DEVICE DESCRIPTIONS

Input / Output Transformer (NRS 90232)

If need is, the paging consoles provide the possibility for with either an input transformer – in case you would like to connect audio devices to the EXT-socket – or an output transformer. For retrofitting transformers, please only use the NRS 90232 extension kit.

Brief description:

optional Audiotransformer for alternative integration to serve as input or output

 

transformer in DPC 4xxx Series paging consoles.

Supplied with the NRS 90232:

1 transformer DCN-337387

 

1 cable binder with a length of 142mm

CAUTION: Using the device as an input transformer is only permissible for external devices (CD-Player, cassette tape deck etc.) with an output level >= 775 mV. The NRS 90232 extension cannot be used as a microphone input transformer.

Installation instructions:

1.Disconnect the paging console from the power supply.

2.Detach the bottom plate (6 to 8 screws, depending on the paging station model).

3.Installing the transformer on the output socket printed board assembly:

￿When utilized as input transformer

Prior to installing you have to disconnect the bridges that are marked with an “X” in the diagram on this page.

The transformer has to be inserted at the

 

 

position marked as T1 (1a, 6a, 3a, 4a) and

 

 

fixed in place using the supplied cable

 

 

binder. The yellow point on the transformer

 

 

marks pin 1.

figure 5.40

retrofitting input transformers

 

￿When utilized as output transformer

Prior to installing you have to remove the bridges that are marked with an “X” in the diagram on this page.

The transformer has to be inserted at the position marked as T2 (1, 6, 3, 4) and fixed in place using the supplied cable binder. The yellow point on the transformer marks pin 1.

figure 5.41

retrofitting output transformers

4. Re-attach the bottom plate.

5-46

PROANNOUNCE System User Handbook 1.1

Page 59 Page 61
Page 60
Image 60
Dynacord DPM 4000 manual Input / Output Transformer NRS
Page 59 Page 61

DPM 4000 specifications

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