Procom 4NSA - Manual

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: HS Document-No.: DB_4NSA_ 2300_01
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