The head's rear panel is crowded with similar-looking ports and install day has a customer watching. What determines which sockets the shelf interconnects go into?
Select an answer to reveal the explanation.
Short Explanation
Here's the deal: a crowded rear panel isn't a puzzle to guess your way through, especially with the customer watching. The install guide names the expansion ports, and a cable pressed into a look-alike neighbor does quiet damage while looking like success. Read first, confirm twice, click once.
Full Explanation
Which sockets on the head serve the expansion chain is answered by the platform's installation documentation: the guide names the SAS expansion ports for that model, and the correct process identifies and confirms those ports before the first connector is pressed home. The rear panel's look-alike ports — network interfaces, management, service — carry entirely different electrical roles that memory and appearance will not reliably separate under pressure. Link response when a cable is offered fails by concept: activity proves that some port is alive, not what function it serves, and probing an unidentified socket trades a documented step for a guess whose cost lands later. Faster-socket-first lane reasoning is invented: port roles are fixed by the platform's design and documented rather than elected by speed, and nothing cascades by preference. Using any SAS-capable card port fails because supported expansion ports are defined per platform with a fixed layout — free patching contradicts the documented SAS map on which the whole cabling task depends. Exam caveat: read first — port identity comes from the official guide for the specific platform, never from panel resemblance. Operational check: each chosen port is matched against the guide's name and position, then checked again after dressing, before the first cable lands.