Zenith Data Systems Z-171 PC Series Service Manual page 24

Page 2-7
Installation
Parallel connector — This port is a Centronics-type parallel output for
a printer or other device that uses parallel input signals. The operating
system contains the necessary software to properly configure the port for
use with parallel-driven printers or other peripherals.
Table 2-3: Parallel Connector Pinout
PIN
NUMBER SIGNAL DESCRIPTION DATA FLOW
1 STB* Strobe. Out
2-9 DO0-D7 Data bit 0-7. Out
10 ACK* Acknowledge. In
1] BUSY Data bus is occupied. In
12 PE Paper end (out of paper). In
13 SLCT Select. In
14 AUTO FDXT* Auto feed. Out
15 ERROR Error. —
16 INIT* Initialize printer. Out -
17 SLCTIN* Select input. Out
18-25 GND Ground. —
13 1
(0) OOD0D000000000 (0)
OO0D000000000
25 14
Figure 2-5: Parallel Connector (Receptacle)