Installation Instructions   
 
 
 
Connecting devices 
 Warning 
 
The power supply plug must be withdrawn! 
 
Please read the documentation for the external devices prior to connecting 
them. 
 
During thunderstorms, plug connector must neither be inserted nor 
removed. 
 
When disconnecting a plug connector, always handle it at the plug. Do not 
pull the cable! 
 
 
Connecting cables 
 
The connections are located at the top of the Industrial PC and are 
documented in the product description chapter. 
 
When connecting the cables to the Industrial PC, proceed according to the 
following sequence: 
•  Switch off all the devices that are to be connected. 
•  Disconnect all the devices that are to be connected from the power 
supply. 
•  Connect all the cables between the Industrial PC and to the 
devices that are to be connected. 
•  Connect all data transfer cables (if present) to the appropriate 
plug-in receptacles of the data/telecommunication networks. 
•  Reconnect all devices to the power supply. 
 
 
Check voltage rating and connect. 
  With compact 100-240 V
AC
 50/60 Hz power supply: 
1.  Check that the mains voltage is correct. 
2.  Insert the power supply cable that you have assembled (see the 
section on Fitting the Power Supply Cable) into the Industrial PC's 
power supply socket. Then connect it to a power socket with a 
grounded earth connection. 
 
  When fitted with the (optional) 24 V
DC
 power supply unit: 
1.  Check that the external power supply is providing the correct 
voltage. 
2.  Insert the power supply cable that you have assembled (see the 
section on Fitting the Power Supply Cable) into the Industrial PC's 
power supply socket. Then connect it to your external 24 V power 
supply. 
 
 
 Warning 
 
If a 24 V UPS is installed, the correct type of rechargeable battery 
must be used. 
 
 
 
 
14   C61xx