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Data Sheet

4NSA

LF Interface Module, 4-Wire

The low frequency (LF) interface module is designed for the switching on of 4 call

stations in four-wire technology.

At a Glance:

• Switching-on of up to four call stations

• Call station monitoring from the control unit

• Monitoring of call station voltage

• LF monitoring function (special model)

• Establishing long-distance lines

• Sending/receiving level can be regulated

• Special functions (optional)

Fig. 4NSA (L- No. 2.300)

Date:

13.03.2009

Page:

1/4

Author:

Document-No.:

DB_4NSA_ 2300_01

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Data Sheet 4NSA LF Interface Module, 4-Wire The low frequency (LF) interface module is designed for the switching on of 4 call stations in four

Page 2

Data Sheet 4NSA LF Interface Module, 4-Wire The principle functions of the 4NSA are illustrated in the following block diagram. KSBUS+5VGND-5V

Page 3

Data Sheet 4NSA LF Interface Module, 4-Wire The mode of operation is set in the configuration software ICS: - Call station operation mode:

Page 4

Data Sheet 4NSA LF Interface Module, 4-Wire Technical Data: Operating Voltage: +/-5 V (control) Operational Current (+5 V): 200 mA

Procom 4NSA User Manual