單項選擇題()由端子接線板和通信模塊組成,裝在一個完全防水、防爆機殼內(nèi),與現(xiàn)場探頭配套,主要用于接收干觸點信號

A、通信單元
B、IDC
C、通信模塊
D、DCU


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題當(dāng)中央控制室手動報警站MFS-1301被拉下時,相應(yīng)的報警描述為()

A、CCR STATE LIGHT HAZARDALARM SIREM、PRE-RELEASE BUZZER AND LIGHT、RELEASE TO CO2 PANEL CONTROL RM和ESD 2-2 TO CCP
B、CCR STATE LIGHT HAZARDALARM SIREM、PRE-RELEASE BUZZER AND LIGHT、RELEASE TO CO2 PANEL CABINETS RM和ESD 2-2 TO CCP
C、CCR STATE LIGHT HAZARDALARM SIREM、PRE-RELEASE BUZZER AND LIGHT、RELEASE TO CO2 PANEL UPS RM和ESD 2-2 TO CCP
D、CCR STATE LIGHT HAZARDALARM SIREM、PA HAZARD和ESD 3-A TO CCP

4.單項選擇題當(dāng)中央控制室10個煙霧探測器中有兩個煙霧探測器同時探測到煙霧中央控制室將有報警,報警描述為()

A、CCR STATE LIGHT ALERT
B、CCR STATE LIGHT HAZARD和ALARM SIREN
C、CCR STATE LIGHT ALERT和LCR STATE ALERT
D、CCR STATE LIGHT HAZARD,ALARM SIREN,LCR STATE LIGHT HAZARD,LCR PRE-RELEASE BUZZER AND LIGHT和LCR RELEASE TO CO2 PANEL

5.單項選擇題當(dāng)中央控制室10個煙霧探測器中任何一個煙霧探測器探測到煙霧,中央控制室將有報警,報警描述為()

A、CCR STATE LIGHT ALERT
B、CCR STATE LIGHTH AZARD和ALARM SIREN
C、CCR STATE LIGHT ALERT和LCR STATE ALERT
D、CCR STATE LIGHTH AZARD,ALARM SIREN,LCR STATE LIGHT HAZARD,LCRPRE-RELEASE BUZZER AND LIGHT和LCR RELEASE TO CO2 PANEL