User's Manual Part 1

MC75 Hardware Interface Description
Strictly confidential / Draft
s
MC75_V00.190a Page 45 of 91 15.02.2005
You can find the “Siemens AG WM
USB Modem” listed under
Control
Panel
| Phone and Modem Options |
Modems.
Troubleshooting for installation problems
If Windows fails to
assign the next free
COM port to MC75 and,
for example, allocates a
COM port already used
by another modem you
can manually select a
free port as follows:
Open the Windows
Device Manager, select
the installed “Siemens
AG WM USB Modem”,
click
Properties, select
the
Advanced tab and
click
Advanced Port
settings
. From the
listbox
COM Port
Number
choose a free
port. To make the
changes take effect
disconnect and re-
connect the USB cable.
If not yet successful,
also restart Windows.