The SPD-150 Decoder decodes and displays network cameras on monitors.
If PTZ camera control is required, the SPC-7000 can be utilized for this.
(see diagram, Ethernet is Blue, HDMI cable is Purple).
The SPC-7000 needs to be on the same network scheme as the network cameras (see the image of the Settings below). Once setup, Cameras can be added in the Device section in the Settings Menu. Please consult the operating manual on pages 12-14.