User Manual

User Manual of Digital Video Recorder User Manual
22
No.
Item
Description
output and menu. HDMI and VGA display the same image(s).
7
AUDIO OUT
RCA connectors for audio playback through VGA or CVBS monitor
8
Network Interface
Connector for LAN/WAN network interface
9
RS-485 Interface
Connector for RS-485 devices. T+ and T- pins connect to R+ and R-
pins of PTZ receiver respectively.
D+, D- pin connects to Ta, Tb pin of controller. For cascading
devices, the first DVR’s D+, D- pin should be connected with the
D+, D- pin of the next DVR.
Connectors (16) for alarm inputs.
Connectors (4) for alarm outputs.
10
Power Supply
AC 100 ~ 240V power supply.
11
Power Switch
Switch for turning power on/off (“hard” power off).
12
GND
Ground
13
LINE IN
BNC connector for two-way audio input.
14
eSATA
Connects external SATA HDD, CD/DVD-RW.
15
RS-232 Interface
Connector for RS-232 (future use)
1.7 EZHD-TRF Peripheral Connections
Wiring of Alarm Inputs
The alarm inputs require an open/closed relay or other ‘dry’ contact. To connect the alarm input to the device, use the following diagram.
If the alarm input is not an open/close relay or ‘dry’ contact, please connect an external relay between the alarm input and the device.
Wiring of Alarm Outputs
To connect to an alarm output (AC or DC load), use the following diagram: