Tally Genicom T5023+ User Manual
Page 383

Appendix
Description of the physical interface
T5023/5023+ - Programming Guide
373
Cable connection document printer - PC
Pin-
No.
Document printer
9-pin plug
Cable
Pin-No.
PC
9-pin plug
1
Printer switched on
(+12V)
==>
1
DCD Data Carrier
Detect
2
RD Received Data
Serial data entry printer
‹==
3
TD Transmitted
Data
3
TD Transmitted Data
Serial data exit printer
==>
2
RD Received Data
4
DTR Data Terminal
Ready exit
In the DTR/Busy
protocol the ’ON’ status
signals the connected
device (signal receiver)
the readiness to receive
data
==>
6
DSR Data Set
Ready
5
SG-Signal Ground
<==>
5
SG-Signal Ground
6
DSR Data Set Ready
<==
4
DTR Data Terminal
Ready
7
RTS Request to Send
In the DTR/Busy
protocol the ’ON’ status
signals the connected
device (signal receiver)
the readiness to receive
data
==>
8
CTS Clear to Send