Troubleshooting (continued)
no parity, one stop bit and hardware handshaking, errors can occur if the settings on the other device do not match.
Modem not detected/illegal operation in MODEM.CPL
It is possible that a modem attached to the USB Serial Adapter will not be detected or a problem will occur in MODEM.CPL if more than one USB hub is between the USB Serial Adapter and the root hub. This is a known problem in MODEM.CPL, a component of Windows® 98. The easiest solution to this problem is to attach the USB Serial Adapter to either the root hub (a USB port on the back of your PC) or to a hub that is connected to the root hub.
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