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VXL Instruments Ltd. Itona TC4XYY Hardware User’s Guide
9-pin to 25-pin Straight Connection
7
4
3
5
1
2
6
8
4
20
2
7
8
3
6
5
9 Pin
Connector
(Thin Client)
25 Pin
Connector
RTS
DTR
TXD
GND
DCD
RXD
DSR
CTS
RTS
DTR
TXD
GND
DCD
RXD
DSR
CTS
Printer Cable
The following table shows the pin connections of the Standard Centronics parallel cable. Some
manufacturers change pin functions or polarity on their printers. For such printers, custom cables may
be necessary. Refer to your printer manual for cabling information in such cases.
Note: Please use certified shielded cable only.
1
2-9
10
11
12
15
18-25
- Strobe
+ Data Bits 0 - 7
- Acknowledge
+ Busy
+ Paper End
- Error
Ground
PARALLEL
PORT
PARALLEL
DEVICE
Connectors and Cables 17