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abadguy
級別: 略有小成
精華主題: 0
發(fā)帖數量: 289 個(gè)
工控威望: 483 點(diǎn)
下載積分: 1506 分
在線(xiàn)時(shí)間: 235(小時(shí))
注冊時(shí)間: 2012-08-21
最后登錄: 2025-05-21
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樓主  發(fā)表于: 2020-08-04 11:08
485主站帶10個(gè)從站，從站距離3公里，請教如何對485線(xiàn)進(jìn)行延長(cháng)，用485中繼還是485轉光纖延長(cháng)？
yuanych
好事壞事，終成往事，一切都是最好的安排。
級別: 工控俠客
精華主題: 0
發(fā)帖數量: 28 個(gè)
工控威望: 2023 點(diǎn)
下載積分: 1055 分
在線(xiàn)時(shí)間: 159(小時(shí))
注冊時(shí)間: 2020-01-09
最后登錄: 2024-11-10
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1樓  發(fā)表于: 2020-08-05 08:39
485服務(wù)器加光纖

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