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RS-442 IP Intercom Switch Board
The RS-442 is a switch board designed for use with the N-8400RS 4-Wire Substation Interface Unit. You can make desired switch panels to meet intended purposes by combining the RS-142 with theseparately prepared operation panel having 3 switches to be used as call buttons. Also, it can be used in connection with the RS-481 Ip Intercom Option Handset.
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