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BCM 450 Inputs
Auxiliary Ring Relay
Auxiliary ring dry contact closure output (normally open) provided for night bell or auxiliary ringing purposes. Contacts are provided between tip and ring of a 3.5mm (1/8") stereo jack. Contacts rated 50 mA 30V non-inductive and non-capacitive loads.
Page Relay
Page dry contact closure output (normally open) provided to mute background music during paging through an external amplifier. Contacts are provided between tip and ring of a 3.5mm (1/8") stereo jack. Contacts rated 50 mA 30V noninductive and non-capacitive loads.
Page Audio
Page audio output typical -12 dBm maximum 0dBm into 600 Ohm load. Output is transformer isolated and provided between tip and ring of a 3.5mm (1/8") stereo jack.
Music Source
Music source audio input. Input impedance is 3.3 kOhms. Nominal input level is 0.25 Vrms (-10 dBu). Maximum non clipping input input level is 1 Vrms. Mono input should be provided between tip and sleeve of the 3.5mm (1/8") stereo jack.
