DEVICE DESCRIPTIONS

Optional Monitor Loudspeaker (NRS 90209)

Brief description:

Installing the extension-kit NRS 90209, each DPC 4000 paging console (excluding the DPC

 

4106) can be retrofitted with a monitor loudspeaker. To prevent acoustic feedback between

 

speaker and microphone, the first is muted whenever the TALK key is pressed. Also

 

included is a 100V-transformer that is installed inside of a wall outlet and is used for low-

 

impedance operation of the loudspeaker.

Supplied parts:

1 prepared printed board assembly 89022 including 100V transformer and connection cords

 

1 bottom plate with printed board assembly 89021; connection cords and loudspeaker are

 

pre-mounted

Note: For being able to ship the correct bottom plate, please specify your paging console model in which the extension is going to be installed when ordering the NRS 90209!

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.Slide the 4 rubber feet off the side of the bottom plate and attach them to the new bottom plate with the pre- mounted printed board assembly 89021.

4.Connect the plug of the printed board assembly 89021 to the terminal strip CN9 (on the little connection printed board) – refer to figure 5.42:

figure 5.42

connecting the NRS 90209 in a paging console

5.Attach the new bottom plate.

6.Reconnect the paging station to the LAN.

7.Mount the printed board assembly 89022 (including 100V transformer) inside of a standard wall outlet and connect it between the 100V line and the RJ45-wall junction box, refer to the circuit diagram. 100V loudspeaker cabling needs to be kept separated from all other paging console wiring!

figure 5.43

circuit diagram for the monitor loudspeaker extension-kit (NRS 90209)

PROANNOUNCE System User Handbook 1.1

5-47

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Image 61
Dynacord DPM 4000 manual Optional Monitor Loudspeaker NRS

DPM 4000 specifications

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