Preparing the Board
http://www.motorola.com/computer/literature 1-9
1
SIM Selection for Serial Port B (J15)
Port B of the MVME162P4 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
SERIAL PORT 2.
For the location of SIM connector J15 on the MVME162P4, refer to Figure
1-1. Figure 1-2 illustrates the secondary side (bottom) of a serial interface
module, showing the J1 connector which plugs into SIM connector J15 on
the MVME162P4. Figure 1-3 (sheets 3-6), Figure 1-4, and Figure 1-5
illustrate the seven configurations available for Port B.
Figure 1-2. Serial Interface Module, Connector Side
SECONDARY SIDE
39 1
40 2
J1
1568 9502
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