AVE MV DR4000 - Manual (Page 10)

8
2.2 Rear View
RS-232
ALARM DC12V
RS-485
hi-z
75
AUDIO
IN
IN
OUT
OUT
MONITOR
CH1 CH2 CH3 CH4
ETHERNET
I/O
25
31 32 33
26 28
29 30 34 35 36 37
VIDEO IN Connector: These 4 BNC connectors are used to connect the video output from a camera
Hi-Z/75 Ω Individual termination: These 4 switches are used to set the impedance of each loop
between 75Ω and Hi-Z.
RS-232 Port: The RS-232 communication port functions as a connector to an external control device.
Please refer to RS-232 & RS-485 Protocol for more details.
MONITOR Connector: The connector provides the unit’s composite video to a display device.
AUDIO OUT: This connector is used to connect the device’s audio input.
AUDIO IN Connector: This connector is used to connect the audio output from a camera or other
devices to the DVR.
ETHERNET 10/100 Connector: This is one standard RJ-45 connector for 10/100 Mbps Ethernet
networks.
RS-485 Port: The RS-485 communication ports function as connectors when two or more units are
serially connected to an external control device.
ALARM I/O: This is a 9-PIN D-SUB connector including SWITCH OUT, GROUND, ALARM OUT, DISK
FULL, RECORD IN, ALARM RESET, and ALARM IN for connecting with external devices. Please
refer to the next section for details.
Wire Catch: The wire catch secures the power cord and keeps it in place (so that it does not droop or
hang loosely).
Ground Screw’s: The ground screw is for chassis terminal.
DC Power Jack: The inlet connects to the external power supply. 12 VDC, 5A UL Listed Class 2
Power Supply.