Motorola MVME712-12 用户手册
Interconnect Signals
MVME712A/D3
3-9
3
Connector J2 Interconnect Signals (MVME712-13, MVME712AM)
Connector J2 is a backplane modem power connector. Each pin connection,
signal mnemonic, and signal characteristic for the connector is listed in
signal mnemonic, and signal characteristic for the connector is listed in
.
Connector J3 Interconnect Signals (LCP2 Adapter) Connector:
Connector J3 on the LCP2 adapter is the SCSI port. Each pin connection, signal
mnemonic, and signal characteristic for the connectors is listed in
mnemonic, and signal characteristic for the connectors is listed in
.
Table 3-5. Connector J2 Interconnect Signals (MVME712-13/AM)
Pin
Number
Signal
Mnemonic
Signal Name and Description
1
+5VMODEM
+5 Vdc Power - supplied by the backplane and
routed to J20.
routed to J20.
2
+12VMODEM
+12 Vdc Power - supplied by the backplane and
routed to J20.
routed to J20.
3
-12VMODEM
-12 Vdc Power - supplied by the backplane and
routed to J20.
routed to J20.
4
GND
GROUND
5,6
Not used.
Table 3-6. Connector J3 Interconnect Signals (LCP2 Adapter)
Pin
Number
Signal
Mnemonic
Signal Name and Description
1
GND
GROUND
2
DB00*
DATA bus (bit 0) - least signiÞcant bit and the
lowest priority during the arbitration phase.
lowest priority during the arbitration phase.
3
GND
GROUND
4
DB01*
DATA bus (bit 1)
5
GND
GROUND
6
DB02*
DATA bus (bit 2)
7
GND
GROUND
8
DB03*
DATA bus (bit 3)
9
GND
GROUND