The element <accessPointRef> describe/identify any access points such as panels, doors and hatches. The identifier of the access point can be given either thru the attribute accessPointNumber and/or the elements <name> and <refs>. For the use of the element <accessPointRef> in connection with common information repositories, refer to Chap 4.13.1 and Chap 3.9.5.2.11.5.This element is available in the product management data within the element <productionMaintData> and <reqCondCircuitBreaker> of preliminary requirements (refer to Chap 3.9.5.2.1.9) and within the element <para> of descriptive data modules.