text: from utilities.choices import ChoiceSet
  
  
  #
  # Sites
  #
  
  class SiteStatusChoices(ChoiceSet):
      key = 'Site.status'
  
      STATUS_PLANNED = 'planned'
      STATUS_STAGING = 'staging'
      STATUS_ACTIVE = 'active'
      STATUS_DECOMMISSIONING = 'decommissioning'
      STATUS_RETIRED = 'retired'
  
      CHOICES = [
          (STATUS_PLANNED, 'Planned', 'cyan'),
          (STATUS_STAGING, 'Staging', 'blue'),
          (STATUS_ACTIVE, 'Active', 'green'),
          (STATUS_DECOMMISSIONING, 'Decommissioning', 'yellow'),
          (STATUS_RETIRED, 'Retired', 'red'),
      ]
  
  
  #
  # Racks
  #
  
  class RackTypeChoices(ChoiceSet):
  
      TYPE_2POST = '2-post-frame'
      TYPE_4POST = '4-post-frame'
      TYPE_CABINET = '4-post-cabinet'
      TYPE_WALLFRAME = 'wall-frame'
      TYPE_WALLCABINET = 'wall-cabinet'
  
      CHOICES = (
          (TYPE_2POST, '2-post frame'),
          (TYPE_4POST, '4-post frame'),
          (TYPE_CABINET, '4-post cabinet'),
          (TYPE_WALLFRAME, 'Wall-mounted frame'),
          (TYPE_WALLCABINET, 'Wall-mounted cabinet'),
      )
  
  
  class RackWidthChoices(ChoiceSet):
  
      WIDTH_10IN = 10
      WIDTH_19IN = 19
      WIDTH_21IN = 21
      WIDTH_23IN = 23
  
      CHOICES = (
          (WIDTH_10IN, '10 inches'),
          (WIDTH_19IN, '19 inches'),
          (WIDTH_21IN, '21 inches'),
          (WIDTH_23IN, '23 inches'),
      )
  
  
  class RackStatusChoices(ChoiceSet):
      key = 'Rack.status'
  
      STATUS_RESERVED = 'reserved'
      STATUS_AVAILABLE = 'available'
      STATUS_PLANNED = 'planned'
      STATUS_ACTIVE = 'active'
      STATUS_DEPRECATED = 'deprecated'
  
      CHOICES = [
          (STATUS_RESERVED, 'Reserved', 'yellow'),
          (STATUS_AVAILABLE, 'Available', 'green'),
          (STATUS_PLANNED, 'Planned', 'cyan'),
          (STATUS_ACTIVE, 'Active', 'blue'),
          (STATUS_DEPRECATED, 'Deprecated', 'red'),
      ]
  
  
  class RackDimensionUnitChoices(ChoiceSet):
  
      UNIT_MILLIMETER = 'mm'
      UNIT_INCH = 'in'
  
      CHOICES = (
          (UNIT_MILLIMETER, 'Millimeters'),
          (UNIT_INCH, 'Inches'),
      )
  
  
  class RackElevationDetailRenderChoices(ChoiceSet):
  
      RENDER_JSON = 'json'
      RENDER_SVG = 'svg'
  
      CHOICES = (
          (RENDER_JSON, 'json'),
          (RENDER_SVG, 'svg')
      )
  
  
  #
  # DeviceTypes
  #
  
  class SubdeviceRoleChoices(ChoiceSet):
  
      ROLE_PARENT = 'parent'
      ROLE_CHILD = 'child'
  
      CHOICES = (
          (ROLE_PARENT, 'Parent'),
          (ROLE_CHILD, 'Child'),
      )
  
  
  #
  # Devices
  #
  
  class DeviceFaceChoices(ChoiceSet):
  
      FACE_FRONT = 'front'
      FACE_REAR = 'rear'
  
      CHOICES = (
          (FACE_FRONT, 'Front'),
          (FACE_REAR, 'Rear'),
      )
  
  
  class DeviceStatusChoices(ChoiceSet):
      key = 'Device.status'
  
      STATUS_OFFLINE = 'offline'
      STATUS_ACTIVE = 'active'
      STATUS_PLANNED = 'planned'
      STATUS_STAGED = 'staged'
      STATUS_FAILED = 'failed'
      STATUS_INVENTORY = 'inventory'
      STATUS_DECOMMISSIONING = 'decommissioning'
  
      CHOICES = [
          (STATUS_OFFLINE, 'Offline', 'gray'),
          (STATUS_ACTIVE, 'Active', 'green'),
          (STATUS_PLANNED, 'Planned', 'cyan'),
          (STATUS_STAGED, 'Staged', 'blue'),
          (STATUS_FAILED, 'Failed', 'red'),
          (STATUS_INVENTORY, 'Inventory', 'purple'),
          (STATUS_DECOMMISSIONING, 'Decommissioning', 'yellow'),
      ]
  
  
  class DeviceAirflowChoices(ChoiceSet):
  
