HDM2101消(xiao)防(fang)(fang)(fang)電話(hua)(hua)(hua)系統(tong)是建筑物消(xiao)防(fang)(fang)(fang)系統(tong)中(zhong)重要(yao)的消(xiao)防(fang)(fang)(fang)設備。多(duo)(duo)線制消(xiao)防(fang)(fang)(fang)電話(hua)(hua)(hua)具有工(gong)作可靠、施工(gong)簡單、通(tong)話(hua)(hua)(hua)清晰(xi)、覆蓋范圍(wei)寬廣、易于(yu)維護等特點，是當前(qian)眾多(duo)(duo)消(xiao)防(fang)(fang)(fang)通(tong)信(xin)產(chan)品中(zhong)的主(zhu)(zhu)流產(chan)品。系統(tong)主(zhu)(zhu)要(yao)由消(xiao)防(fang)(fang)(fang)設備電源、消(xiao)防(fang)(fang)(fang)電話(hua)(hua)(hua)主(zhu)(zhu)機(ji)和多(duo)(duo)個(ge)品種(zhong)的消(xiao)防(fang)(fang)(fang)電話(hua)(hua)(hua)分(fen)機(ji)構成，其(qi)中(zhong)消(xiao)防(fang)(fang)(fang)電話(hua)(hua)(hua)主(zhu)(zhu)機(ji)內可裝5塊(kuai)用戶(hu)板，每塊(kuai)用戶(hu)板可有8個電話(hua)分(fen)機(ji)端口，每個端口可接消防電話(hua)分(fen)機(ji)4部(bu)，共計可接消防(fang)電話分(fen)機32部。另外(wai)用戶板電(dian)話分機端口(kou)還可(ke)選擇多線制消防(fang)電(dian)話插(cha)孔接駁，每(mei)個端口(kou)最多可(ke)接駁6個消防電話(hua)插孔(kong)，整套系統最多接(jie)駁數量不(bu)大于1000個，形成較大的消防電(dian)話覆蓋范圍，系(xi)統(tong)中(zhong)設(she)有末端(duan)檢測(ce)電(dian)阻，用于(yu)判(pan)斷(duan)各分(fen)路(lu)(lu)是否出現短路(lu)(lu)、斷(duan)路(lu)(lu)故障，除此以外(wai)本系(xi)統(tong)還設(she)計(ji)有其它諸多易于(yu)使用、便于(yu)安裝的人性優異功(gong)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.