Group 1 Fax
The Groups relate the speed and sophistication of the fax machine. The standards were developed by the ITU-T (International Telecommunications Union-Telecommunication Standardization Sector) in order that fax machines from different manufactures could communicate. Group 1 fax machines transmit on 8.5 by 11 inch paper at a rate of six pages per minute and conform to the T2 ITU-T standard.
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