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VIDEO SWITCH PART WIRING
Wiring
① Main line inputs (connects with last video switch or door station by "+" ,"–", "Vi", "M")
② Main line outputs (connect nest video switch, if have no next video switch do not connect.)
③ Indoor phone video control terminal connect with indoor phone "V+", "G", "Vi", "M" to video switch "+",
"– ", "Vi", "M"
Technical specifications
Temperature: -40℃~70℃
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Ambient humidity: 45%~95%
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Atmospheric pressure: 86Kpa~108Kpa
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Fire endurance rating: IP33
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Working voltage: DC18V (supply by door station or 18V power supply)
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Static current: 30A
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Static power dissipation: 0.054W
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Surface dimension: 85*85*45mm
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2012-03-25
3
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