Equipment Identity Register

The NCIM database models the Equipment Identity Register (EIR) using several database tables.

The following UML diagram shows how NCIM models the EIR.

UML diagram showing how NCIM models the LTE Equipment Identity Register (EIR) — Figure 1. Equipment Identity Register (EIR) schema

The following table describes the NCIM relationship database tables and data dictionary that correspond to each class and relationship used to model the EIR.

Table 1. Classes and relationships for EIR
UML element	Modelled by NCIM table	Class or relationship	Data dictionary
collects	collects	Relationship	connects
contains	contains	Relationship	contains
eirFunction	eirFunction	Class	eirFunction
entityData	entityData	Class	entityData
lteInterface	lteInterface	Class	lteInterface
physicalChassis	physicalChassis	Class	physicalChassis
physicalInterface	networkInterface Where the entity type of the interface has the value 2.	Class	networkInterface