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ADSL ADSL ADSL ADSL Mr. Pacheco Mr. Pacheco Ext 2 Ext 2 Ext 2 Ext 1 Ext 1 Ext 1 PBX Router 1 Router 1 Router 1 Router 1 Router 1 Router 1 Router 1 Router 2 Router 2 Router 2 Router 2 Router 2 Router 2 Internet Internet Internet Internet Internet PSTN PSTN PSTN PSTN PSTN