
- 12 -
7.
RS-232 Connector
Connect this connector to PTZ camera(s).
8.
RS-485 Connector
Connect this connector to RS-485 compatible PTZ camera(s). Please refer to the manuals
come with the RS-485 compatible devices for the correct settings.
9.
Alarm Output Connectors (ALARM OUT 1-2)
Connect these connectors to 1 Normally Closed (NC) alarm outputs (1) and 1 Normally Open
(NO) alarm outputs (2).
10.
Alarm Input Connectors (ALARM IN 1-4)
Connect these connectors to external devices such as sensors or door switches.
11.
Ethernet Connector
Connect this unit to a 10/100Base-T Ethernet network through this port.
12.
NTSC/PAL Selector Switch
Set this unit to NTSC or PAL according to the local TV system.
13.
Power Cord Inlet (POWER IN)
For DC-IN model, connect DC 12V-5A power source to DVR.
14.
USB connector (USB)
Connect to USB 2.0 compatible storage device, such as USB 2.0 disk drive, DVD+RW, card
reader, etc. Please note that the maximum USB current for the DVR is 500mA.
15.
Mouse plug port
16.
Power Switch (POWER)
Turn the power of this unit on/off.
SCW-7704 User Manual
SCW-7704 User Manual