ダミープラグはいつ、何のために使うのですか？

ダミープラグはコネクター用の “ヘルメット ”だと思ってください。.

• プロテクション： A dropped bulkhead without a dummy plug often results in bent pins, rendering the entire ROV unusable until replaced.
• Sealing: For bulkheads installed on an ROV, a pressure-rated Dummy Plug allows the vehicle to be submerged even if that specific port is not being used (e.g., diving without the sonar attached).