Axis-communications 221 Bedienungsanleitung PDF herunterladen (Seite 40)

AXIS 221 - Unit Connectors

Unit Connectors

This section describes the following:

• The I/O terminal connector

• Power connections

• The RS-232 D-Sub Connector

I/O Terminal Connector

The 10-pin I/O terminal connector provides the interface to a solid state relay output, two

digital photo-coupled inputs, RS-485, GND and auxiliary power.

The terminal connector is used in applications for e.g. motion detection, event triggering,

time lapse recording, alarm notification via e-mail, image storage to FTP locations, etc.

• Input - Used for connecting external alarm devices and triggering images for

specific alarm-based events. The input is typically connected to a motion detector

or any other external security device, and images can be uploaded whenever the

detector is activated. Maximum 18V DC is allowed on the input.

• Output - This can drive a maximum load of 50V DC at 100mA directly or heavier

loads by connecting additional relay circuitry. If the output is used with an exter

nal relay, a diode must be connected in parallel with the load for protection

against any voltage transients.

Caution!

Connecting AC to the inputs/outputs will damage the unit.

10-pin I/O terminal connector

12345678910

connector

Power

block

connector

Power adapter

RS-232 connector

(including RS-485)

AC AC

GND DC+

Connect DC power (7-24V) on pins 1 and 2.

Connect AC power (10-24V) on pins 2 and 3.

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Axis-communications 221 Bedienungsanleitung Seite 40