content: from django.apps import AppConfig
  
  from netbox import denormalized
  
  
  class DCIMConfig(AppConfig):
      name = "dcim"
      verbose_name = "DCIM"
  
      def ready(self):
          from netbox.models.features import register_models
          from utilities.counters import connect_counters
          from . import signals, search  # noqa: F401
          from .models import CableTermination, Device, DeviceType, VirtualChassis
  
          # Register models
          register_models(*self.get_models())
  
          # Register denormalized fields
          denormalized.register(CableTermination, '_device', {
              '_rack': 'rack',
              '_location': 'location',
              '_site': 'site',
          })
          denormalized.register(CableTermination, '_rack', {
              '_location': 'location',
              '_site': 'site',
          })
          denormalized.register(CableTermination, '_location', {
              '_site': 'site',
          })
  
          # Register counters
          connect_counters(Device, DeviceType, VirtualChassis)
  