The SD403A card is a one group demuxer with both AES digital and stereo analog audio outputs. It provides two SDI outputs and two unbalanced AES outputs on the rear 75 Ohm BNC terminations. With the SD400A (D-to-A converter) daughter card installed, the SD403A provides analog signals on the TB102 termination assembly.The SD403A is jumper programmable to provide either two stereo pairs or four mono (summed) analog audio outputs.

The SD403A card can be installed in any position in the MF100 or MF104 Serialboxx frame. The TB102 termination assembly (included), mounts on the rear of the MF100 of MF104 frame directly behind the slot where the SD403A is installed.