Panasonic CJ-HDR216 User Manual

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Panasonic CJ-HDR216 User Manual Manual pdf 29 page image

213. How to connect PTZ decodera. Ensure the decoder has the same grounding with DVR, otherwise you may not controlthe PTZ. Shielded twisted wire is recommended and the shielded layer is used to connectto the grounding.b. Avoid high voltage. Ensure proper wiring and some thunder protection measures.c.Fortoolongsignalwires,120ΩshouldbeparallelconnectedbetweenA,Blinesonthefar end to reduce reflection and guarantee the signal quality.d. “485A,B”ofDVRcannotparallelconnectwith“485port”ofotherdevice.e. The voltage between of A,B lines of the decoder should be less than 5v.4. Please make sure the front-end device has soundly earthed.Improper grounding may result in chip damage.3.7.1 Alarm Input and Output DetailsImportantPlease refer to the specifications for the alarm input and output channel amount.Do not merely count the alarm input and out channel amount according to the portson the rear panel.Figure 3-11,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 Alarm input port 1~16. The alarm becomes activein low voltage.NO1 C1,NO2 C2,NO3 C3,NO4 C4,NO5 C5 NC5There are 5 groups of alarm output ports. NO: Normal open alarm output port. C: Alarm output public end. NC: Normal close alarm output port.CTRL 12V Control power output. For external alarm, you needto close the device power to cancel the alarm.Voltage current: 500mA.12V Rated current.Voltage current: 500mA.