37xxxE OM B-7
REAR PANEL CONNECTORS CONNECTOR PINOUT DIAGRAMS
PIN NAME DESCRIPTION
1 STROBE Printer Strobe. Alow-true pulse that tells the printer valid data has been placed onthe
bus.
2-9 DATA 1 thru DATA 8 Data Lines. Bits are HIGH when the data is logical 1 and LOW when the data is alog-
ical 0.
10 ACK NLG Printer Acknowledgment. A low-true (it varies from printer to printer) pulse sent back
by the printer to acknowledge that the data has been accepted and the printer is
ready to accept more data.
11 BUSY Printer Busy. High-true level sent by the printer to indicate that it is not available. This
line is HIGH at the following times: (1) During data entry. (2) While printing. (3) When
off-line. (4) When a printer-error has been signaled.
12 PE Printer Error. High-true level sent by the printer to indicate that it is out of paper.
13 SLCT Select. A high-true logic level.
14 AUTO FEED XT Automatic Paper Feed. A low-true level that tells the printer to feed the paper
automatically.
15 ERR Printer Error. A low-true signal that indicates the printer is (1) out of paper,
(2) off-line, or (3) in an error state.
16 INIT Printer Initial State. A low-true pulse that tells the printer to assume its initial state
and clear its print buffer.
17 SLCT IN Printer Select Input. A low-true level that permits the printer to accept data.
18-25 DATA RTN Return lines for DATA 1 thru DATA 8 lines.