      AIRFLOW_FRONT_TO_REAR = 'front-to-rear'
      AIRFLOW_REAR_TO_FRONT = 'rear-to-front'
      AIRFLOW_LEFT_TO_RIGHT = 'left-to-right'
      AIRFLOW_RIGHT_TO_LEFT = 'right-to-left'
      AIRFLOW_SIDE_TO_REAR = 'side-to-rear'
      AIRFLOW_PASSIVE = 'passive'
      AIRFLOW_MIXED = 'mixed'
  
      CHOICES = (
          (AIRFLOW_FRONT_TO_REAR, 'Front to rear'),
          (AIRFLOW_REAR_TO_FRONT, 'Rear to front'),
          (AIRFLOW_LEFT_TO_RIGHT, 'Left to right'),
          (AIRFLOW_RIGHT_TO_LEFT, 'Right to left'),
          (AIRFLOW_SIDE_TO_REAR, 'Side to rear'),
          (AIRFLOW_PASSIVE, 'Passive'),
          (AIRFLOW_MIXED, 'Mixed'),
      )
  
  
  #
  # ConsolePorts
  #
  
  class ConsolePortTypeChoices(ChoiceSet):
  
      TYPE_DE9 = 'de-9'
      TYPE_DB25 = 'db-25'
      TYPE_RJ11 = 'rj-11'
      TYPE_RJ12 = 'rj-12'
      TYPE_RJ45 = 'rj-45'
      TYPE_MINI_DIN_8 = 'mini-din-8'
      TYPE_USB_A = 'usb-a'
      TYPE_USB_B = 'usb-b'
      TYPE_USB_C = 'usb-c'
      TYPE_USB_MINI_A = 'usb-mini-a'
      TYPE_USB_MINI_B = 'usb-mini-b'
      TYPE_USB_MICRO_A = 'usb-micro-a'
      TYPE_USB_MICRO_B = 'usb-micro-b'
      TYPE_USB_MICRO_AB = 'usb-micro-ab'
      TYPE_OTHER = 'other'
  
      CHOICES = (
          ('Serial', (
              (TYPE_DE9, 'DE-9'),
              (TYPE_DB25, 'DB-25'),
              (TYPE_RJ11, 'RJ-11'),
              (TYPE_RJ12, 'RJ-12'),
              (TYPE_RJ45, 'RJ-45'),
              (TYPE_MINI_DIN_8, 'Mini-DIN 8'),
          )),
          ('USB', (
              (TYPE_USB_A, 'USB Type A'),
              (TYPE_USB_B, 'USB Type B'),
              (TYPE_USB_C, 'USB Type C'),
              (TYPE_USB_MINI_A, 'USB Mini A'),
              (TYPE_USB_MINI_B, 'USB Mini B'),
              (TYPE_USB_MICRO_A, 'USB Micro A'),
              (TYPE_USB_MICRO_B, 'USB Micro B'),
              (TYPE_USB_MICRO_AB, 'USB Micro AB'),
          )),
          ('Other', (
              (TYPE_OTHER, 'Other'),
          )),
      )
  
  
  class ConsolePortSpeedChoices(ChoiceSet):
  
      SPEED_1200 = 1200
      SPEED_2400 = 2400
      SPEED_4800 = 4800
      SPEED_9600 = 9600
      SPEED_19200 = 19200
      SPEED_38400 = 38400
      SPEED_57600 = 57600
      SPEED_115200 = 115200
  
      CHOICES = (
          (SPEED_1200, '1200 bps'),
          (SPEED_2400, '2400 bps'),
          (SPEED_4800, '4800 bps'),
          (SPEED_9600, '9600 bps'),
          (SPEED_19200, '19.2 kbps'),
          (SPEED_38400, '38.4 kbps'),
          (SPEED_57600, '57.6 kbps'),
          (SPEED_115200, '115.2 kbps'),
      )
  
  
  #
  # PowerPorts
  #
  
  class PowerPortTypeChoices(ChoiceSet):
  
