模拟电话KNZD-46

网络电话 SIP 3 g

隔爆电话机KNZD-46采用金属材料制成金属外观，具有火灾快速报警功能。隔爆电话具有防火防水的特点，常用于隧道、地铁、工厂等场所。隔爆电话表面有一个可粉碎的干节点。当发生火灾时，用户可以断开干节点，自动连接到广播系统，产生报警。外置隔爆电话，连报警灯，外置大功率扬声器。隔爆电话机，采用金属外壳，具有防暴力、防损坏、耐腐蚀等性能。电话特点:与大多数PABX, PBX和PAX系统配套金属机身，带SUS键盘，坚固耐用，耐高温。带铠装线的听筒助听器兼容接收器，降噪麦克风4。根据ITU-T建议K.21进行防雷防水等级为IP65 The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric, then has the effect of electromagnetism shield. 7. Can realize ring off automatically if the other side close. 8. Totally adopt SMTC craftwork keep very good quality. Fire Alarm Feature 1. Break Fire Box, the siren flash and sound 2. Press blue button to mute siren sound during telephone conversation 3. Press blue button again, the siren will continue sounding 4. Built-in addressable module and control module, making control room personnel can remote control the fire alarm system by control panel.