單項(xiàng)選擇題()由端子接線板和通信模塊組成,裝在一個(gè)完全防水、防爆機(jī)殼內(nèi),與現(xiàn)場(chǎng)探頭配套,主要用于接收干觸點(diǎn)信號(hào)

A、通信單元
B、IDC
C、通信模塊
D、DCU


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1.單項(xiàng)選擇題當(dāng)中央控制室手動(dòng)報(bào)警站MFS-1301被拉下時(shí),相應(yīng)的報(bào)警描述為()

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5.單項(xiàng)選擇題當(dāng)中央控制室10個(gè)煙霧探測(cè)器中任何一個(gè)煙霧探測(cè)器探測(cè)到煙霧,中央控制室將有報(bào)警,報(bào)警描述為()

A、CCR STATE LIGHT ALERT
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