Creative Sound Blaster X-Fi User Manual page 33

Notes
Actual products may differ slightly from those pictured.
Connecting your external decoder to the Digital I/O Module
For optical connections:
For coaxial connections:
Jack, Connector or Cable
1. FlexiJack
2. 3.50 mm (1/8-inch) mono-to-RCA cable (available separately)
3. Coaxial SPDIF In jack
Jack, Connector or Cable
1. Optical SPDIF Out jack
2. Optical cable (available separately)
3. Optical SPDIF In jack