      # IEC 60320
      TYPE_IEC_C6 = 'iec-60320-c6'
      TYPE_IEC_C8 = 'iec-60320-c8'
      TYPE_IEC_C14 = 'iec-60320-c14'
      TYPE_IEC_C16 = 'iec-60320-c16'
      TYPE_IEC_C20 = 'iec-60320-c20'
      TYPE_IEC_C22 = 'iec-60320-c22'
      # IEC 60309
      TYPE_IEC_PNE4H = 'iec-60309-p-n-e-4h'
      TYPE_IEC_PNE6H = 'iec-60309-p-n-e-6h'
      TYPE_IEC_PNE9H = 'iec-60309-p-n-e-9h'
      TYPE_IEC_2PE4H = 'iec-60309-2p-e-4h'
      TYPE_IEC_2PE6H = 'iec-60309-2p-e-6h'
      TYPE_IEC_2PE9H = 'iec-60309-2p-e-9h'
      TYPE_IEC_3PE4H = 'iec-60309-3p-e-4h'
      TYPE_IEC_3PE6H = 'iec-60309-3p-e-6h'
      TYPE_IEC_3PE9H = 'iec-60309-3p-e-9h'
      TYPE_IEC_3PNE4H = 'iec-60309-3p-n-e-4h'
      TYPE_IEC_3PNE6H = 'iec-60309-3p-n-e-6h'
      TYPE_IEC_3PNE9H = 'iec-60309-3p-n-e-9h'
      # NEMA non-locking
      TYPE_NEMA_115P = 'nema-1-15p'
      TYPE_NEMA_515P = 'nema-5-15p'
      TYPE_NEMA_520P = 'nema-5-20p'
      TYPE_NEMA_530P = 'nema-5-30p'
      TYPE_NEMA_550P = 'nema-5-50p'
      TYPE_NEMA_615P = 'nema-6-15p'
      TYPE_NEMA_620P = 'nema-6-20p'
      TYPE_NEMA_630P = 'nema-6-30p'
      TYPE_NEMA_650P = 'nema-6-50p'
      TYPE_NEMA_1030P = 'nema-10-30p'
      TYPE_NEMA_1050P = 'nema-10-50p'
      TYPE_NEMA_1420P = 'nema-14-20p'
      TYPE_NEMA_1430P = 'nema-14-30p'
      TYPE_NEMA_1450P = 'nema-14-50p'
      TYPE_NEMA_1460P = 'nema-14-60p'
      TYPE_NEMA_1515P = 'nema-15-15p'
      TYPE_NEMA_1520P = 'nema-15-20p'
      TYPE_NEMA_1530P = 'nema-15-30p'
      TYPE_NEMA_1550P = 'nema-15-50p'
      TYPE_NEMA_1560P = 'nema-15-60p'
      # NEMA locking
      TYPE_NEMA_L115P = 'nema-l1-15p'
      TYPE_NEMA_L515P = 'nema-l5-15p'
      TYPE_NEMA_L520P = 'nema-l5-20p'
      TYPE_NEMA_L530P = 'nema-l5-30p'
      TYPE_NEMA_L550P = 'nema-l5-50p'
      TYPE_NEMA_L615P = 'nema-l6-15p'
      TYPE_NEMA_L620P = 'nema-l6-20p'
      TYPE_NEMA_L630P = 'nema-l6-30p'
      TYPE_NEMA_L650P = 'nema-l6-50p'
      TYPE_NEMA_L1030P = 'nema-l10-30p'
      TYPE_NEMA_L1420P = 'nema-l14-20p'
      TYPE_NEMA_L1430P = 'nema-l14-30p'
      TYPE_NEMA_L1450P = 'nema-l14-50p'
      TYPE_NEMA_L1460P = 'nema-l14-60p'
      TYPE_NEMA_L1520P = 'nema-l15-20p'
      TYPE_NEMA_L1530P = 'nema-l15-30p'
      TYPE_NEMA_L1550P = 'nema-l15-50p'
      TYPE_NEMA_L1560P = 'nema-l15-60p'
      TYPE_NEMA_L2120P = 'nema-l21-20p'
      TYPE_NEMA_L2130P = 'nema-l21-30p'
      TYPE_NEMA_L2230P = 'nema-l22-30p'
      # California style
      TYPE_CS6361C = 'cs6361c'
      TYPE_CS6365C = 'cs6365c'
      TYPE_CS8165C = 'cs8165c'
      TYPE_CS8265C = 'cs8265c'
      TYPE_CS8365C = 'cs8365c'
      TYPE_CS8465C = 'cs8465c'
      # ITA/international
      TYPE_ITA_C = 'ita-c'
      TYPE_ITA_E = 'ita-e'
      TYPE_ITA_F = 'ita-f'
      TYPE_ITA_EF = 'ita-ef'
      TYPE_ITA_G = 'ita-g'
      TYPE_ITA_H = 'ita-h'
      TYPE_ITA_I = 'ita-i'
      TYPE_ITA_J = 'ita-j'
      TYPE_ITA_K = 'ita-k'
      TYPE_ITA_L = 'ita-l'
      TYPE_ITA_M = 'ita-m'
      TYPE_ITA_N = 'ita-n'
      TYPE_ITA_O = 'ita-o'
      # USB
      TYPE_USB_A = 'usb-a'
      TYPE_USB_B = 'usb-b'
      TYPE_USB_C = 'usb-c'
      TYPE_USB_MINI_A = 'usb-mini-a'
      TYPE_USB_MINI_B = 'usb-mini-b'
      TYPE_USB_MICRO_A = 'usb-micro-a'
      TYPE_USB_MICRO_B = 'usb-micro-b'
      TYPE_USB_MICRO_AB = 'usb-micro-ab'
      TYPE_USB_3_B = 'usb-3-b'
      TYPE_USB_3_MICROB = 'usb-3-micro-b'
      # Direct current (DC)
      TYPE_DC = 'dc-terminal'
      # Proprietary
      TYPE_SAF_D_GRID = 'saf-d-grid'
      TYPE_NEUTRIK_POWERCON_20A = 'neutrik-powercon-20'
      TYPE_NEUTRIK_POWERCON_32A = 'neutrik-powercon-32'
      TYPE_NEUTRIK_POWERCON_TRUE1 = 'neutrik-powercon-true1'
      TYPE_NEUTRIK_POWERCON_TRUE1_TOP = 'neutrik-powercon-true1-top'
      TYPE_UBIQUITI_SMARTPOWER = 'ubiquiti-smartpower'
      # Other
      TYPE_HARDWIRED = 'hardwired'
      TYPE_OTHER = 'other'
  
