Appendix C -
EMC Requirements
To ensure compliance with the EMC directive, some care must be taken to ensure that the
units are installed properly, using suitable cables and connections. The following must be
observed:
Limitation of Emissions:
Data Connections
This product relies on the use of screened cables for connection to the 15 way and 25 way DB
ports. The cables must have the foil or braid screen connected effectively to the metal
headshell to ensure continued compliance. These headshells are available from Black Box
under the following part numbers:
DB25 - FA031
DB15 - FA033
The diagram below illustrates an example of a suitable screen connection. N.B. the foil or
braid screen is bent back over the 'C' clip to achieve a pressure contact of the screen against
the shell.
It is important to keep the screen to shell connection as short as possible.
Mains
Connection
The mains
connection is
internally
filtered and
requires no
special
consideration.
To Ensure Adequate Immunity is Achieved:
