Motorola MVME162LX 300 Series Installation And Use Manual page 195

Table I-4. Connector P2 Interconnect Signals (Continued)
Pin Signal
Number Mnemonic
C3 T–
C4 T+
C5 R–
C6 R+
C7 +12VLAN
C8 PRSTB*
C9 PRD0
C10 PRD1
C11 PRD2
C12 PRD3
C13 PRD4
C14 PRD5
C15 PRD6
C16 PRD7
C17 PRACK*
C18 PRBSY
C19 PRPE
C20 PRSEL
C21 INPRIME*
C22 PRFAULT*
C23 TXD1
C24 RXD1
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Signal Name and Description
Transmit – (output), Ethernet. This line is intended to operate
into terminated transmission lines.
Transmit + (input), Ethernet. Part of a differential pair.
Receive – (input), Ethernet. A data input sourced by the MAU.
Receive + (input), Ethernet. Part of a differential pair.
+12 Vdc Power (fused), Ethernet. Fused +12 Vdc sourced by
the DTE.
Data Strobe (printer). An active low output pulse used to clock
data from the system to the printer.
Data (bit 0), printer.
Data (bit 1), printer.
Data (bit 2), printer.
Data (bit 3), printer.
Data (bit 4), printer.
Data (bit 5), printer.
Data (bit 6), printer.
Data (bit 7), printer.
Data Acknowledge (printer). A low-level input pulse indicating
that the next character may be sent.
Busy (printer). An input signal indicating that the printer cannot
receive data.
Paper Empty (printer). Out of paper.
Selected (printer). An input signal indicating that the printer is
selected.
Input Prime (printer). An output signal that clears the printer
buffer and initializes the logic.
Fault (printer). An input signal indicating a printer fault
condition.
EIA-232-D Transmit Data (serial port 1). Data to be
transmitted; input to modem from terminal.
EIA-232-D Receive Data (serial port 1). Data which is
demodulated from the receive line; output from modem to
terminal.
Input/Output Connections
I-13
I