The term PBX originated when switchboard operators managed company switchboards manually using cord circuits. The Ericsson company also established a factory for telephones and switchboards in Budapest in 1911. The generators were separated into two banks of five generators each with independent switchboards. CBS was inundated with calls; newspaper switchboards were jammed. Cord switchboards were often referred to as "cordboards" by telephone company personnel. There was increased demand for electrical switchboards for the growing electric power industry. Callers to KEGL in Dallas, Texas jammed the station's switchboards. Calls opposing the nomination flooded the switchboards of members of Congress. Acquired an electric control and switchboards at Noida for manufacturing customised packaged solutions. From 1930 to 1952, the company converted its exchanges from staffed switchboards to dial service. The first generation were the manual switchboards operated by attendants and operators. All open-front switchboards were replaced with enclosed splash-proof cabinets. The switchboards were initially imported, but were manufactured locally by 1909. Each generator is connected to two switchboards. Beginning about 6&colon;45, many members of the public began calling NBC network and affiliate switchboards.