Vivotek VS2403 User Manual download pdf (Page 12)

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9 Opto-isolated sensor input 1(+) Max. 50mA, 12V DC

10 Opto-isolated sensor input 1(-) Ground

11 Opto-isolated sensor input 2(+) Max. 50mA, 12V DC

12 Opto-isolated sensor input 2(-) Ground

13 RS485 A D+, non-inverting

14 External power input Min. 1.5A, 12~15V AC or DC

15 External power input Min. 1.5A, 12~15V AC or DC

16 Relay output 3 – Normal Open Max. 1A, 24V DC or 0.5A, 125V AC

17 Relay output 3 – Common Short with NC at initial state

18 Relay output 3 – Normal Close Max. 1A, 24V DC or 0.5A, 125V AC

19 Relay output 4 – Normal Open Max. 1A, 24V DC or 0.5A, 125V AC

20 Relay output 4 – Common Short with NC at initial state

21 Relay output 4 – Normal Close Max. 1A, 24V DC or 0.5A, 125V AC

22 Opto-isolated sensor input 3(+) Max. 50mA, 12V DC

23 Opto-isolated sensor input 3(-) Ground

24 Opto-isolated sensor input 4(+) Max. 50mA, 12V DC

25 Opto-isolated sensor input 4(-) Ground

26 RS485 B D-, inverting

Power source

Pair of pin 14, 15 of AC or DC input is a replacement with the power adapter in case the

range cannot meet the requirement. The voltage of the power source can be AC or DC

and should fall in the range between 12V and 15V. Polarity does not matter. The DC

output through Pin 1, 2 is fed from power adapter of Video Server or pin 14 and pin 15

if an external power source is attached. The current of external devices is limited to less

than 500mA.

The power adapter of Video Server and the external power supply are prohibited to

exist together. Only one source can feed power to Video Server. Improper usage will

result in serious damage.

RS485 interface

The PTZ control commands can be directed through pin 13 and pin 26 to control the PTZ

cameras. If the distance from the controlled device is too far to allow accurate function,

an external power source may be used to amplify the RS485 signal.

Digital I/O control

Video Server provides four pairs of digital inputs and four sets of relay switches. Pin 9 to

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 83 84

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Vivotek VS2403 User Manual Page 12