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  1. adefey

    Ericsson Old PBX

    Hi all, I´m a telephony instructor in Brazil and I need to discover the model of a Ericsson PBX. The PBX have 5 lines and 30 extensions, with a crossbar switch and two power suplly (24 and 48 V). The crossbar is in the upper part of the frame. In the middle a nd the low parto of the frame have...

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