1. - ericssonhistory.com
1. - ericssonhistory.com 1. - ericssonhistory.com
Exchanges with crossbar switchesTownExchangeNumberof linesTownExchangeNumberof linesDenmarkHorsensCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenOdenseRudkobingSkagenFinlandHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/Helsingfors(extension)PAXPABXBagsvaerd (extension)GlostrupKastrup (extension)LyngbyValby (extension)Vestskel (extension)Virum (extension)Yrsa (extension)Haaga/HagaHerttoniemi HertoniisKeskust a/Cent rum(extension)Kapyla/Kottby(extension)Pakila/BaggboleSornainen/Sorn'as(extension)4000180120100050002000100002000100010001000100010001600100030001400500030002000NetherlandsHaagRotterdamRotterdamRotterdamNorwayOsloSwedenAlingsasFinspangMotalaStockholmStockholmSunneViisterasYugo-SlaviaBitoljNiksicPula1 PABXCentrum 11 (extension)Noord 11 (extension)West II (extension)1 PABX1 PAX3 PABXPABXPAX(extension)(extension)Total12075005000300070450030065008601501 30010050040070077300Rural exchanges with crosshar switches, system ARK Rural exchanges with 100-line selectors, system XYCountryNumberNumberof lines*CountryNumberNumberof lines*FinlandItalySweden20183197023602600Norway124310Total416930Total124310* The number of lines includes both new exchanges and extensions of existing exchanges.Exchanges with relay selectors. 100-. 30-. 25- and 12-line selectors(delivered from Stockholm)Exchanges with relay selectorsExchanges with 100-line selectors, system AHDExchanges with 30-. 25- and 12-line selectors, system OLTotalNumber173106330609Numberof lines1474947097002064430
NEWS/romAll Quarters of the WorldL M Ericsson Presents AutomaticExchange to Cali, ColombiaIn September last year a seriousexplosion occurred in the town ofCali, Colombia. Seven lorries loadedwith dynamite exploded while parkedon a barracks square. Eight blocksof buildings were levelled with theground, windows were smashed withintwo miles radius, and the explosionleft a crater 100 yards in diameter.The death roll was very heavy,and large numbers of people wereinjured. The destruction in the townwas appalling. All normal life stopped,military and civilian squads weresent in to assist the injured and clearup after the devastation.L M Ericsson, represented in Colombiaby their affiliates Cia EricssonLtda. contacted the Colombianrelief organization Sendas and, byway of financial assistance, offeredautomatic telephone equipment for5,800 lines of other make that happenedto be available. The gift contributedto some extent to the reliefcampaign for Cali which was set inmotion throughout the country.The head of Cia Ericsson Ltda,Mr. Olaf Gustafson, presented thedeed of gift to the President of Colombia,General Gustavo Rojas Pinilla,at the end of last year. In February1957 LM Ericsson was ableto hand over the gift in concrete formto the Mayor of Cali, Col. AndresMunoz, who officially accepted theequipment on Cali's behalf fromMessrs. Gote Fernstedt and OlafGustafson.Mr. Gote Fernstedt signs the deed oftransfer for the gift to the town ofCali. On his right is the Mayor of Cali.(Below) Mr. Olaf Gustafson presentsthe deed of gift to the President ofColombia.The press devoted much space tothis evidence of L M Ericsson's desireto help. The presentation ceremonywas also televised.The town of Cali has a telephonesystem which differs entirely fromL M Ericsson's, so that the gift wasin no way bound up with a businessdeal-a fact which aroused considerablerespect and appreciation fromthe press and local population.First CrossbarSwitching Exchangein AfricaThe first crossbar exchange inAfrica was installed at Gatooma,Southern Rhodesia, in January to theorders of the Rhodesia Post Office.It is a 1,000-line city exchange ofL M Ericsson's type ARF 50 withequipment for auto-manual trunktraffic. The equipment was installedby the Post Office staff with the assistanceof an L M Ericsson engineerwho remained for six weeks after thecut-over to give instruction to thePost Office maintenance staff. Beforehis departure 10,000 test connectionshad been made without a single faultoccurring, and the exchange has sincefunctioned satisfactorily.31
- Page 3 and 4: ERICSSON REVIEWVol. XXXIV 1957RESPO
- Page 5 and 6: ERICSSON REVIEWVol. XXXIV No. 1 195
- Page 7 and 8: ularities serious enough to affect
- Page 9 and 10: Faults at Centrum Jan.—June 1956.
- Page 11 and 12: The same practice is adopted at the
- Page 13 and 14: Mechanization of the Aland Telephon
- Page 15 and 16: The quality of cable construction w
- Page 17 and 18: exchange, while another has perhaps
- Page 19 and 20: Fig. 2 X 6975IO-pair strips(From le
- Page 21 and 22: •G rLrlFig. 6The combined fuse NG
- Page 23 and 24: Visual Staff Locator System for Sma
- Page 25 and 26: Fig. 4 x 8008Keyset KEM 3294placed
- Page 27 and 28: Traffic Signals at Vasterbron, Stoc
- Page 29 and 30: Three Programme Vehicle ControlThe
- Page 31 and 32: x 8009 Ordinary vehicle control imp
- Page 33: TownExchangeNumberof linesTownExcha
- Page 37 and 38: L M Ericsson, Midsommarkransen, isa
- Page 39 and 40: 3056 .(487ricss\nUQ;Jao0-V5roc0-ft
Exchanges with crossbar switchesTownExchangeNumberof linesTownExchangeNumberof linesDenmarkHorsensCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenCopenhagenOdenseRudkobingSkagenFinlandHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/HelsingforsHelsinki/Helsingfors(extension)PAXPABXBagsvaerd (extension)GlostrupKastrup (extension)LyngbyValby (extension)Vestskel (extension)Virum (extension)Yrsa (extension)Haaga/HagaHerttoniemi HertoniisKeskust a/Cent rum(extension)Kapyla/Kottby(extension)Pakila/BaggboleSornainen/Sorn'as(extension)4000180120100050002000100002000100010001000100010001600100030001400500030002000NetherlandsHaagRotterdamRotterdamRotterdamNorwayOsloSwedenAlingsasFinspangMotalaStockholmStockholmSunneViisterasYugo-SlaviaBitoljNiksicPula1 PABXCentrum 11 (extension)Noord 11 (extension)West II (extension)1 PABX1 PAX3 PABXPABXPAX(extension)(extension)Total12075005000300070450030065008601501 30010050040070077300Rural exchanges with crosshar switches, system ARK Rural exchanges with 100-line selectors, system XYCountryNumberNumberof lines*CountryNumberNumberof lines*FinlandItalySweden20183197023602600Norway124310Total416930Total124310* The number of lines includes both new exchanges and extensions of existing exchanges.Exchanges with relay selectors. 100-. 30-. 25- and 12-line selectors(delivered from Stockholm)Exchanges with relay selectorsExchanges with 100-line selectors, system AHDExchanges with 30-. 25- and 12-line selectors, system OLTotalNumber173106330609Numberof lines1474947097002064430
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