Specifications

Hardware Information

7-12

SIMATIC Box PC 620 Manual

A5E00131465-01

Parallel Port LPT1

The parallel port (LPT 1) on the Box PC has the following pinout:

Figure 7-3 Parallel Port LPT 1 (Socket)

Pin No.

Designation Description Input / Output

1 / Strobe (CLK) Data message Output (open collector)

2 Data - Bit 0 Data line 0 Output (TTL level)

3 Data - Bit 1 Data line 1 Output (TTL level)

4 Data - Bit 2 Data line 2 Output (TTL level)

5 Data - Bit 3 Data line 3 Output (TTL level)

6 Data - Bit 4 Data line 4 Output (TTL level)

7 Data - Bit 5 Data line 5 Output (TTL level)

8 Data - Bit 6 Data line 6 Output (TTL level)

9 Data - Bit 7 Data line 7 Output (TTL level)

10 /ACK Acknowledge Input (4.7 kW pull up)

11 BUSY Not ready Input (4.7 kW pull up)

12 PE No paper Input (4.7 kW pull up)

13 SELECT Device selection Input (4,7 kW pull up)

14 / AUTO FEED Automatic new line Output (open collector)

15 / ERROR Device error Input (4,7 kW pull up)

16 / INIT Reset / Initialization Output (open collector)

17 / SELECT IN Printer selection Output (open collector)

18 - 25 GND Ground -