Service crisis Verizon New York

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forecasters in late 1960s underestimated demand, resulting in shortage of capacity in manhattan, nytel s principal profit area. customers had wait weeks new line or repair, , minutes dial tone on existing line. new 1ess stored program control exchanges had software bugs kept them carrying full load. deferred maintenance choked main distribution frames (mdfs) dead jumpers. there not enough cables office buildings, nor enough underground conduits install them. morale poor in levels , departments; strikes frequent.


the response of company hire , train thousands of new employees , buy new equipment them work on. underground construction took years, emergency installation of anaconda carrier pair gain systems used in rural areas expanded service while construction in progress. bell labs added processing power new systems , fixed software bugs. new wire center @ 1095 avenue of americas , 42nd street relieved 4 others in midtown manhattan of part of load, providing company new headquarters next quarter century. crisis subsided during 1970s , workers accustomed heavy overtime had learn go home on time , along on base pay.



second avenue exchange building



february 27, 1975 brought fire in telephone building @ 204 second avenue, @ east 13th street. mdf destroyed, disconnecting tens of thousands of customers, , obsolescent switching equipment destroyed or damaged acrid smoke. located @ south end of east side trunk cable duct under second avenue, building connects many circuits brooklyn disrupted. bell system mobilization dealt crisis, including replacing destroyed mdf. obsolete , retired exchange @ west 18th street office, not yet melted down scrap metal, temporarily resurrected serve thousands of e13 customers though existing cross-town cables. damaged number 1 crossbar switching system (1xb switch) cleaned, , number 1 electronic switching system (1ess switch) had been destined 104 broad street exchange diverted. largest loss of telephone service fire in united states history until september 11 attacks.








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