Sennheiser ADN PS Switching the ADN PS power supply on/off

Switching the ADN PS power supply on/off

ADN CU1

ESC

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ADN PS

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Switching the ADN PS power supply on/off

The ADN PS power supplies can only be switched on when the central unit and the previous ADN PS connected in series are also switched on.

You can set up your conference system so that you can increase or reduce the number of conference units used by simply switching individual ADN PS on or off.

ADN CU1 ADN PS ADN PS ADN PS ADN PS

ON ON ON OFF OFF

ADN CU1 ADN PS ADN PS ADN PS ADN PS

ON ON OFF ON ON

Switching the conference system on

￿On the ADN CU1 central unit and the ADN PS power supplies, set the on/off switch 1 or 2 to position “I”.

The central unit switches on and its display panel lights up. The power supplies switch on and their status LEDs light up:

Status LED	Color	Meaning
POWER 5	green	ADN PS is switched on
PORT I 3/Port II 4	–	Not used, switched off
output 1/2	orange	Conference units are connected in strings
	green	Conference units are connected in
		redundant ring topology via output 1
		and 2
	flashing	Error in a cable string;
	orange	output is switched off

Switching the conference system off

￿Set the on/off switch 1 of the ADN CU1 central unit to position “0”.

The central unit is switched off and the display panel goes off. All ADN PS power supplies connected to the central unit and switched on are switched off and the status LEDs go off.

To switch individual ADN PS power supplies off:

￿Set the on/off switch 2 of the ADN PS power supply to position “0”.

The power supply is switched off and all status LEDs go off. Additional connected ADN PS power supplies are also switched off.

To completely switch the ADN CU1 central unit or the ADN PS power supply off:

￿Disconnect the mains connector of the ADN CU1 central unit or the mains connector of the ADN PS power supply from the mains power supply.

14 ADN PS