Unit Connectors. Axis 0232-054, 0232-084, 0232-004, 0232-024, 240Q 4-Port Video Server, 240Q 4-Port Blade Video Server, 240Q Video Server

AXIS 240Q - Unit Connectors 47

Unit Connectors

The following connectors are described in this section:

• The D-Sub Connector, on page 47

• The I/O Terminal Connector, on page 48

• COM Ports RS-232 and RS-485, on page 49

The D-Sub Connector

The AXIS 240Q provides one 9-pin D-sub connector, providing the physical interface for an RS-232 port, used for connecting accessory equipment, such as PTZ devices for the remote control of connected video cameras.

Pin assignment table and pinout of the RS-232 connector:

6

7

4

5

8

9

2

3

Pin

1

Function

CD

- RXD

- TXD

DTR

GND

DSR

RTS

CTS

RI

1

6

2

7

3

8

4

9

5

48 AXIS 240Q - Unit Connectors

The I/O Terminal Connector

This section describes the pinout and interface support provided by the 12-pin I/O terminal connector, which includes:

• 4 digital transistor outputs

• 4 digital inputs

• an RS-485 interface

• auxiliary power and GND

The terminal connector is used in applications for e.g. motion detection, event triggering, time lapse recording, alarm notification via email, image storage to FTP locations, etc.

• Inputs - e.g. a push button. If the button is pressed, the state changes, and the input will be active (shown under Event Configuration > Port Status).

• Outputs - e.g. an alarm device that can be activated from Output buttons on the

Live View page or as an action to an Event Type. The output will show as active

(in Event Configuration > Port Status), if the device is activated.

8

9

6

7

10

4

5

2

3

Pin Function Description

1 Auxiliary DC Power Input 7-20 VDC/min 7W. Electrically connected in parallel with PS-k power connector, provides an auxiliary connector for mains power to the unit.

If the product is powered via this pin, use a fuse (Fuse rating: 1A Slow).

This pin can also be used to power auxiliary equipment, max 100mA

GND

Digital Input 1

Digital Input 2

Digital Input 3

Connect to GND to activate or leave floating (or unconnected) to deactivate.

11

12

Digital Input 4

Transistor Output

Transistor Output

Transistor Output

Transistor Output

RS-485 - A (non-inverting)

RS-485 - B (inverting)

With a maximum load of 100mA and maximum voltage of 24V DC, this output has an open-collector NPN transistor with the emitter connected to pin 2 (GND). If it is to be used with an external relay, a diode must be connected in parallel with the load for protection against any voltage transients.

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

The AXIS 240Q includes one (green) 12-pin terminal block. Connect input/output devices to this block:

1. Loosen the corresponding screw on top of the pin (see the table above to determine which pin to use).

2. Push the cable into the connector and secure it by fastening the screw.

3. Once all devices are connected, connect the terminal block to the video server’s terminal connector.

AXIS 240Q - Unit Connectors 49

Schematic Diagram - I/O Terminal Connector

3.3V

RS-485

A

B

Switch

Mode

Power

Supply

AXIS 240Q

Video Server z

GND

+ o

PS-K 9V o

1 o e.g. push button

2 o z

3 o

4 o

5 o z

6

7 o

8 o z 9 o z

10 o z

GND PIN 5

11 o

12 o o z

RS-232

D-SUB

Relay

Device o o o

COM Ports RS-232 and RS-485

The COM Ports RS-232 and RS-485 support several operational modes:

• Generic TCP/IP - enables the video server to receive status/data and send commands via TCP/IP

• Generic HTTP - enables the video server to receive status/data and send commands via HTTP

• Pan Tilt Zoom (PTZ) - for controlling a PTZ device. A PTZ device requires a driver

for its function. Please see page 27 for information on how to connect PTZ

devices. Drivers can be obtained from www.axis.com