AMT Datasouth ACCEL-6300 User Manual page 171

User's Guide
C-6 Interfaces
Table C-1. Parallel Pin Assignments––continued
Pin Signal Source
11 BUSY Printer
12 PAPER Printer
13 SELOUT Printer
14 AUTO Computer May go low to cause printer to advance
FEED–
15
16 LGND
17 CGND
18 +5V Printer
19 GND
20 GND
21 GND
22 GND
23 GND
24 GND
25 GND
26 GND
27 GND
28 GND
29 GND
30 GND
Printer Usage
Goes high within 0.25 microsecond after
STROBE– pulse to suspend further data
transfer while printer receives data byte
on DB1-DB8 lines; returns low at least 5
microseconds later or when printer buffer
can hold another byte
Goes high when printer has data to print,
but no paper is loaded
Remains high while SELIN– is low or
disconnected
paper one line after printing; otherwise,
must be high or disconnected
Not connected
Logic ground
Chassis ground
+5 volts dc, 200 mA maximum
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground