DT-DBC4A1 USER MANUAL 1. Parts and Functions
Contents
1. pedance Y switch Im 100 240VAC 0n ACH 10 Elo T T Cals 7 Flo 2N co ji EX ET s is 2 2 E E O O E E amp moo F mo S miol 5 Cw e cmo amp Cw e Iv 5 Cit a Civ a ado o A Cio a 2004 2 AS aj Sm Y bmo moe Y 3 3 3 o o o 5 Specification Power Supply DC20 30V Working Temperature 10 C 40 C Wiring 2 wires non polarity Dimension 89 H x71 W x45 D mm The design and specifications can be changed without notice to the user Right to interpret and copyright of this manual are preserved DT ENG DBC4A1 V1 201511072. DT DBC4A1 USER MANUAL V1 0 20151107 Description DBC4A1 video distributor with 4 branches and isolation protection function Can be used as 4 inputs outdoor stations controller or 4 outputs indoor stations controller Separate isolation protection without affecting another devices on bus system Short circuit indication for convenient maintenance e Periodic self detection mechanism for recovery 1 Parts and Functions TR A 0 j j Impedance DBC4A1 a mos f ON e ET 1 22 Output Output O BUS A B Cc D IN USE Status indicator it will light up when receives signal POWER Working indicator it will light up when plugs in power supply Impedance Switch Video match switch the last DBC4A1 at the end of the bus should set ON to match the video impedance the power indicator will turn to orange after setting Bus Input port bus connection port A B C D Output port connect to indoor monitors or door stations Note e Operation mode Protection mode will be activated once its connected devices are short circuited and power supply for ABCD outputs will be turn off the flashing in use indicator shows the distributor is in the protection mode e Self detection System will auto check whether the short circuit is fixed or not then recover the power supply and in user indication wi
3. ll be turn off e Detection period Self detection will be happened regularly according rules and in use indicator will flash rapidly three times when check happens 1 detection will be happened in 10 seconds after short circuit 4 2 detection will be happened in 60 seconds after 1st detection 3 detection will be happened in 5 minutes after 2nd detection 4 detection will be happened in 10 minutes after 3rd detection 5 hereafter detection will be happened every 30 minutes 2 Unit Mounting oo DBC4A1 os oo DIN Rail Mounting 3 System Wiring with DBC4A1 Mulit Door Station Wiring 4 Camera 3 Camera 2 Camera 1 Camera 1D 11 1D 01 1D 10 CHIIR oN ON HR ai gt m E ksss III AC 4 100 240VAC ABCD DBC4A1 Al FEE ON A Impedance switch Note DBC4A1 applies to all door station and monitor the diagram uses DT591 as an example 29 Mulit Monitors Wiring y y dance orr ol Impe Switch 1 N b 15 DIP 6 0n Code a o a 6 a a r 1 1 1 1 1 FF ON fo
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