      CHOICES = (
          ('IEC 60320', (
              (TYPE_IEC_C6, 'C6'),
              (TYPE_IEC_C8, 'C8'),
              (TYPE_IEC_C14, 'C14'),
              (TYPE_IEC_C16, 'C16'),
              (TYPE_IEC_C20, 'C20'),
              (TYPE_IEC_C22, 'C22'),
          )),
          ('IEC 60309', (
              (TYPE_IEC_PNE4H, 'P+N+E 4H'),
              (TYPE_IEC_PNE6H, 'P+N+E 6H'),
              (TYPE_IEC_PNE9H, 'P+N+E 9H'),
              (TYPE_IEC_2PE4H, '2P+E 4H'),
              (TYPE_IEC_2PE6H, '2P+E 6H'),
              (TYPE_IEC_2PE9H, '2P+E 9H'),
              (TYPE_IEC_3PE4H, '3P+E 4H'),
              (TYPE_IEC_3PE6H, '3P+E 6H'),
              (TYPE_IEC_3PE9H, '3P+E 9H'),
              (TYPE_IEC_3PNE4H, '3P+N+E 4H'),
              (TYPE_IEC_3PNE6H, '3P+N+E 6H'),
              (TYPE_IEC_3PNE9H, '3P+N+E 9H'),
          )),
          ('NEMA (Non-locking)', (
              (TYPE_NEMA_115P, 'NEMA 1-15P'),
              (TYPE_NEMA_515P, 'NEMA 5-15P'),
              (TYPE_NEMA_520P, 'NEMA 5-20P'),
              (TYPE_NEMA_530P, 'NEMA 5-30P'),
              (TYPE_NEMA_550P, 'NEMA 5-50P'),
              (TYPE_NEMA_615P, 'NEMA 6-15P'),
              (TYPE_NEMA_620P, 'NEMA 6-20P'),
              (TYPE_NEMA_630P, 'NEMA 6-30P'),
              (TYPE_NEMA_650P, 'NEMA 6-50P'),
              (TYPE_NEMA_1030P, 'NEMA 10-30P'),
              (TYPE_NEMA_1050P, 'NEMA 10-50P'),
              (TYPE_NEMA_1420P, 'NEMA 14-20P'),
              (TYPE_NEMA_1430P, 'NEMA 14-30P'),
              (TYPE_NEMA_1450P, 'NEMA 14-50P'),
              (TYPE_NEMA_1460P, 'NEMA 14-60P'),
              (TYPE_NEMA_1515P, 'NEMA 15-15P'),
              (TYPE_NEMA_1520P, 'NEMA 15-20P'),
              (TYPE_NEMA_1530P, 'NEMA 15-30P'),
              (TYPE_NEMA_1550P, 'NEMA 15-50P'),
              (TYPE_NEMA_1560P, 'NEMA 15-60P'),
          )),
          ('NEMA (Locking)', (
              (TYPE_NEMA_L115P, 'NEMA L1-15P'),
              (TYPE_NEMA_L515P, 'NEMA L5-15P'),
              (TYPE_NEMA_L520P, 'NEMA L5-20P'),
              (TYPE_NEMA_L530P, 'NEMA L5-30P'),
              (TYPE_NEMA_L550P, 'NEMA L5-50P'),
              (TYPE_NEMA_L615P, 'NEMA L6-15P'),
              (TYPE_NEMA_L620P, 'NEMA L6-20P'),
              (TYPE_NEMA_L630P, 'NEMA L6-30P'),
              (TYPE_NEMA_L650P, 'NEMA L6-50P'),
              (TYPE_NEMA_L1030P, 'NEMA L10-30P'),
              (TYPE_NEMA_L1420P, 'NEMA L14-20P'),
              (TYPE_NEMA_L1430P, 'NEMA L14-30P'),
              (TYPE_NEMA_L1450P, 'NEMA L14-50P'),
