Maxtor 16Channel Stand Alone DVR Manual de usuario descargar pdf (Pagina 42)

Figure 3-16

You can refer to the following sheet for alarm input and output information.

Parameter

Grounding Alarm

Ground line

Alarm Input 1, 2, …, 16.. It becomes valid in low voltage.

1-NO C，

2-NO C，

3-NO C

Three NO activation outputs.

485 A/B 485 communication port. They are used to control devices such as

PTZ. Please parallel connect 120Ω between A/B cables if there are

too many PTZ decoders.

One type of the alarm port is shown as in Figure 3-17.

Figure 3-17

You can refer to the following sheet for alarm input and output information.

Parameter

Grounding Alarm

Ground line

Alarm Input 1, 2, 3, 4. It becomes valid in low voltage.

NO C One NO activation output.

485 A/B 485 communication port. They are used to control devices such as

PTZ. Please parallel connect 120Ω between A/B cables if there are

too many PTZ decoders.

3.7.2 Alarm Input Port

Please refer to the following sheet for more information. See Figure 3-18.

z Normal open or Normal close type

z Please parallel connect COM end and GND end of the alarm detector (Provide external

power to the alarm detector).

z Please parallel connect the Ground of the DVR and the ground of the alarm detector.

z Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)

z Use the same ground with that of DVR if you use external power to the alarm device.

AB connection

port

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Maxtor 16Channel Stand Alone DVR Manual de usuario Pagina 42