1. Plug Compatible Manufacturer PCM A manufacturer of equipment that some other manufacturers system can identify and work with. The PCMs device replaces the original manufacturers. Most PCMs competed with IBM. PCM devices normally offer a cost-performance benefit over the original device. For example, several PCM versions of the Direct-Access Storage Device IBM 3350 offered twice the storage and improved data access dual port. Plug compatible devices include replacement CPUs, such as the Hitachi 7/90 series which could be substituted for IBM 3090 series processors, I/O subsystems, and dumb terminals like the IBM 3270. [Used outside mainframe market?]
plug compatible manufacturer |
