Vivotek VS2403 - Manual (Page 11)

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Rear Panel
Ethernet 10/100 socket
Connect to an Ethernet network with a UTP category 5 cable of length shorter than 100
meters according to the standard.
COM port
This RS232 serial port is dedicated to control the PTZ cameras attached to COM port.
General I/O terminal block
Video Server provides a very flexible general I/O interface to combine with the user’s
security devices such as sensors, alarms, lighting or door locks. Two green connectors
are included in the package to connect the external devices. The general I/O terminal
block has 26 pins for device control. These pins can be divided into three categories
based on their functions, including power source, RS485 and digital inputs and outputs.
No. Pin description
Regulation
1 DC power output(-) Max. 500mA at 12V DC
2 DC power output(+) Max. 500mA at 12V DC
3 Relay output 1 – Normal Open Max. 1A, 24V DC or 0.5A, 125V AC
4 Relay output 1 – Common Short with NC at initial state
5 Relay output 1 – Normal Close Max. 1A, 24V DC or 0.5A, 125V AC
6 Relay output 2 – Normal Open Max. 1A, 24V DC or 0.5A, 125V AC
7 Relay output 2 – Common Short with NC at initial state
8 Relay output 2 – Normal Close Max. 1A, 24V DC or 0.5A, 125V AC