1. - ericssonhistory.com

New AutomaticExchange atMendozaNew L M Ericsson Exchanges inGothenburg, Landskrona and LeksandA main exchange with a capacityof 3,000 lines for the telephone operatingcompany, Cia Argentina deTelefonos, has been opened in Mendoza.The inaugural ceremony forthe opening of the exchange-MendozaII-which formed part of theofficial programme of the Provinceof Mendoza for the celebration ofthe Argentine Commemoration Day,was presided over by the ProvincialInterim Governor, Dr. Isidoro Busquets,and the equipment was consecratedby the Bishop of Mendoza andNeuquen, Monsenor Dr. AlfonsoMaria Buteler, seen in the photographat the service observation desk.Among other persons at the openingof the exchange, the installation ofwhich was carried out by Cia Sudamericanade Telefonos L M Ericsson,were the entire provincial governmentand general staff.The new automatic exchange atOrgryte, Gothenburg, was opened inDecember 1956. It is a central areaexchange, having direct junctions withother exchanges in the inner area ofGothenburg. The Orgryte exchangeis built on the 500-line selector system.It is of the same type as theprevious L M Ericsson exchanges inGothenburg and initially caters for7,000 subscribers. When the newexchange was opened, some 4,700subscribers from the Vasa exchangewere transferred and renumbered.This transfer enabled the latter exchangeto accept new subscribers.The new automatic exchange atLandskrona, opened in February, offersthe longest subscriber-dialled connectionsin Sweden. The exchangecomprises 7,000 lines and has equipmentfor zone traffic and full-automatictrunk traffic. It employs crossbarswitches of the Swedish TelecommunicationsAdministration typemanufactured by L M Ericsson. Thisexchange provided Landskrona withfull-automatic trunking to Stockholmand Gothenburg, among other places,via the Malmo transit exchange. Sincethe opening of the Landskrona exchangeSweden's longest subscriberdialledconnection stretches from theisland of Ven in the Sound to Singoin Roslagen, a distance of 818 kilometres.A crossbar exchange of the TelecommunicationsAdministration type,for 1,500 lines, has also been suppliedrecently by L M Ericsson to Leksand.L M Ericsson partook in the first internationalexhibition for electronics, telecommunicationsand radio, held inMexico in December 1956, through theagency of Compafiia Comercial EricssonS.A. LM Ericsson's stand presenteda general survey of the company's production.(Right) The Ericofon corner.34