Asa nu cred ca ar merge

SUBSYSTEMS=="usb", KERNEL=="ttyUSB*", ATTRS{serial}=="Reader 7CF6976", SYMLINK+="smargo0"
SUBSYSTEMS=="usb", KERNEL=="ttyUSB*", ATTRS{serial}=="Reader FDF4F0D", SYMLINK+="smargo1"
Tre sa le definesti :

SUBSYSTEMS=="usb", KERNEL=="ttyUSB0", ATTRS{serial}=="Reader 7CF6976", SYMLINK+="smargo0"
SUBSYSTEMS=="usb", KERNEL=="ttyUSB1", ATTRS{serial}=="Reader FDF4F0D", SYMLINK+="smargo1"