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SIM Selection for Serial Port B (J15)
Port B of the MVME172P4 Z85230 serial communications controller is
configurable via a serial interface module (SIM) that is installed at
connector J15 on the board. Five serial interface modules are available:
EIA-232-D (DCE and DTE)
EIA-530 (DCE and DTE)
EIA-485/EIA-422 (DCE or DTE)
You can change Port B from an EIA-232-D to an EIA-530 interface or to
an EIA-485/EIA-422 interface (or vice-versa) by mounting the appropriate
serial interface module. Port B is routed (via the SIM at J15) to the 25-pin
DB25 front panel connector marked
For the location of SIM connector J15 on the MVME172P4, refer to
1-1.
Figure 1-2
module, showing the J1 connector which plugs into SIM connector J15 on
the MVME172P4.
illustrate the seven configurations available for Port B.
Figure 1-2. Serial Interface Module, Connector Side
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SERIAL PORT 2
illustrates the secondary side (bottom) of a serial interface
Figure 1-3
(sheets 3-6),
39
40
SECONDARY SIDE
Preparing the Board
.
Figure
Figure
1-4, and
Figure 1-5
1
J1
2
1568 9502
1
1-9
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