              (TYPE_NEMA_L1460P, 'NEMA L14-60P'),
              (TYPE_NEMA_L1520P, 'NEMA L15-20P'),
              (TYPE_NEMA_L1530P, 'NEMA L15-30P'),
              (TYPE_NEMA_L1550P, 'NEMA L15-50P'),
              (TYPE_NEMA_L1560P, 'NEMA L15-60P'),
              (TYPE_NEMA_L2120P, 'NEMA L21-20P'),
              (TYPE_NEMA_L2130P, 'NEMA L21-30P'),
              (TYPE_NEMA_L2230P, 'NEMA L22-30P'),
          )),
          ('California Style', (
              (TYPE_CS6361C, 'CS6361C'),
              (TYPE_CS6365C, 'CS6365C'),
              (TYPE_CS8165C, 'CS8165C'),
              (TYPE_CS8265C, 'CS8265C'),
              (TYPE_CS8365C, 'CS8365C'),
              (TYPE_CS8465C, 'CS8465C'),
          )),
          ('International/ITA', (
              (TYPE_ITA_C, 'ITA Type C (CEE 7/16)'),
              (TYPE_ITA_E, 'ITA Type E (CEE 7/6)'),
              (TYPE_ITA_F, 'ITA Type F (CEE 7/4)'),
              (TYPE_ITA_EF, 'ITA Type E/F (CEE 7/7)'),
              (TYPE_ITA_G, 'ITA Type G (BS 1363)'),
              (TYPE_ITA_H, 'ITA Type H'),
              (TYPE_ITA_I, 'ITA Type I'),
              (TYPE_ITA_J, 'ITA Type J'),
              (TYPE_ITA_K, 'ITA Type K'),
              (TYPE_ITA_L, 'ITA Type L (CEI 23-50)'),
              (TYPE_ITA_M, 'ITA Type M (BS 546)'),
              (TYPE_ITA_N, 'ITA Type N'),
              (TYPE_ITA_O, 'ITA Type O'),
          )),
          ('USB', (
              (TYPE_USB_A, 'USB Type A'),
              (TYPE_USB_B, 'USB Type B'),
              (TYPE_USB_C, 'USB Type C'),
              (TYPE_USB_MINI_A, 'USB Mini A'),
              (TYPE_USB_MINI_B, 'USB Mini B'),
              (TYPE_USB_MICRO_A, 'USB Micro A'),
              (TYPE_USB_MICRO_B, 'USB Micro B'),
              (TYPE_USB_MICRO_AB, 'USB Micro AB'),
              (TYPE_USB_3_B, 'USB 3.0 Type B'),
              (TYPE_USB_3_MICROB, 'USB 3.0 Micro B'),
          )),
          ('DC', (
              (TYPE_DC, 'DC Terminal'),
          )),
          ('Proprietary', (
              (TYPE_SAF_D_GRID, 'Saf-D-Grid'),
              (TYPE_NEUTRIK_POWERCON_20A, 'Neutrik powerCON (20A)'),
              (TYPE_NEUTRIK_POWERCON_32A, 'Neutrik powerCON (32A)'),
              (TYPE_NEUTRIK_POWERCON_TRUE1, 'Neutrik powerCON TRUE1'),
              (TYPE_NEUTRIK_POWERCON_TRUE1_TOP, 'Neutrik powerCON TRUE1 TOP'),
              (TYPE_UBIQUITI_SMARTPOWER, 'Ubiquiti SmartPower'),
          )),
          ('Other', (
              (TYPE_HARDWIRED, 'Hardwired'),
              (TYPE_OTHER, 'Other'),
          )),
      )
  
