Specifications

EPC-5A Hardware & Software Reference Manual

Page 88

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Parallel Port

The DB-25 LPT1 parallel port connector is an Output-Only device defined as:

Pin Signal Pin Signal

1 Strobe 14 Auto line feed

2 DB0 15 Error

3 DB1 16 Initialize printer

4 DB2 17 Select in

5 DB3 18 Signal ground

6 DB4 19 Signal ground

7 DB5 20 Signal ground

8 DB6 21 Signal ground

9 DB7 22 Signal ground

10 Acknowledge 23 Signal ground

11 Busy 24 Signal ground

12 Paper end 25 Signal ground

13 Select

Table 7-2. Parallel Port Pinout.

Keyboard

The keyboard connector is a 6-pin DIN defined as:

Pin Signal Pin Signal

1 Data 4 +5V

2 not used 5 Clock

3 Ground 6 not used

Table 7-3. Keyboard Connector Pinout.