User Manual
Contents
1. e 4 3 Gateway Mode In this mode the first door station can call all the monitors and can connect 7 BDUs at most DBC4A 8 BDU 8 Wiring diagram Specification Power Supply Power consumption Working Temperature Wiring Dimension DC24V Standby 13 5mA Working 156mA 15 C 55 C 2 wire non polarity 90 H x72 W x60 D mm The design and specifications can be changed without notice to the user Right to interpret and copyright of this manual are preserved2. Used to video Impendence match set to ON Hu INDICATORS 1 Bus IN Always on when connect to net 2 Bus OUT Always on when connect to monitor 3 Tx Rx Flashes when communicating 4 In Use Always off when in standby mode In working state flashes when in automatic gain mode In working state always on when in fixed gain mode BUTTONS 1 PA In working mode each time you press PA button to reduce the video gear a grade no longer reduce when the gear is 1 Not saved Specific gears are indicated by 4 indicators 2 PB In working mode each time you press PB button to increase the video gear a grade no longer reduce when the gear is 6 Not saved Specific gears are indicated by 4 indicators 3 NoRoute In working mode press NoRoute button Use 4 LEDS to indicate current gear gain In working mode press and hold NoRoute button for 3 seconds to switch the working mode In User will indicate If PA and PB button have been pressed that is have made the adjustment of video amplitude the current adjusted gear of video gain will be saved 4 Amp ON In standby mode press Amp ON button it will be forced into working mode audio video power supply open In working mode press Amp ON button it will be forced into standby mode audio video power supply closed Video Gain Gears Gear gain indication All indicators off then use Bus IN Bus OUT Tx Rx indicators to shown the curr
3. DPA D2 BDU MtendlLan amplifer User Manual 2 Wire System Bus Amplifier Model BDU ne O O Bus IN Bus OUT PA PB o o O O Tx Rx In Use NoRoute Amp ON Please read this manual carefully before using the product you purchase and keep it well for future use We reserve the right to modify the specification in this manual at any time without notice 1 About BDU Unit Discription The BDU unit is bus amplifier unit and networking component designed for 2 wire system 2 Terminal Description PILI WY 654321 oe m m m m Model BDU DIP Setting Bit 1 to Bit 2 are used to BDU working modes setting Bit 3 to Bit 5 are used to address settings Bit 6 is used to video Impendence match The detail settings of DIP are as follows Set to the Repeater mode Set to the Router mode Bit 1 Bit 2 Set to the Gateway mode Reserved Set to the first BDU Set to the second BDU Set to the third BDU x Set to the fourth BDU Bit 3 Bit 5 Set to the fifth BDU Set to the sixth BDU Set to the seventh BDU Set to the eighth BDU
4. ent video gain gears Bus IN Bus OUT TxRx ee ae ee Gear2 o o Ser3 o Sera oO 0 Gears Oo Gers o NOTE It shows that the indicator ON it shows that the indicator OFF 3 Unit Mounting Step1 Mount the din rail to ae the wall with screws Step2 Pull down the mounting buckle then hang the unit on din rail Din rail Mounting Buckle 4 Working Mode Wiring 4 1 Repeater Mode Line amplifier BDU can extend the distance of DT system when works in repeater mode As follows Max 140m from the first door station to BDU Max 140m from the last indoor monitor to BDU E BDU Wiring diagram q Medang aman BDU Eo Oo m lel 4 2 Router Mode Use 8 BDUs at most in this mode Wiring diagram
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