC any time.
• Under Windows 2000/XP, a USB device may only be
removed from the USB port after logging off over
the
Tray icon ”Safely remove hardware” in the
task bar. For the system bus adapter select the
entry ”PCAN-USB”.
• If Lenze tools are open when pulling of f the system
bus adapter , they have to be started again if you
want to communicate with them.
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