Dark Rack: Restore a Brownout-Hit Closet

Site: Beacon Hollow Community Radio & Makerspace · Closet IDF-2 · LAN 10.50.10.0/24

N10-007 · 5.1 5.3 5.2 3.2 APNET · 2.1 4.1 4.3

A short utility brownout hit the closet overnight and the station fell silent. Phones report "internet's down" across the whole building. You're the on-call steward. Work the problem bottom-up: start at the physical layer, read the panel LEDs, prove the fault with ping, restore power the right way, then verify the path is healthy again.

Closet IDF-2 — Rack Front & Power Feeds

Power Link/Activity Fault / no power

desk-01 — Operator Workstation Terminal (Linux)

Commands: ping [-c N] <ip> · ip a · help · clear. Up arrow recalls history.

Task Checklist (auto-checks)

Diagnosis

Several devices lost power. Name the one outage that, by itself, makes every host on the LAN unreachable from desk-01.

Knowledge Check

Callsign (your handle — no real name)

Score 0 / 10

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