IBM 1013
The IBM 1013 Card Transmission Terminal was a device manufactured by IBM in 1961 which transmitted the data held on 80-column cards to a remote computer or another 1013.[1]
The speed was generally considered 100 cards per minute but could be faster if programmed to send/receive only a portion of the cards if all 80 columns were not used. It needed a full-duplex circuit to operate but at any given time could only transmit or receive.
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