Motorola MVME712AM 用户手册
Support Information
3-16
MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual
3
Connector P2 and J11 Interconnect Signals (MVME712
x)
Connector P2 on the MVME712-12 or MVME712-13, or connector J11 on the
MVME712A or MVME712AM, receives the signals from the LCP2 adapter.
Each pin connection, signal mnemonic, and signal characteristic for the
connectors is listed in
MVME712A or MVME712AM, receives the signals from the LCP2 adapter.
Each pin connection, signal mnemonic, and signal characteristic for the
connectors is listed in
9
R+
RECEIVE + (Input) - a data input sourced by the
MAU.
MAU.
10
+12VF
+12 Vdc Power - fused on MPU board.
11-20
Not used.
Table 3-12. Connector P2, J11 Interconnect Signals (MVME712
x)
Pin Number
Signal
Mnemonic
Signal Name and Description
P2
J11
C1
1
C+
COLLISION + (Input) (Ethernet) - a signal to
indicate that multiple stations are contending for
access to the transmission medium.
indicate that multiple stations are contending for
access to the transmission medium.
A1
2
C-
COLLISION - (Input) (Ethernet) - part of a
differential pair.
differential pair.
C2
3
T+
TRANSMIT + (Output) (Ethernet) - this line is
intended to operate into terminated transmission
lines.
intended to operate into terminated transmission
lines.
A2
4
T-
TRANSMIT - (Output) (Ethernet) - part of a
differential pair.
differential pair.
C3
5
R+
RECEIVE + (Input) (Ethernet) - a data input sourced
by the MAU.
by the MAU.
A3
6
R-
RECEIVE - (Input) (Ethernet) - part of a differential
pair.
pair.
C4
7
PRSTB*
DATA STROBE (Printer) - an active low output pulse
used to clock data from the system to the printer.
used to clock data from the system to the printer.
A4
8
+12VF
+12 Vdc Power - fused on MPU board.
C5
9
PRD00
DATA (bit 0) (Printer)
A5
10
GND
GROUND
Table 3-11. Connector J10 Interconnect Signals (MVME712
x) (Continued)
Pin
Number
Signal
Mnemonic
Signal Name and Description