Compaq 4000N - Manual (Page 117)

Technical Reference Guide
Compaq Deskpro 4000N and 4000S Personal Computers
First Edition - September 1997
5-27
5.5.5 PARALLEL INTERFACE CONNECTOR
Figure 5-4 and Table 5-15 show the connector and pinout of the parallel inrteface connector.
Figure 5–5. Parallel Interface Connector (Female DB-25 as viewed from rear of chassis)
Table 5–15. DB-25 Parallel Connector Pinout
Table 5-15.
DB-25 Parallel Connector Pinout
Pin Signal Description Pin Signal Description
1 STB- Strobe 14 LF- Line Feed
2 D0 Data 0 15 ERR- Error
3 D1 Data 1 16 INIT- Initialize Paper
4 D2 Data 2 17 SLCTIN- Select In
5 D3 Data 3 18 GND Ground
6 D4 Data 4 19 GND Ground
7 D5 Data 5 20 GND Ground
8 D6 Data 6 21 GND Ground
9 D7 Data 7 22 GND Ground
10 ACK- Acknowledge 23 GND Ground
11 BSY Busy 24 GND Ground
12 PE Paper End 25 GND Ground
13 SLCT Select -- -- --