Vantec UGT-S100 User Manual page 6

mode (via external amplifier)
5. Surround Speaker: Connect to Surround speakers while in 4/6/8
channel modes (via external amplifier)
6. Center/Bass Speaker: Connect to Center/Bass speakers while in
6/8 channel modes (via external amplifier)
7. S/PDIF Out: The Digital Output jack is a S/PDIF Coaxial
output, you can use an RCA cable to connect this to a digital
recorder, mixer or surround receiver. A 75 Ohm digital coaxial
cable is required for this type of connection
Please refer to the audio configuration table below for the function of
the audio ports in 2, 4, 6, 8-channel configuration.
UGT‐S100 Page 6