Ir104e Alpha communications™ is543 "universal" intercom station for 5-wire, 4 Tektone pk-2019 (pk2019) annunciator control unit
tektone sound & signal ir204e apartment station surface mount 4 wire
Tektone stock Intercom 204e Pk tektone annunciator unit control leedan
Apartment wiring diagram
Tektone sound & signal ir204e apartment station surface mount 4 wireIntercom wire station universal systems rear alphacommunications part .
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IR104E - TekTone
TEKTONE PK-2019 (PK2019) Annunciator Control Unit
tektone sound & signal ir204e apartment station surface mount 4 wire
Alpha Communications™ IS543 "Universal" Intercom Station for 5-Wire, 4