Axis Q7406 Video Encoder Blade Manual de usuario descargar pdf (Pagina 36)

AXIS Q7406 - Unit connectors

Unit connectors

DIP Switches - Each video input has a corresponding line termination DIP switch. Axis blade video encoders are supplied with

the line termination enabled for each input; that is, with the DIP switches set to ON (up position).

To connect the video input in parallel with other equipment, disable the input termi

nation by setting the corresponding DIP

switch to OFF (down position). Failure to do so may affect the image quality negatively.

Bus Connector - This is the physical interface to the video encoder rack,

providing power, network and the I/O terminal

connector.

Control Button - This button is used to reset the video encoder to th

e factory default settings. See Overview, on page 4.

Reset Button - This button disconnects and reconnects

power to the video encoder. See Overview, on page 4.

Video Inputs - The AXIS Q7406 supports 6 video sources (VIDEO 1 - VIDEO 6). Each video

input is terminated using a

coax/BNC connector. Physical connections made using 75 Ohm coaxial video cable have a recommended maximum length of

800 feet (250 meters).

I/O Terminal Connector(s) (AXIS 291 1U) - Provides the physical interface to 2 configurable inpu

t/outputs on channels 1-2,

and 1 configurable input/output for channels 3-6. Video input 1 on each blade also provides an RS-485 interface, usually used

for connecting Pan Tilt Zoom devices. See Pin assignments, on page 36 for pin assignment information.

I/O Terminal Connector(s) (AXIS Q7900) - Provides the physical interface for up to 12

input/outputs. See Pin assignments,

on page 36 for pin assignment information.

RS-485 Connector (AXIS Q7900) - Usually used for connecting Pan Tilt Zoom devices. See Pin assi

gnments, on page 36 for

pin assignment information.

Pin assignments

Pin assignments for the I/O Connector of the AXIS 291 1U Video Server Rack

Note:

For I/O unit connector information for the AXIS Q7406 see page 37. For other video encoders, refer to their respective

Installation Guide for I/O connector information.

Pin Function Description

1 +12V out, 100mA

2 GND

3 Channel 1, Configurable I/O 1 Digital input - Connect to GND to activate, or

leave float

ing (or unconnected) to deactivate.

Digital output - Uses an open-drain NFET tran-

sistor with the source connected to GND. If used

ith an external relay, a diode must be con-

nected in parallel with the load, for protection

gainst voltage transients.

Min input = - 40V DC

Max input = + 40V DC

Max load = 100mA

Max voltage = + 40V DC

(to the transistor)

4 Channel 2, Configurable I/O 1

5 Channel 3, Configurable I/O 1

6 Channel 4, Configurable I/O 1

7 Channel 5, Configurable I/O 1

8 Channel 6, Configurable I/O 1

9 Channel 1, Configurable I/O 2

10 Channel 2, Configurable I/O 2

11 Channel 1, RS485A

(non-inverting) (Video input 1)

A half-duplex RS-485 interface for controlling auxiliary equipment e.g. PTZ

devices.

12 Channel 1, RS485B

(non-inverting) (Video input 1)

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 47 48

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Axis Q7406 Video Encoder Blade Manual de usuario Pagina 36

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