  
  #
  # PowerOutlets
  #
  
  class PowerOutletTypeChoices(ChoiceSet):
  
      # IEC 60320
      TYPE_IEC_C5 = 'iec-60320-c5'
      TYPE_IEC_C7 = 'iec-60320-c7'
      TYPE_IEC_C13 = 'iec-60320-c13'
      TYPE_IEC_C15 = 'iec-60320-c15'
      TYPE_IEC_C19 = 'iec-60320-c19'
      TYPE_IEC_C21 = 'iec-60320-c21'
      # IEC 60309
      TYPE_IEC_PNE4H = 'iec-60309-p-n-e-4h'
      TYPE_IEC_PNE6H = 'iec-60309-p-n-e-6h'
      TYPE_IEC_PNE9H = 'iec-60309-p-n-e-9h'
      TYPE_IEC_2PE4H = 'iec-60309-2p-e-4h'
      TYPE_IEC_2PE6H = 'iec-60309-2p-e-6h'
      TYPE_IEC_2PE9H = 'iec-60309-2p-e-9h'
      TYPE_IEC_3PE4H = 'iec-60309-3p-e-4h'
      TYPE_IEC_3PE6H = 'iec-60309-3p-e-6h'
      TYPE_IEC_3PE9H = 'iec-60309-3p-e-9h'
      TYPE_IEC_3PNE4H = 'iec-60309-3p-n-e-4h'
      TYPE_IEC_3PNE6H = 'iec-60309-3p-n-e-6h'
      TYPE_IEC_3PNE9H = 'iec-60309-3p-n-e-9h'
      # NEMA non-locking
      TYPE_NEMA_115R = 'nema-1-15r'
      TYPE_NEMA_515R = 'nema-5-15r'
      TYPE_NEMA_520R = 'nema-5-20r'
      TYPE_NEMA_530R = 'nema-5-30r'
      TYPE_NEMA_550R = 'nema-5-50r'
      TYPE_NEMA_615R = 'nema-6-15r'
      TYPE_NEMA_620R = 'nema-6-20r'
      TYPE_NEMA_630R = 'nema-6-30r'
      TYPE_NEMA_650R = 'nema-6-50r'
      TYPE_NEMA_1030R = 'nema-10-30r'
      TYPE_NEMA_1050R = 'nema-10-50r'
      TYPE_NEMA_1420R = 'nema-14-20r'
      TYPE_NEMA_1430R = 'nema-14-30r'
      TYPE_NEMA_1450R = 'nema-14-50r'
      TYPE_NEMA_1460R = 'nema-14-60r'
      TYPE_NEMA_1515R = 'nema-15-15r'
      TYPE_NEMA_1520R = 'nema-15-20r'
      TYPE_NEMA_1530R = 'nema-15-30r'
      TYPE_NEMA_1550R = 'nema-15-50r'
      TYPE_NEMA_1560R = 'nema-15-60r'
      # NEMA locking
      TYPE_NEMA_L115R = 'nema-l1-15r'
      TYPE_NEMA_L515R = 'nema-l5-15r'
      TYPE_NEMA_L520R = 'nema-l5-20r'
      TYPE_NEMA_L530R = 'nema-l5-30r'
      TYPE_NEMA_L550R = 'nema-l5-50r'
      TYPE_NEMA_L615R = 'nema-l6-15r'
      TYPE_NEMA_L620R = 'nema-l6-20r'
      TYPE_NEMA_L630R = 'nema-l6-30r'
      TYPE_NEMA_L650R = 'nema-l6-50r'
      TYPE_NEMA_L1030R = 'nema-l10-30r'
      TYPE_NEMA_L1420R = 'nema-l14-20r'
      TYPE_NEMA_L1430R = 'nema-l14-30r'
      TYPE_NEMA_L1450R = 'nema-l14-50r'
      TYPE_NEMA_L1460R = 'nema-l14-60r'
      TYPE_NEMA_L1520R = 'nema-l15-20r'
      TYPE_NEMA_L1530R = 'nema-l15-30r'
      TYPE_NEMA_L1550R = 'nema-l15-50r'
      TYPE_NEMA_L1560R = 'nema-l15-60r'
      TYPE_NEMA_L2120R = 'nema-l21-20r'
      TYPE_NEMA_L2130R = 'nema-l21-30r'
      TYPE_NEMA_L2230R = 'nema-l22-30r'
      # California style
      TYPE_CS6360C = 'CS6360C'
      TYPE_CS6364C = 'CS6364C'
      TYPE_CS8164C = 'CS8164C'
      TYPE_CS8264C = 'CS8264C'
      TYPE_CS8364C = 'CS8364C'
      TYPE_CS8464C = 'CS8464C'
      # ITA/international
      TYPE_ITA_E = 'ita-e'
      TYPE_ITA_F = 'ita-f'
      TYPE_ITA_G = 'ita-g'
      TYPE_ITA_H = 'ita-h'
      TYPE_ITA_I = 'ita-i'
      TYPE_ITA_J = 'ita-j'
      TYPE_ITA_K = 'ita-k'
      TYPE_ITA_L = 'ita-l'
      TYPE_ITA_M = 'ita-m'
      TYPE_ITA_N = 'ita-n'
      TYPE_ITA_O = 'ita-o'
      TYPE_ITA_MULTISTANDARD = 'ita-multistandard'
      # USB
      TYPE_USB_A = 'usb-a'
      TYPE_USB_MICROB = 'usb-micro-b'
      TYPE_USB_C = 'usb-c'
      # Direct current (DC)
      TYPE_DC = 'dc-terminal'
      # Proprietary
      TYPE_HDOT_CX = 'hdot-cx'
      TYPE_SAF_D_GRID = 'saf-d-grid'
      TYPE_NEUTRIK_POWERCON_20A = 'neutrik-powercon-20a'
      TYPE_NEUTRIK_POWERCON_32A = 'neutrik-powercon-32a'
      TYPE_NEUTRIK_POWERCON_TRUE1 = 'neutrik-powercon-true1'
      TYPE_NEUTRIK_POWERCON_TRUE1_TOP = 'neutrik-powercon-true1-top'
      TYPE_UBIQUITI_SMARTPOWER = 'ubiquiti-smartpower'
      # Other
      TYPE_HARDWIRED = 'hardwired'
      TYPE_OTHER = 'other'
  
