2012-03-25
3
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℃
• Ambient humidity: 45%~95%
• Atmospheric pressure: 86Kpa~108Kpa
• Fire endurance rating: IP33
• Working voltage: DC18V (supply by door station or 18V power supply)
• Static current: 30A
• Static power dissipation: 0.054W
• Surface dimension: 85*85*45mm
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