Motorola MVME712AM DTR3, TXD1, GND Ground RXD1, GND Ground RTS1, GND Ground CTS1, GND Ground TXD4

3

Support Information

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

Pin	Signal	Signal Name and Description
Number	Mnemonic
34	DTR3	DATA TERMINAL READY (serial port 3) - a
		signal from the terminal to the modem
		indicating that the terminal is ready to send or
		receive data.
35	TXD1	TRANSMIT DATA (serial port 1) - data to be
		transmitted is furnished on this line to the
		modem from the terminal.
36	GND	GROUND
37	RXD1	RECEIVE DATA (serial port 1) - data that is
		demodulated from the receive line is presented
		to the terminal by the modem.
38	GND	GROUND
39	RTS1	REQUEST TO SEND (serial port 1) - RTS is
		supplied by the terminal to the modem when it
		is required to transmit a message. With RTS off,
		the modem carrier remains off. When RTS is
		turned on, the modem immediately turns on the
		carrier.
40,41	GND	GROUND
42	CTS1	CLEAR TO SEND (serial port 1) - CTS is a
		function supplied to the terminal by the modem,
		and indicates that it is permissible to begin
		transmission of a message. When using a
		motmots follows the off-to-on transition of RTS
		after a time delay.
43	GND	GROUND
44	TXD4	TRANSMIT DATA (serial port 4) - data to be
		transmitted is furnished on this line to the
		modem from the terminal.
45	GND	GROUND
46	RXD4	RECEIVE DATA (serial port 4) - data that is
		demodulated from the receive line is presented
		to the terminal by the modem.
47	GND	GROUND

3-6 MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual