2N Helios IP Uni v2.1 - Manual (Page 18)

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2N TELEKOMUNIKACE a.s., www.2n.cz
®
External Power Supply
An external 12 V power supply is connected to terminal block POWER. Use a 12 V ±15
% DC power source dimensioned to current intake of 2 A at least (Part No. 91341481E)
to ensure a reliable function of your device.
PoE Supply
2N
®
Helios IP Uni is compatible with the PoE 802.3af (Class 0 – 12,95 W) technology
and can be supplied directly from the LAN via compatible network elements. If your
LAN in incompatible, insert the PoE injector, Part No. 91758100E, between 2N
®
Helios
and the nearest network element. IP Uni
Electric Lock Connection
2N® is equipped with an electrically isolated relay switch with NO and NC Helios IP Uni
contacts (terminal block RELAY1, up to 30 V / 1 A AC/DC) and 8 up to 12 V
DC depending on power supply (PoE: 9 V; adaptor: power supply voltage minus 2 V),
max 500 mA, switched output (terminal block OUT1), to which a standard electric lock
or another compatible electrical appliance can be connected.
Tamper Switch Connection
2N
®
Helios IP Uni is equipped with a tamper switch for detection of unauthorized
penetration into the device. After correct and complete installation of the device the
tamper switch is closed. Tamper switch opens immediately when the front panel is
removed. Tamper switch contacts are available on terminal block TAMPER SWITCH.
Device Resetting
2N
®
Helios IP Uni is equipped with a RESET button. Push the button for more than
10 s to reset the factory default values, deleting all the data stored in the device. Push
the button shortly (< 1 s) to restart the device without changing its configuration.