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  • These devices are designed to limit overvoltages on the telephone line.Overvoltages are normally caused by a.c.power sys

    These devices are designed to limit overvoltages on the telephone line.Overvoltages are normally caused by a.c.power system or lightning flash disturbances which are induced or conducted on to the telephone line.A single device provides 2-point protection and is typically used for the protection of 2-wire telecommunication equipment (e.g.between the Ring and Tip wires for telephones and modems).
    其他人氣:450 ℃時(shí)間:2020-06-16 18:13:55
    優(yōu)質(zhì)解答
    這些裝置的目的是限制過電壓的電話線路.過電壓一般造成的交流電源系統(tǒng)或雷電干擾誘導(dǎo)或進(jìn)行的電話線.一個(gè)設(shè)備提供2點(diǎn)保護(hù)與通常用于保護(hù)雙線通信設(shè)備(如環(huán)和尖端電線電話和調(diào)制解調(diào)器).
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