The Roland DIF-AT Signal Converter Interface can convert its analog outputs to 8 channel Optical/ADAT. VS-2480 (master)Pro T ools (slave)CONNECTIONSRoland R-BUS OUT > Roland DIF-AT Interface > Optical Input on Digi 001 PCI card. (Optical Input has no light. Optical Output has red light.)MIDI OUT of Roland VS-2480 > MIDI IN of Digi 001.PRO TOOLS CONFIGURATION1) Launch a Pro Tools session. Make sure that bit depth and sample rate match between Pro Tools and the VS-2480.2) Windows Menu > Show Session Setup. Sync Mode = Optical.Make sure that the Start time and Current Time Code are the same, or that Start Time is a little ahead of Current Time. OMS Setup1) In Pro Tools > Setups > OMS Studio Setup. (If is says "Please Find OMS": Double-click on Desktop > Mac Hard Drive > Opcode folder > OMS Applications > OMS Setup. OMS setup window will launch)2) Double click on the keyboard with the question mark hanging off the Digi 001. Set the Manufacturer to Roland, Model to VS-1640, then rename the model VS-2480. Make sure that to enable sends and receives MIDI Time Code. Using the Optical connection from the VS-2480 > DIF-AT > 001 Optical Input- Setups Menu > Playback Engine > Yes > Other Options > Set Optical Format to ADAT > Done > OK. Pro Tools LE will reload. - Setups Menu > I/O Setups > Click on Input Tab > Click on Default button to Reset I/O's > OK. 5) Select Inputs for tracks: ADAT 1- 8.6) In Pro Tools: Setups > Peripherals > Synchronization: device = Generic MTC reader, Port = VS-2480.7) Set to ONLINE by pressing clock icon on Pro Tools transport, Transport = Pro Tools; and press record button. Both Online and Record button will flash until sync begins. 8) Setups > Preferences> Operation: Record Online at Insertion/Selection.9) Record enable all audio tracks. 10)Press play on the VS-2480 and Pro Tools will sync and go into record. VS-24801) Set to Master2) Sync Mode = Internal3) select MTC for MIDI OUT connector4) MTC Type = 30 (fps).