3Com 56K Network Card User Manual


 
H-2
A
PPENDIX
H: V
IEWING
LED
S
TR On
RS232 mode:
has detected DTR signal
USB mode:
has detected successful USB registration
Off
RS232 mode:
has not detected DTR
USB mode:
has not detected successful USB registration
CD On Has detected a carrier from a remote device or carrier
detect has been forced on
Off Has not detected a carrier
RS On Has detected the Ready to Send (RTS) signal from your
computer
Off Has not detected the RTS signal from your computer
CS On Is sending your computer the Clear to Send (CTS) signal
Off Is not sending your computer the CTS signal
This LED Status Means your Business Modem