Motorola MVME760, User Manual, Page: 35 / 48

P2 Connector
3-13
3
C25 DTR2 DATA TERMINAL READY (serial port 2) - a signal from the
terminal to the modem indicating that the terminal is ready
to send or receive data.
A25 GND SIGNAL GROUND
C26 RXD3 RECEIVE DATA (serial port 3) - data that is demodulated
from the receive line is presented to the terminal by the
modem.
A26 RTXC3 RECEIVE CLOCK (serial port 3) - this line can be
configured to clock input data from a terminal to a modem.
C27 TXD3 TRANSMIT DATA (serial port 3) - data to be transmitted is
furnished on this line to the modem from the terminal.
A27 TRXC3 TRANSMIT CLOCK (serial port 3) - this line can be
configured to clock output data to the modem from the
terminal.
C28 RXD4 RECEIVE DATA (serial port 4) - data that is demodulated
from the receive line is presented to the terminal by the
modem.
A28 RTXC4 RECEIVE CLOCK (serial port 4) - this line can be
configured to clock input data from a terminal to a modem.
C29 TXD4 TRANSMIT DATA (serial port 4) - data to be transmitted is
furnished on this line to the modem from the terminal.
A29 TRXC4 TRANSMIT CLOCK (serial port 4) - this line can be
configured to clock output data to the modem from the
terminal.
C30 -12V -12Vdc Power
A30 MXDI Serial MULTIPLEXER DATA IN - signal driven to the main
board.
C31 MXDO Serial MULTIPLEXER DATA OUT - received from main
board.
A31 MXSYNC_ MULTIPLEXER SYNC - Serial Multiplexer sync signal.
C32 GND SIGNAL GROUND
A32 MXCLK MULTIPLEXER CLOCK - Serial Multiplexer clock signal.
Table 3-1. Connector P2 Interconnect Signals (MVME760) (Continued)
Pin
Number Signal
Mnemonic Signal Name and Description
P2