MVME712M Transition Module
http://www.mcg.mot.com/literature
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3
MVME712M Transition Module
The following paragraphs provide the interconnection signals for the
connectors on the MVME712M transition module.
J2 connector
Connector J2 on the MVME712M and connector J2 on the P2 adapter
board are 64-pin DIN connectors that are the same pin-for-pin. Each pin
connection, signal mnemonic, and signal characteristic for these
connectors is listed in the following table.
Table 3-4. Connector J2 interconnect signals
Pin
Number
Signal
Mnemonic
Signal Name and Description
A1
C-
COLLISION - (input) (Ethernet) - part of a
differential pair.
A2
T-
TRANSMIT - (output) (Ethernet) - part of a
differential pair.
A3
R-
RECEIVE - (input) (Ethernet) - part of a differential
pair.
A4
+12VF
+12 Vdc power - fused on the MPU board.
A5
GND
GROUND
A6
PRD01
DATA (bit 1) (Printer)
A7
PRD03
DATA (bit 3) (Printer)
A8
PRD05
DATA (bit 5) (Printer)
A9
PRD07
DATA (bit 7) (Printer)
A10
PRACK*
DATA ACKNOWLEDGE (Printer) - a low level input
pulse indicating that the next character may be sent.
A11
PRBSY
BUSY (Printer) - an input signal indicating that the
printer cannot receive data.
A12
PRSEL
SELECTED (Printer) - an input signal indicating that
the printer is selected.
A13
PRFAULT*
FAULT (Printer) - an input signal that indicates a
printer fault condition.