HDM2101消(xiao)(xiao)(xiao)防(fang)(fang)(fang)電(dian)(dian)話(hua)(hua)系統是建筑物消(xiao)(xiao)(xiao)防(fang)(fang)(fang)系統中(zhong)重要(yao)的(de)消(xiao)(xiao)(xiao)防(fang)(fang)(fang)設備(bei)。多線制消(xiao)(xiao)(xiao)防(fang)(fang)(fang)電(dian)(dian)話(hua)(hua)具有工(gong)作可靠(kao)、施工(gong)簡單(dan)、通話(hua)(hua)清晰(xi)、覆(fu)蓋范圍寬(kuan)廣、易于維護等特點，是當前眾多消(xiao)(xiao)(xiao)防(fang)(fang)(fang)通信產品(pin)中(zhong)的(de)主流產品(pin)。系統主要(yao)由消(xiao)(xiao)(xiao)防(fang)(fang)(fang)設備(bei)電(dian)(dian)源、消(xiao)(xiao)(xiao)防(fang)(fang)(fang)電(dian)(dian)話(hua)(hua)主機和多個(ge)品(pin)種的(de)消(xiao)(xiao)(xiao)防(fang)(fang)(fang)電(dian)(dian)話(hua)(hua)分(fen)機構(gou)成，其中(zhong)消(xiao)(xiao)(xiao)防(fang)(fang)(fang)電(dian)(dian)話(hua)(hua)主機內可裝5塊(kuai)用(yong)戶板(ban)，每(mei)塊(kuai)用(yong)戶板(ban)可有8個(ge)電(dian)話(hua)分(fen)(fen)機端口，每個(ge)端口可接消防電(dian)話(hua)分(fen)(fen)機4部，共計可接消防(fang)電話分(fen)機32部。另外用(yong)戶板電話分(fen)機端(duan)口(kou)還可選(xuan)擇(ze)多(duo)線(xian)制(zhi)消防電話插孔接駁，每個端(duan)口(kou)最多(duo)可接駁6個(ge)消(xiao)防電話插孔，整套系統(tong)最多接駁數(shu)量不大于1000個，形成較大的消防電話(hua)覆蓋范圍，系(xi)統(tong)中(zhong)設(she)有末(mo)端(duan)檢測(ce)電阻，用于(yu)判斷(duan)各分(fen)路是否出現短路、斷(duan)路故障(zhang)，除此以外本系(xi)統(tong)還設(she)計(ji)有其(qi)它諸多易于(yu)使用、便于(yu)安裝的人性優異功能。HDM2101 conventional fire telephone system as one key part of emergency communication, is highly reliable, provides high quality of voice and is easy for maintanence. HDM2101 exchange panel may have 8 to 40 loop zones configeration refer to field requirements, every 8 loops are integrated on one loop interface broad, where the exchange panel may have up to 5 loop interface broad. For each loop zone, the system allows to connect 4 telephone extensions or 60 telephone jacks, while 1000 communication spots at total are supported in system.