9
SVC400P/SVC800P - Installation Manual
All alarm outputs are PWL outputs, drive ability is 200MA, and the voltage is +12V, if you need more than that, please connect to
an external relay. An alarm output photoelectric wiring diagram is as follows:
9.3 Specifications for 485 and 232 serial ports
There are two 485 serial ports and two 232 serial ports, the functions are the same.
These serial ports can connect to accessories purchased from Shenzhen Streaming Video Technology, such as the inertia sensor
(acceleration), control panel, PTZ, station announcement, and the card reader etc.
Please Note:
485A means 485+, 485B means 485-
SETUP > PERIPHERAL > EXT.COM SETUP
MODE:
There are STANDARD and BUS MODE two options, when select standard mode, you can select each external port for
each COM, when select Bus mode, COM1 is station announcement, COM2 is amplifier board, unchangeable, COM3 and COM4 is
changeable.
Please Note
: COM1 means 232RXD-1, COM2 means 232RXD-2, COM3 Means 485-1, COM3 Means 485-2. PTZ is recommended
connect to COM3 or COM4.
24V
MDVR’S Alarm output
Stoplight
+24V
Braking vane
Connect to MDVR’S sensor input
