Custom Audio Electronics VKP112, User Manual

Page: 30 / 48

2.3 CENTRONICS PARALLEL INTERFACE
1 13
25
14
CENTRONICS PARALLEL
The printer has a Centronics parallel interface and is connected by means of a 25-pin female connector (see
fi g. 2.4). In the following table, the signals present on the connector are listed:
PIN SIGNAL FUNCTION
1 Strobe Strobe input
2 D0 Data input bit 0
3 D1 Data input bit 1
4 D2 Data input bit 2
5 D3 Data input bit 3
6 D4 Data input bit 4
7 D5 Data input bit 5
8 D6 Data input bit 6
9 D7 Data input bit 7
10 ACK Acknowledge
11 BUSY Occupato
12 PE Paper end
13 SELECT Select / Ticket presence / Near paper end(*)
14 N.C. Not connected
15 FAULT Fault / Ticket presence / Near paper end (*)
16 RESET Printer reset
17 GND GND
18 N.C. Not connected
19-25 GND GND
(Tab.2.3)
(Fig.2.4)
2. INTERFACES
2-4 VKP112
User Manual