clm_dab13e726fbe46ee9072aad82ae0be40_r1

VR2-0527

① SA Source

• Source: 開啟完整 SA 文章
• Section: Rack Level Infrastructure: Power Delivery
• Line hint: 609

Context Before

Source: Nvidia VR NVL72 Component BoM and Power Budget Model ↗

Evidence

The power shelves step down the power from 415VAC-480VAC to 50VDC and sends it to the busbar

Context After

Source: TE Connectivity, OCP 2025

② Atomic Claim

Power shelves 將 415VAC–480VAC 降為 50VDC，再送至 busbar。

• Epistemic Mode: ASSERTED
• Mapping Status: PARTIAL

③ Semantic Frame

{
  "attribute": "UNSPECIFIED_ATTRIBUTE",
  "context_nodes": [
    {
      "id": "04_knowledge_base/Busbar",
      "label": "busbar"
    }
  ],
  "entity": {
    "id": "04_knowledge_base/50VDC",
    "label": "50VDC"
  },
  "frame_type": "ATTRIBUTE",
  "qualifiers": {
    "condition_text": null,
    "numeric_mentions": [
      "415",
      "480",
      "50"
    ],
    "temporal_mentions": []
  },
  "value": {
    "numeric_mentions": [
      "415",
      "480",
      "50"
    ],
    "value_text": "Power shelves 將 415VAC–480VAC 降為 50VDC，再送至 busbar。"
  }
}

④ Canonical Entity Mapping

Role	Surface Label	Canonical Target
entity	50VDC	50VDC
context_0	busbar	Busbar

⑤ Human Review

請在 Properties 逐項確認：

• 原文 → Atomic Claim 是否忠實
• Atomic Claim → Semantic Frame 是否忠實
• Canonical Entity mapping 是否正確
• Epistemic mode 是否保留原文語氣
• 最後選擇 review_action

Review state

Markdown 內文不是正式 approval。只有 Apply bridge 寫入的 Decision Ledger event 才是正式決策。