Motorola MVME712A/D3, MVME712-12, MVME712AM Connector J2 Interconnect Signals LCP2 Adapter

3

Support Information

Connector J2 Interconnect Signals (LCP2 Adapter)

Connector J2 on the LCP2 adapter is a 64-pin connector. Each pin connection, signal mnemonic, and signal characteristic for the connector is listed in Table

3-4.

Table 3-4. Connector J2 Interconnect Signals (LCP2 Adapter)

Pin	Signal	Signal Name and Description
Number	Mnemonic
1	C+	COLLISION + (Input) (Ethernet) - a signal to
		indicate that multiple stations are contending
		for access to the transmission medium.
2	C-	COLLISION - (Input) (Ethernet) - part of a
		differential pair.
3	T+	TRANSMIT + (Output) (Ethernet) - this line is
		intended to operate into terminated
		transmission lines.
4	T-	TRANSMIT - (Output) (Ethernet) - part of a
		differential pair.
5	R+	RECEIVE + (Input) (Ethernet) - a data input
		sourced by the MAU.
6	R-	RECEIVE - (Input) (Ethernet) - part of a
		differential pair.
7	PRSTB*	DATA STROBE (Printer) - an active low output
		pulse used to clock data from the system to the
		printer.
8	+12VF	+12 Vdc Power - fused on MPU board.
9	PRD00	DATA (bit 1) (Printer)
10	GND	GROUND
11	PRD02	DATA (bit 2) (Printer)
12	PRD01	DATA (bit 0) (Printer)
13	PRD04	DATA (bit 3) (Printer)
14	PRD03	DATA (bit 3) (Printer)
15	PRD06	DATA (bit 4) (Printer)
16	PRD05	DATA (bit 5) (Printer)
17	GND	GROUND
18	PRD07	DATA (bit 7) (Printer)
19	GND	GROUND

3-4 MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual