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IBM PC Network : ウィキペディア英語版 | IBM PC Network
The IBM PC Network was IBM's first LAN system.〔IBM. ''PC Network Announcement Letter''. 1984-08-14 (()).〕〔IBM. ''PC Network Program Announcement Letter''. 1985-04-02 (()).〕 It consisted of network cards, cables, and a small device driver known as NetBIOS (Network Basic Input/Output System). It used a data rate of 2 Mbit/s. ==Broadband== The original broadband version in 1984 communicated over 75 Ω RG-11-type cable using frequency-division multiplexing, so traffic travelled on separate transmit and receive frequency ranges, using a Sytek head-end device to translate between the two signals, and it was intended that the cable be shared, with video and voice traffic using other bands. It ran at 2 Mb/s. NetBIOS was developed by Sytek Inc as an API for software communication over this IBM PC Network LAN technology; with Sytek networking protocols being used for communication over the wire. IBM's later token ring network emulated the NetBIOS application programming interface, and it lived on in many later systems.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「IBM PC Network」の詳細全文を読む
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