Auxiliary systems can have three different types of links, these are to:

• In Spans - This is a list of all the in spans that can be used with the auxiliary system
• Wire Supports - This is a list of all the wire supports that can be used with the auxiliary system
• Brackets (Bracket Slots) - This is a list of all the bracket slots that can be used with the auxiliary system, if a bracket slot is not linked to the auxiliary system, then no equipment can be placed with the auxiliary system using the slot