Name: SEL C662 USB to Serial Cable
EIA-232 to USB converter with selectable DTE/DCE connectivity. Also supports +5V on pin 1 (rather than RI).
Chipset is unknown (I can't crack my case open).
Name: SEL C662 Serial Cable
Name: Schweitzer Engineering Laboratories, Inc
The description for this vendor ID should be specific to the manufacturer, not a particular device. Schweitzer Engineering Laboratories (SEL) manufactures multiple USB devices. This main entry should not be specific to a device.