1
Video Output
BNC video output port
2
Reset Switch (Reset)
Reset switch is used for restarting DN1125 or resetting DN1125 as Factory Default
(FD). Refer to ‘4.1. Factory Default Settings’ for detailed procedures.
3
USB connector
USB connector is used for connecting the USB device
with DN1125.
4
10 pin terminal block for D/I, D/O and serial communication – new version
will be RS-422/RS-485
Figure 3. 10 pin terminal block
D/I – Alarm Input
DN1125 provides 1 channel D/I (Alarm Input). It may be connected to either
voltage type sensor or relay type sensor as following Figure 4 and Figure 5. It
may be selected by software.
Please pay attention to electric characteristics during installation.
C
1
+5V
Figure 4. Voltage Type Digital Input Connection
C
1
Figure 5. Relay Type Digital Input Connection
