HDM2101消防電話系統(tǒng)是建筑物消防系統(tǒng)中重要的消防設(shè)備,。多線制消防電話具有工作可靠,、施工簡(jiǎn)單、通話清晰,、覆蓋范圍寬廣,、易于維護(hù)等特點(diǎn),，是當(dāng)前眾多消防通信產(chǎn)品中的主流產(chǎn)品。系統(tǒng)主要由消防設(shè)備電源,、消防電話主機(jī)和多個(gè)品種的消防電話分機(jī)構(gòu)成,，其中消防電話主機(jī)內(nèi)可裝5塊用戶板，每塊用戶板可有8個(gè)電話分機(jī)端口,，每個(gè)端口可接消防電話分機(jī)4部,，共計(jì)可接消防電話分機(jī)32部。另外用戶板電話分機(jī)端口還可選擇多線制消防電話插孔接駁,，每個(gè)端口最多可接駁6個(gè)消防電話插孔,，整套系統(tǒng)最多接駁數(shù)量不大于1000個(gè)，形成較大的消防電話覆蓋范圍,，系統(tǒng)中設(shè)有末端檢測(cè)電阻,，用于判斷各分路是否出現(xiàn)短路、斷路故障,，除此以外本系統(tǒng)還設(shè)計(jì)有其它諸多易于使用,、便于安裝的人性優(yōu)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.