Motorola MVME712A/D3, MVME712-12 Connector J10 Interconnect Signals MVME712x, MDMRXD2, MDMDCD2

Interconnect Signals

Table 3-10. Connector J7 Interconnect Signals (MVME712-13/AM) (Continued)

Pin	Signal	Signal Name and Description
Number	Mnemonic
13	+12VMODEM	+12 Vdc Power - used by the modem.
14	+5VMODEM	+5 Vdc Power - used by the modem.
15	MDMRXD2	RECEIVE DATA - data that is demodulated
		from the receive line is presented to the terminal
		by the modem.
16		Not used.
17	MDMDCD2	DATA CARRIER DETECT - sent by the modem
		to the terminal to indicate that a valid carrier is
		being received.
18	GND	GROUND - modem circuit ground interface.
19	+5VMODEM	+5 Vdc Power - used by the modem.
20	GND	GROUND - modem circuit ground interface.

Connector J10 Interconnect Signals (MVME712x)

Connector J10 is the Ethernet interconnect on the MVME712x (MVME712A, MVME712AM, MVME712-12, and MVME712-13). Each pin connection, signal mnemonic, and signal characteristic for the connector is listed in Table 3-11.

Table 3-11. Connector J10 Interconnect Signals (MVME712x)

Pin		Signal	Signal Name and Description
Number		Mnemonic
1			Not used.
2	C-		COLLISION - (Output) - part of a differential
			pair.
3	C+		COLLISION + (Input) - a signal to indicate that
			multiple stations are contending for access to the
			transmission medium.
4	T-		TRANSMIT - (Output) - part of a differential
			pair.
5	T+		TRANSMIT + (Output) - this line is intended to
			operate into terminated transmission lines.
6,7			Not used.
8	R-		RECEIVE - (Input) - part of a differential pair.

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MVME712A/D3 3-15