Dynacord DPM 4000 manual Optional Key-lockSwitch NRS

DEVICE DESCRIPTIONS

Optional Key-lock Switch (NRS 90231)

The paging consoles employ two empty slots for the incorporation of optional alarm keys or key-locked switches (also refer to chapter 5.2.3 Control Panel DPC 4550). For retrofitting an additional key-lock switch you should only use the NRS 90231 extension kit.

Brief description:	optional key-lock switch for retrofitting DPC 4xxx-type paging stations to work as
	idling current-controlled opener.

Supplied with the NRS 90231: 1 key-lock switch, complete with front frame and 2 keys

1connection cord, 4-pole

1resistor 10 k ohms

Installation instruction:

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.Prepare the installation site for the insertion:

￿Use a sharp, pinpoint tool (needle, pointed rat-tailed file, knife etc.) to carefully pierce the pre- punched holes through – from the front panel’s outside to the inside.

Note: Please make sure to solder the cables after the switch has been installed. Otherwise it is virtually impossible to slide the milled nut over the body of the switch!

4.Adjust the switch and tighten it using the supplied milled nut.

5.Please refer to the circuit diagram on this page when

connecting the supplied 4-pole wire and the resistor.

6. Please mind the sequence in which you connect the flat wire cables. The two outside wires 1(rt) and 4(gr) have to be cut off as short as possible and need to be insulated. The two inner wires 2(gr) and 3(gr) need to be soldered to contacts 1 and 2 of the switch. Polarity is not a critical factor.

7. Afterwards, you have to connect the 4-pole female plug to the corresponding OPTION 1 or OPTION 2 - terminal strip on the basic printed board assembly.

8.Re-attach the bottom plate.

9.Software configuration with the PROANNOUNCE Designer

figure 5.40 circuit diagram key-lock switch

PROANNOUNCE System User Handbook 1.1 5-45