User`s manual
Schilling Marking Systems GmbH
In Grubenäcker 1 DE-78532 Tuttlingen
+49 (0)7461 9472-0 +49 (0)7461 9472-20
info@schilling-marking.de
www.schilling-marking.de
  MK3 - User’s Manual  21 
  Unpacking and installation 
Serial cable Controller-PC 
Connect the serial port COM1 or COM2 of the PC to the RS232 connector of the Control Unit 
with a cable of 15 m max. On the Control Unit the connector is 9 pins/female type. 
If the COM1/2 of the PC is equipped with a 9 pin connector, make the connections in the figure. 
If the COM1/2 of the PC is equipped with 25 pin connector, use an adapeter 25 pin/9 pin or end 
the PC side cable on 25 pin connector making the connections in the figure. 
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
7
8
13
14
25
6
20
Controller
PC
Controller
PC
9 pin male 9 pin female
9 pin male
25 pin female
RXD
TXD
GND
RXD
TXD
RXD
TXD
GND
Warning  The cable screen must be soldered to only one of the two connectors (side PC 
or Controller) 










