Serial port Loopback (9 Norton) pinout

9 pin D-SUB female connector layout
9 pin D-SUB female connector at the computer


Used to verify that a port is working. This one works with Norton Utilities: Norton Diagnostics from Symantec.

Name Pin Pin Pin Pin
Jumpering 1 2 3    
Jumpering 2 7 8    
Jumpering 3 1 4 6 9

None found.