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TS9000/TS9050 TouchStar Systems User Manual
LPT1 – Enhanced Parallel Port
The LPT1 printer port is an enhanced parallel port with a 25-pin
(DB25) female connector. It provides bi-directional data commu-
nications. Line printers, floppy drives and CD-ROM drives are
connected to the TouchStar via this parallel port.
Figure 10. LPT1 Parallel Port Connector
TABLE 3 - LPT1 PARALLEL PORT CONNECTOR PINOUT
Pin
Signal
1
PSTB; data strobe
2
PLD0; data 0
3
PLD1; data 1
4
PLD2; data 2
5
PLD3; data 3
6
PLD4; data 4
7
PLD5; data 5
8
PLD6; data 6
9
PLD7; data 7
10
PACK; acknowledge
11
PBUSY; busy
12
PPE; paper end
13
PSLCT; printer selected
14
PAFD; auto feed
15
PERR; printer error
16
PINIT; printer initialized
17
PSLIN; printer select
18-23
Ground
24
Ground; parallel not floppy; connect to +5V to switch the EPP to the floppy mode
25
Ground
Serial Communication Ports
The TouchStar provides two serial ports, labeled COM1 and
COM2. These ports are used to connect devices such as serial
2 - INSTALLATION & MAINTENANCE