Assertion: usb modem | /r/HasProperty | serial modems
Facets:
value: simply
type: MANNER
Source sentences:
text: USB modems may or may not have this problem, because some USB modems are simply serial modems with a "USB-to-serial" converter chipset (in which case there should be no problem), and other USB modems are "host-controlled" and are essentially externally attached Winmodems (in which case the problem may persist).