Asus Xonar D2 Manual De Instrucciones página 9

SPDIF In
Plug the optical TOSLINK adaptor into the S/PDIF-In combo connector. Then,
connect your MD/CD/DVD player's S/PDIF out port to the optical adaptor with the
TOSLINK optical cable
You can also use a coaxial cable for a S/PDIF digital connection. Just plug the
coaxial RCA male connector to the S/PDIF-In combo jack and connect the other
end into the coaxial S/PDIF output on the player.
Connecting headphone / microphone
ASUS Xonar D2 Installation Guide
9