
13
Power In
The D4M will operate on both 12V and 24V systems. Pins 1 and 2 should be connected directly to
the positive (+) battery. Pin 3 should be connected to the positive (+) power bus bar that is
turned on when the ignition switch is in the Accessory position. Pin 4 should be connected
directly to ground.
I/O Terminal Block
• RS232C: An RS-232C connector is provided to connect external devices such as ATM or POS
machine for Text-In function.
• RS485: The RS485 connector can be used to control PTZ cameras. The D4M can also be
controlled remotely by a control keyboard.
• Alarm: alarm output connectors are provided to connect external alarms such as sirens or
lights. 2 alarm output connectors have internal relays.
• Sensor: 2 sensor input connectors are provided to connect external devices. You can use
sensors to signal the D4M with event.
Network Port
Connect a Cat5 cable with an RJ-45 connector to the D4M connector for
remote monitoring, remote playback, remote setup. See
Chapter 3-2.
D4M Configuration for configuring the Network connections.
3G (GPRS) Router can be used for the wireless network connection.
Connect 3G (GPRS) Router on the network port. For the detail usage of
3G (GPRS) Router, please contact the service provider of 3G networks or
3G (GPRS) Router manual.