IBM PC Network
The IBM PC Network was
.application programming interface
, and it lived on in many later systems.
Broadband
The original
co-axial cable with each card connecting via a single F connector.[3] Separate transmit and receive frequencies were used. Cards could be ordered that used different frequencies so multiple cards could transmit simultaneously, at 2 Mbit/s each.[4] A Sytek head-end device was required to translate from each card's transmit frequency to the destination card's receive frequency. Frequency-division multiplexing
allowed the cable to be shared with other voice, video, and data traffic.
Baseband
Later, in 1987 a much cheaper "
star topology was possible using a hub.[6]
See also
References
- ^ IBM. PC Network Announcement Letter. 1984-08-14 ([1]).
- ^ IBM. PC Network Program Announcement Letter. 1985-04-02 ([2]).
- ^ "IBM PC Network Interconnects IBM Personal Computers". 14 August 1984.
- ^ IBM PC Network Adapter II/A-Frequency 2 And IBM PC Network Adapter II/A-Frequency 3
- ^ "Resolution Problems, Network World 22 Jun 1987
- ^ "PC Network".
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