User`s manual

Selection of half duplex mode operation is dependent upon the configuration software
and/or the operating system used. Each of these, however, ultimately control the half
duplex mode by accessing the PCMCIA Configuration Register on the DSP-200/300.
CAUTION:
When operating in half duplex mode, the transmitter output
drivers must be disabled before receiving any information.
Failure to do so will result in two output drivers being
connected together which may cause damage to the adapter,
the computer, and/or the peripheral equipment.
6-4 DSP-200/300 (Rev. I and later) User's Manual
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