11
SERIAL
↔
PARALLEL CONVERTER V AND V-DB25
LED Codes
••-•—••-•—
Computer is sending data.
•—•—•—
Serial device is connected;
computer is not sending data.
••—••—
Both serial and parallel
devices are connected;
Computer not sending data.
•-•—•-•—
Printer not ready, data held in
buffer.
••••—••••
Computer ignoring flow
control, data lost.