Interconnect Signals

Table 3-12. Connector P2, J11 Interconnect Signals (MVME712x) (Continued)

Pin Number

Signal

Signal Name and Description

 

 

P2

J11

Mnemonic

 

 

 

 

 

 

 

 

 

 

 

C6

11

PRD02

DATA (bit 2) (Printer)

 

 

 

 

A6

12

PRD01

DATA (bit 1) (Printer)

 

 

 

 

C7

13

PRD04

DATA (bit 4) (Printer)

 

 

 

 

A7

14

PRD03

DATA (bit 3) (Printer)

 

 

 

 

C8

15

PRD06

DATA (bit 6) (Printer)

 

 

 

 

A8

16

PRD05

DATA (bit 5) (Printer)

 

 

 

 

C9

17

GND

GROUND

 

 

 

 

A9

18

PRD07

DATA (bit 7) (Printer)

 

 

 

 

C10

19

GND

GROUND

 

 

 

 

A10

20

PRACK*

DATA ACKNOWLEDGE (Printer) - a low level input

 

 

 

pulse indicating that the next character may be sent.

 

 

 

 

C11

21

PRPE

PAPER EMPTY (Printer) - out of paper.

 

 

 

 

A11

22

PRBSY

BUSY (Printer) - an input signal indicating that the

 

 

 

printer cannot receive data.

 

 

 

 

C12

23

INPRIME*

INPUT PRIME (Printer) - an output signal that clears

 

 

 

the printer buffer and initializes the logic.

 

 

 

 

A12

24

PRSEL

SELECTED (Printer) - an input signal indicating that

 

 

 

the printer is selected.

 

 

 

 

C13

25

GND

GROUND

 

 

 

 

A13

26

PRFAULT*

FAULT (Printer) - an input signal that indicates a

 

 

 

printer fault condition.

 

 

 

 

C14

27

GND

GROUND

 

 

 

 

A14

28

TXD3

TRANSMIT DATA (serial port 3) - data to be

 

 

 

transmitted is furnished on this line to the modem

 

 

 

from the terminal.

 

 

 

 

C15

29

GND

GROUND

 

 

 

 

A15

30

RXD3

RECEIVE DATA (serial port 3) - data that is

 

 

 

demodulated from the receive line is presented to the

 

 

 

terminal by the modem.

 

 

 

 

C16

31

CTS3

CLEAR TO SEND (serial port 3) - 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 modem, CTS follows the

 

 

 

off-to-on transition of RTS after a time delay.

 

 

 

 

3

MVME712A/D3

3-17

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