DiGiCo SD9: Audio I/O, no sound from a rack and card conforming

Identify the rack, cards, options and software version before following a connection path. Controls are described against Getting Started Issue B and Software Reference Issue E; check that they apply to the installed system. Save the session before changing clock, patch or card configuration.

Date / event / technician: ____________________

SD9: identification / full software version / options: ____________________

Rack: manufacturer / model / firmware / cards by slot: ____________________

Original session / test copy / rollback location: ____________________

Physical connection / protocol / cable / adapters / length: ____________________

Audio I/O port / Device Type / Connection / status: ____________________

Sample rate / source selected in Audio Sync / observed indicators: ____________________

Card/Slot Type before testing / physical card / label and color: ____________________

Listen To Copied Audio: initial state / expected source: ____________________

Source and input socket / known signal / agreed level: ____________________

Solo assigned to Line Check / destination / verified listening level: ____________________

Socket listening result: ____________________

Channel / Main Input / Main or Alt / observed routing: ____________________

Channel meter and listening / verified output and physical destination: ____________________

Last point with confirmed audio / first point with no response: ____________________

Reason / parameter / previous value / test value: ____________________

If conforming: card, rack or all ports / identified scope: ____________________

Before-and-after screenshots / observed result: ____________________

Patch and destination comparison after the change: ____________________

What can be ruled out / what remains unresolved: ____________________

Restored settings or retained configuration / final file: ____________________

If the fault returns: time, conditions and support data: ____________________

Conform Rack, Conform All Ports and Default Rack have different effects.
Default Rack can change gains, pads, SRC and phantom power.
DiGiCo CAT5 carries MADI over CAT5 and must not connect to Ethernet switches.
A detected connection does not prove the complete audio path.

SD9 Getting Started · Issue B · V4.0.680+ https://digico.biz/wp-content/uploads/2020/02/SD9_Getting_Started.pdf
SD & Quantum Software Reference · Issue E · V1528+ https://digico.biz/wp-content/uploads/2022/03/SD-Quantum-Software-Reference-Issue-E-V1528.pdf
TN227 · 11/02/2018 https://digico.biz/wp-content/uploads/2020/02/TN227-RJ45-Cat5cables.pdf