Bedienungsanleitung Doorbird A1101 Series IP Video Indoor Station (Seite 9 von 68) (Deutsch, Englisch, Französisch, Spanisch)

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The provided mains adaptor is only capable

to power one device. It is not designed to

power multiple devices simultanously.

If you must power more than one device

with one power supply, we recommend to

use a PoE-Switch with PoE Standard IEEE

802.3af Mode A or an appropriate DIN rail

power supply (see “OPTION 3”).

NOTICE Do not plug the power supply unit into the

wall socket yet.

Only use the power supply unit (see

“OPTION 3”) provided along with the device,

or a DIN-rail power supply unit that you

can obtain from us separately, since this

has been specially stabilized electrically

and is equipped with an integrated audio

interference reduction device. Other

power supply units may destroy the device

or cause poor transmission quality. The

warranty automatically expires if you use a

different power supply unit.

The power supply unit is plugged into a

wall socket inside your house (Step 10),

usually where the two wires from your

assembly location come out of the wall in

the interior of the house.

The provided mains adapter is not

outdoor-ready, it is for indoor-use only.

OPTION 

Power supply and network connection

using PoE (Power over Ethernet)

To power the device via a PoE-Switch (e.g. D-Link

DGS-1008P) or PoE-Injector (e.g. DoorBird Gigabit PoE

Injector A1091), use a CAT.5 cable or higher in accor-

dance with the PoE standard IEEE 802.3af Mode A.

A CAT.5 cable or higher must be used for this purpose,

as network signals can only be transmitted over com-

pletely insulated, shielded and twisted cables. If you

use PoE as a source of power, the four wires for PoE

then simultaneously form the data line. The device

will not start if your PoE-Switch/PoE-Injector does not

support the PoE Standard IEEE 802.3af Mode A.

Please check www.doorbird.com/poe for known

incompatibilities.

If you must power more than one device

with one power supply, we recommend to

use a PoE-Switch with PoE Standard IEEE

802.3af Mode A or an appropriate DIN rail

power supply (see “OPTION 3”).

Theoretically (not recommended by us!), an

unshielded, but over the whole length (max.

80 m/262 ft) twisted bell wire with two pairs

of wires (first twisted pair of wires: ”T+, T-“,

second twisted pair of wires ”R+, R-“) can be used for

the network and PoE transmission as an alternative

to a Cat.5 network cable or better. This is comparable

to a Cat.3 network cable. In this case, however, we

cannot guarantee the data throughput or the stability

of the network connection and power supply; this

must be measured and checked on site by qualified

personnel over several hours (network data is

transmitted at high frequency, therefore a shielded

Cat.5 network cable twisted in pairs or better must

normally be used).

NOTICE Do not combine the power supply from the

power supply unit (mains adaptor) with the

power supply via PoE.

You can ﬁnd further information about PoE here:

www.doorbird.com/poe

1. Disconnect the PoE-Switch or PoE-Injector

from the power grid.

2. Place the network cable in the installation

site of the device.

OPTION 

Power supply using a DIN rail power

supply unit

Alternatively to the mains adapter, we offer DIN rail

power supplies in our online shop, which can be in-

stalled by a specialist. The network connection is then

made via a network cable or alternatively via WiFi.

If you must power more than one device

with one power supply, we recommend to

use a PoE-Switch with PoE Standard IEEE

802.3af Mode A or an appropriate DIN rail

power supply.

Planning information to power multiple devices

with a single DIN rail power supply unit

You must plan the cabling for the DIN rail power

supply of the devices carefully, if you want to install

more than one device in your building with a single

DIN rail power supply unit.

The device has a power consumption of 5 Watt and

an input voltage range from 15 to 48 VDC.

Each cable / wire has a specific load limit and loop

resistance and power loss for physical reasons. The

planning of the cabling, maximum number of devices

and power supply depends on this. The following

information will help you to plan the power supply

installation in the building.

Please calculate the maximum number of

devices and the power supply carefully,

matching to the wire diameter and cable

length. Wrong calculation and installation

can lead to overheating, damage, electrical

short and fire.

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