You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
This is what the design is. The thickness of upstream and downstream connection is not the same, while the connection location is the same as shown in the picture below, for CVS400/630, the dimension C1=C2=26, which make sure the firm connection of the same cable or bar on upstream and downstream connection.