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22 en | Installation VideoJet X20
V3.5 | 2007.12 Installation and Operating Manual Bosch Security Systems
4.3.7 Data Interface
The bidirectional data interface is used to control units connected to the VideoJet X20, for
example a dome camera with motorized lens. The connection supports the RS232, RS422 and
RS485 transmission standards.
The VideoJet X20 offers the serial interface via the orange terminal block (see
Section 8.7 Terminal Block, page 116).
The range of controllable equipment is expanding constantly. The manufacturers of the
relevant equipment provide specific information on installation and control.
4.3.8 Alarm Inputs
The VideoJet X20 has four alarm inputs on the orange terminal block (see Section 8.7 Terminal
Block, page 116). The alarm inputs are used to connect to external alarm devices such as door
contacts or sensors. When configured appropriately, an alarm device can, for example, trigger
the VideoJet X20 to automatically establish a connection with a remote station.
A zero potential make contact or switch can be used as the actuator.
X Connect the lines to the appropriate terminals on the orange terminal block (IN1 to IN4)
and check that the connection is secure.
!
CAUTION!
Please take note of the appropriate documentation when installing and operating the unit to
be controlled.
The documentation contains important safety instructions and information about permitted
uses.
i
NOTICE!
A video connection is necessary to transmit transparent data.
i
NOTICE!
If possible, use a bounce-free contact system as the actuator.