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Serial Interfaces
1.5 Serial Interfaces
1.5.1 Circuitry of the Serial Interfaces
One DUART68681 operates two serial interfaces at a time on the
ASIO16. The interfaces can be operated as RS-232 interfaces or as
TTY interfaces corresponding to the jumpers position.
For reduced version of the VME-ASIO16 with less than 16 channels
only a part of the DUARTs will be inserted, beginning at the end
with DUART no. 8, e.g. at a 4 channel insertion the DUARTs 8 and 7
will be inserted, at 10 channels the DUARTs 8, 7, 6, 5 and 4 will be
inserted.
The displayed jumper positions correspond to the factory-setting of the board (RS-232
operation, DTR handshake).
The power supplies of the electrically isolated components (+12V process, -12V
process) can be supplied externally or be connected to the local (VMEbus) power
supplies.
Fig. 1.5.1:
Circuitry of the Serial Interfaces (Example: Channel 1)
VME-ASIO16 Rev. 1.7
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Summary of Contents for VME - ASIO16
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