CUE smartCUE - Manual (Page 8)

User Manual Interfaces
www.cuesystem.com
Page 8 of 44
3.3. Using O-ring Cable .....................................................
The Grounds of all interfaces are connected when Control Cable 9-pin is used. Sometimes it is
important to disconnect the "ground loop".
For example
• If smartCUE is used to control presentation software on PC, because the most of PC have
ground connected to power ground.
• If soundCUE is used for audio control and there are troubles with the noise.
In cases described above it is recommended to replace the Control Cable 9-pin by optically isolated
CUEring cable, type O-ring Cable (CS0106) and to use separated power source (CUEadapter /10W)
for each isolated interface.
Important notes
• O-ring Cable is capable only of one-way communication that means status of Power Express
units cannot be read.
• O-ring cable can be connected to the CUEring output of any interface
• O-ring cable can be connected to the CUEring input of smartCUE, soundCUE, analogCUE
Do not remember the proper grounding of the interface.