LT Security LTD1651M5 - Manual (Page 15)

6. 3CH composite Video Output and 1 S-Video Output
Two video output (MON1 and MON2) and one S-Video are used to monitor live,
playback pictures. They are same video output. The other is used to monitor SPOT
output which displays all of connected video channels sequentially.
7. VGA Output
VGA output can be connected to LCD monitor or CRT monitor with progressive scan
directly which can receive analog R, G, B and synchronization signals.
8. RS232C (It can be utilized for future option.)
9. And 10. Alarm input and relay output:
(16 alarm inputs and 4 relay output with NO, NC)
To make secure connections on the Alarm Connector Strip, press and hold the button
and insert the wire in the hole below of connector pin. After releasing the pin, pull
gently on the wire to make certain it is connected. To disconnect a wire, press and
hold the connector pin above the wire and pull out the wire.
16 Alarm Inputs: 1,2,3,4,…, 16,G(Ground)
You can use external devices to signal the DVR responding to events. Mechanical or
electrical switches can be wired to the Alarm Inputs and GND (Ground) connectors.
The threshold voltage is 4.3V and should be stable at least 0.5 seconds to be detected.
G (Ground), COM (common): G is same as common.
Connect the ground side of the Alarm input to G (Ground). Connect the ground side of
relay output to COM connector.
4 Relay output:
4 relay output with NO or NC can be sent to external device. You can select NO or NC
, according to characteristic of mechanical or electrical switch.
11. RS485: For camera pan and tilting control
PTZ cameras can be controlled remotely through this RS485 port. The RS485
connector can be used to control PTZ (pan, tilt, zoom) cameras. Connect RX+, RX- of
the control system to the TX+, TX- (respectively) of the DVR.
12. Ethernet Port: RJ45 jack
Connect a Cat5 cable with an RJ-45 jack to the DVR connector. Remote PC viewer
software via network enable you to access live viewing, searching and other available
functions.
10