Motorola MVME712A/D3, MVME712-12, MVME712B Connector J2 Interconnect Signals MVME712-13, MVME712AM

Interconnect Signals

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 Table

3-5.

Table 3-5. Connector J2 Interconnect Signals (MVME712-13/AM)

Pin	Signal	Signal Name and Description
Number	Mnemonic
1	+5VMODEM	+5 Vdc Power - supplied by the backplane and
		routed to J20.
2	+12VMODEM	+12 Vdc Power - supplied by the backplane and
		routed to J20.
3	-12VMODEM	-12 Vdc Power - supplied by the backplane and
		routed to J20.
4	GND	GROUND
5,6		Not used.

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 Table 3-6.

Table 3-6. Connector J3 Interconnect Signals (LCP2 Adapter)

Pin	Signal	Signal Name and Description
Number	Mnemonic
1	GND	GROUND
2	DB00*	DATA bus (bit 0) - least signiÞcant bit and the
		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

3

MVME712A/D3 3-9