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Pin Assignments
Remote Reset Connector - J3
Table 5-1. Remote Reset Connector J3 Pin Assignments
5
VMEbus Connectors - P1, P2
5-2
The MVME177P has a 20-pin connector (J3) mounted behind the front
panel. When the MVME177P board is enclosed in a chassis and the front
panel is not visible, this connector enables you to extend the reset, abort
and LED functions to the control panel of the system, where they remain
accessible.
1
+5V Fused
3
+12VLED∗
5
VMELED∗
7
RUNLED∗
9
FAILSTAT∗
11
SCONLED∗
13
RESETSW∗
15
GND
17
No connection
19
PCCGPIO1
Two three-row 96-pin DIN type connectors, P1 and P2, supply the
interface between the base board and the VMEbus. P1 provides power and
VME signals for 24-bit addressing and 16-bit data. Its pin assignments are
set by the IEEE P1014-1987 VMEbus Specification. P2 Row B supplies
the base board with power, with the upper 8 VMEbus address lines, and
with an additional 16 VMEbus data lines. P2 rows A and C are not used in
the MVME177P implementation. The pin assignments for P1and P2 are
listed in
Table 5-2
and
LANLED∗
SCSILED∗
Pullup
STSLED∗
No connection
ABORTSW∗
GND
Pullup
Pullup
GND
Table 5-3
respectively.
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8
10
12
14
16
18
20
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