Motorola MVME712A/D3, MVME712-12 Connector J6 Interconnect Signals MVME712-13, MVME712AM

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Support Information

Connector J6 Interconnect Signals (MVME712-13, MVME712AM)

Connector J6 is the modem RING and TIP from the Telco front panel jack on the MVME712-13 and MVME712AM. Each pin connection, signal mnemonic, and signal characteristic for the connector is listed in Table 3-9.

Table 3-9. Connector J6 Interconnect Signals (MVME712-13/AM)

Pin	Signal	Signal Name and Description
Number	Mnemonic
1	TIP	Tip side of telephone line.
2	RING	Ring side of telephone line.

Connector J7 Interconnect Signals (MVME712-13, MVME712AM)

Connector J7 is the onboard modem interconnect (refer to Appendix A for details on the modem). Each pin connection, signal mnemonic, and signal characteristic for the connector is listed in Table 3-10.

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

Pin	Signal	Signal Name and Description
Number	Mnemonic
1	MDMTXD2	TRANSMIT DATA - data to be transmitted is
		furnished on this line to the modem from the
		terminal.
2,3		Not used.
4	-12VMODEM	-12 Vdc Power - used by the modem.
5	+5VMODEM	+5 Vdc Power - used by the modem.
6		Not used.
7	MDMDTR2	DATA TERMINAL READY - an active low
		signal from the terminal to the modem
		indicating that the terminal is ready to send or
		receive data.
8,9		Not used.
10	GND	GROUND - modem circuit ground interface.
11	MDMCTS2	CLEAR TO SEND - an active low signal that the
		modem maintains in the on state.
12		Not used.

3-14 MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual