![](/images/new-backgrounds/1126130/12613041x1.webp)
CONNECTING ALARMS
The DX4500/DX4600 provides a numbered terminal block for connecting alarm devices. Alarms are programmed for normally open or normally closed inputs.
1.Using a small screwdriver (or similar tool), push in one of the alarm terminal block wire retainers (1 to 4, 5 to 8, 9 to 12, or 14 to 16).
2.Connect one wire from the alarm device to the receptacle of the depressed retainer, and then release the retainer.
3.Push in one of the alarm ground terminal block retainers.
4.Connect the second wire from the alarm device to the ground receptacle.
5.Repeat steps 1 through 4 for any additional alarm devices to be connected to the DVR.
Figure 10. Connecting Alarm Devices
The following table describes pinouts for the alarm terminal block.
Table F. Alarm Terminal Block Description
Terminal | Alarm Input | Terminal | Alarm Input |
|
|
|
|
1 | 1 | 9 | 9 |
|
|
|
|
2 | 2 | 10 | 10 |
|
|
|
|
3 | 3 | 11 | 11 |
|
|
|
|
4 | 4 | 12 | 12 |
|
|
|
|
G | Ground | G | Ground |
|
|
|
|
5 | 5 | 13 | 13 |
|
|
|
|
6 | 6 | 14 | 14 |
|
|
|
|
7 | 7 | 15 | 15 |
|
|
|
|
8 | 8 | 16 | 16 |
|
|
|
|
G | Ground | G | Ground |
|
|
|
|
21 |