Furuno FELCOM 70 Operator's Manual page 161

USB driver installation
Prior to installing the USB drivers, remove vtLite if it is to be used via USB.
Remove all programs that use virtual COM ports, such as RVS.
The programs may be reinstalled when the USB installation has been
completed.
Procedure:
1 Insert the CD enclosed with the manual.
2 With the terminal ON, connect the USB cable in both FELCOM 70 and the
PC.
3 Windows opens the Found New Hardware Wizard.
See next page.
Modem Drivers
Win 2000/XP:
Mdm4nera.inf
SILENCE
RS-422
FELCOM 70 CU
Note: The USB port can not be used. If you want to use an USB port on your PC,
use a commercially available RS-232-USB converter and install its driver.
Note that the explanation of AT commands are exactly same as RS-232 Mobile
Data Service. If necessary, refer to paragraph "6.3.7 AT commands.
ISDN ISDN
ISDN ISDN TEL 4
ISDN ISDN TEL 3
ISDN ISDN
RS232-USB
converter
6. DATA COMMUNICATION
USB RS-232 RS-232
B A
PC USB port
DTE
6-71