• An extra port can be placed between modules to provide 2 auxiliary ports
• Its mounting position can be rotated to obtain the most convenient operating orientation
• If only one auxiliary port is to be used, the unused port must be closed with a pipe plug
• An extra port can be placed between modules to provide 2 auxiliary ports
• Its mounting position can be rotated to obtain the most convenient operating orientation
• If only one auxiliary port is to be used, the unused port must be closed with a pipe plug