HP 24SII manual DB-25 Standard Centronics TTL Levels

The pin assignment for the DB-25 connector is similar to the IBM PC parallel connector and uses the following signals for communication:

DB-25 STANDARD CENTRONICS TTL LEVELS
	BayTech Cable part # MC25S010
PIN #		SIGNAL

1- Strobe

2+Data Bit 0

3+ Data Bit 1

4+ Data Bit 2

5+ Data Bit 3

6+ Data Bit 4

7+ Data Bit 5

8+ Data Bit 6

9+ Data Bit 7

10- Acknowledge

11+ Busy

12+ P. End (out of paper)

13+ Select

14- Auto Feed

15- Error

16- Initialize Printer

17- Select Input

18-25 Ground

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