      CHOICES = (
          ('IEC 60320', (
              (TYPE_IEC_C5, 'C5'),
              (TYPE_IEC_C7, 'C7'),
              (TYPE_IEC_C13, 'C13'),
              (TYPE_IEC_C15, 'C15'),
              (TYPE_IEC_C19, 'C19'),
              (TYPE_IEC_C21, 'C21'),
          )),
          ('IEC 60309', (
              (TYPE_IEC_PNE4H, 'P+N+E 4H'),
              (TYPE_IEC_PNE6H, 'P+N+E 6H'),
              (TYPE_IEC_PNE9H, 'P+N+E 9H'),
              (TYPE_IEC_2PE4H, '2P+E 4H'),
              (TYPE_IEC_2PE6H, '2P+E 6H'),
              (TYPE_IEC_2PE9H, '2P+E 9H'),
              (TYPE_IEC_3PE4H, '3P+E 4H'),
              (TYPE_IEC_3PE6H, '3P+E 6H'),
              (TYPE_IEC_3PE9H, '3P+E 9H'),
              (TYPE_IEC_3PNE4H, '3P+N+E 4H'),
              (TYPE_IEC_3PNE6H, '3P+N+E 6H'),
              (TYPE_IEC_3PNE9H, '3P+N+E 9H'),
          )),
          ('NEMA (Non-locking)', (
              (TYPE_NEMA_115R, 'NEMA 1-15R'),
              (TYPE_NEMA_515R, 'NEMA 5-15R'),
              (TYPE_NEMA_520R, 'NEMA 5-20R'),
              (TYPE_NEMA_530R, 'NEMA 5-30R'),
              (TYPE_NEMA_550R, 'NEMA 5-50R'),
              (TYPE_NEMA_615R, 'NEMA 6-15R'),
              (TYPE_NEMA_620R, 'NEMA 6-20R'),
              (TYPE_NEMA_630R, 'NEMA 6-30R'),
              (TYPE_NEMA_650R, 'NEMA 6-50R'),
              (TYPE_NEMA_1030R, 'NEMA 10-30R'),
              (TYPE_NEMA_1050R, 'NEMA 10-50R'),
              (TYPE_NEMA_1420R, 'NEMA 14-20R'),
              (TYPE_NEMA_1430R, 'NEMA 14-30R'),
              (TYPE_NEMA_1450R, 'NEMA 14-50R'),
              (TYPE_NEMA_1460R, 'NEMA 14-60R'),
              (TYPE_NEMA_1515R, 'NEMA 15-15R'),
              (TYPE_NEMA_1520R, 'NEMA 15-20R'),
              (TYPE_NEMA_1530R, 'NEMA 15-30R'),
              (TYPE_NEMA_1550R, 'NEMA 15-50R'),
              (TYPE_NEMA_1560R, 'NEMA 15-60R'),
          )),
          ('NEMA (Locking)', (
              (TYPE_NEMA_L115R, 'NEMA L1-15R'),
              (TYPE_NEMA_L515R, 'NEMA L5-15R'),
              (TYPE_NEMA_L520R, 'NEMA L5-20R'),
              (TYPE_NEMA_L530R, 'NEMA L5-30R'),
              (TYPE_NEMA_L550R, 'NEMA L5-50R'),
              (TYPE_NEMA_L615R, 'NEMA L6-15R'),
              (TYPE_NEMA_L620R, 'NEMA L6-20R'),
              (TYPE_NEMA_L630R, 'NEMA L6-30R'),
              (TYPE_NEMA_L650R, 'NEMA L6-50R'),
              (TYPE_NEMA_L1030R, 'NEMA L10-30R'),
              (TYPE_NEMA_L1420R, 'NEMA L14-20R'),
              (TYPE_NEMA_L1430R, 'NEMA L14-30R'),
              (TYPE_NEMA_L1450R, 'NEMA L14-50R'),
              (TYPE_NEMA_L1460R, 'NEMA L14-60R'),
              (TYPE_NEMA_L1520R, 'NEMA L15-20R'),
              (TYPE_NEMA_L1530R, 'NEMA L15-30R'),
              (TYPE_NEMA_L1550R, 'NEMA L15-50R'),
              (TYPE_NEMA_L1560R, 'NEMA L15-60R'),
              (TYPE_NEMA_L2120R, 'NEMA L21-20R'),
              (TYPE_NEMA_L2130R, 'NEMA L21-30R'),
              (TYPE_NEMA_L2230R, 'NEMA L22-30R'),
          )),
          ('California Style', (
              (TYPE_CS6360C, 'CS6360C'),
              (TYPE_CS6364C, 'CS6364C'),
              (TYPE_CS8164C, 'CS8164C'),
              (TYPE_CS8264C, 'CS8264C'),
              (TYPE_CS8364C, 'CS8364C'),
              (TYPE_CS8464C, 'CS8464C'),
          )),
          ('ITA/International', (
              (TYPE_ITA_E, 'ITA Type E (CEE 7/5)'),
              (TYPE_ITA_F, 'ITA Type F (CEE 7/3)'),
              (TYPE_ITA_G, 'ITA Type G (BS 1363)'),
              (TYPE_ITA_H, 'ITA Type H'),
              (TYPE_ITA_I, 'ITA Type I'),
              (TYPE_ITA_J, 'ITA Type J'),
              (TYPE_ITA_K, 'ITA Type K'),
              (TYPE_ITA_L, 'ITA Type L (CEI 23-50)'),
              (TYPE_ITA_M, 'ITA Type M (BS 546)'),
              (TYPE_ITA_N, 'ITA Type N'),
              (TYPE_ITA_O, 'ITA Type O'),
              (TYPE_ITA_MULTISTANDARD, 'ITA Multistandard'),
          )),
          ('USB', (
              (TYPE_USB_A, 'USB Type A'),
              (TYPE_USB_MICROB, 'USB Micro B'),
              (TYPE_USB_C, 'USB Type C'),
          )),
          ('DC', (
              (TYPE_DC, 'DC Terminal'),
          )),
          ('Proprietary', (
              (TYPE_HDOT_CX, 'HDOT Cx'),
              (TYPE_SAF_D_GRID, 'Saf-D-Grid'),
              (TYPE_NEUTRIK_POWERCON_20A, 'Neutrik powerCON (20A)'),
              (TYPE_NEUTRIK_POWERCON_32A, 'Neutrik powerCON (32A)'),
              (TYPE_NEUTRIK_POWERCON_TRUE1, 'Neutrik powerCON TRUE1'),
              (TYPE_NEUTRIK_POWERCON_TRUE1_TOP, 'Neutrik powerCON TRUE1 TOP'),
              (TYPE_UBIQUITI_SMARTPOWER, 'Ubiquiti SmartPower'),
          )),
          ('Other', (
              (TYPE_HARDWIRED, 'Hardwired'),
              (TYPE_OTHER, 'Other'),
          )),
      )
  
