The JK300A Monitor Call Interface is for use in applications where a simple interface is needed to connect the 'monitor' input of an IR300 series or IR400-P5 series station to an external dry contact closure. The JK300A will accept a standard 1/4" phono type plug input and will register a 'MONITOR' call, if plug is removed, or if the 'normally open' dry contact closure is activated (closed). A 1/4" 'dummy plug' is included for use when the monitor point is not connected to an external device. The JK300/2 …
Single Monitor Call Interface. Includes 1-Dummy Plug--Unit For Nc300 Or Nc300ii Or Tc400-P5 Systems
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A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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