Primarily for industrial applications, the PCM20H Series of PC Card ARCNET network interface modules (NIMs) from Contemporary Controls sports new features over its earlier predecessors. For providing ARCNET connectivity to laptop and notebook-style computers, its enhanced EMC performance, ruggedised MAU case and locking MAU connector are obvious benefits.
The PCM20H conforms to release 2.1 of the PC Card standard 5,0 mm Type II form factor. Each version of the PCM20H is designated by a particular transceiver. The ARCNET transceiver circuitry is located in a detachable MAU (medium access unit) which plugs into the PCM20H adapter. MAUs exist for various cabling media and are all interchangeable with one another. A 15-pin connector with a short cable attaches the MAU to the adapter.
This product is equipped with the latest generation ARCNET controller chip, the COM20022, offering a wide range of data rates up to 10 Mbps. A 3,5" disk containing the company's DOS, Windows 3.x and Windows 95/98/2000 enabler software is shipped with the module. Once loaded, programs written for the PCX20 ISA bus adapter will operate transparently with the PCM20H.
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