  
  class PowerOutletFeedLegChoices(ChoiceSet):
  
      FEED_LEG_A = 'A'
      FEED_LEG_B = 'B'
      FEED_LEG_C = 'C'
  
      CHOICES = (
          (FEED_LEG_A, 'A'),
          (FEED_LEG_B, 'B'),
          (FEED_LEG_C, 'C'),
      )
  
  
  #
  # Interfaces
  #
  
  class InterfaceKindChoices(ChoiceSet):
      KIND_PHYSICAL = 'physical'
      KIND_VIRTUAL = 'virtual'
      KIND_WIRELESS = 'wireless'
  
      CHOICES = (
          (KIND_PHYSICAL, 'Physical'),
          (KIND_VIRTUAL, 'Virtual'),
          (KIND_WIRELESS, 'Wireless'),
      )
  
  
  class InterfaceTypeChoices(ChoiceSet):
  
      # Virtual
      TYPE_VIRTUAL = 'virtual'
      TYPE_BRIDGE = 'bridge'
      TYPE_LAG = 'lag'
  
      # Ethernet
      TYPE_100ME_FIXED = '100base-tx'
      TYPE_1GE_FIXED = '1000base-t'
      TYPE_1GE_GBIC = '1000base-x-gbic'
      TYPE_1GE_SFP = '1000base-x-sfp'
      TYPE_2GE_FIXED = '2.5gbase-t'
      TYPE_5GE_FIXED = '5gbase-t'
      TYPE_10GE_FIXED = '10gbase-t'
      TYPE_10GE_CX4 = '10gbase-cx4'
      TYPE_10GE_SFP_PLUS = '10gbase-x-sfpp'
      TYPE_10GE_XFP = '10gbase-x-xfp'
      TYPE_10GE_XENPAK = '10gbase-x-xenpak'
      TYPE_10GE_X2 = '10gbase-x-x2'
      TYPE_25GE_SFP28 = '25gbase-x-sfp28'
      TYPE_50GE_SFP56 = '50gbase-x-sfp56'
      TYPE_40GE_QSFP_PLUS = '40gbase-x-qsfpp'
      TYPE_50GE_QSFP28 = '50gbase-x-sfp28'
      TYPE_100GE_CFP = '100gbase-x-cfp'
      TYPE_100GE_CFP2 = '100gbase-x-cfp2'
      TYPE_100GE_CFP4 = '100gbase-x-cfp4'
      TYPE_100GE_CPAK = '100gbase-x-cpak'
      TYPE_100GE_QSFP28 = '100gbase-x-qsfp28'
      TYPE_200GE_CFP2 = '200gbase-x-cfp2'
      TYPE_200GE_QSFP56 = '200gbase-x-qsfp56'
      TYPE_400GE_QSFP_DD = '400gbase-x-qsfpdd'
      TYPE_400GE_OSFP = '400gbase-x-osfp'
  
      # Wireless
      TYPE_80211A = 'ieee802.11a'
      TYPE_80211G = 'ieee802.11g'
      TYPE_80211N = 'ieee802.11n'
      TYPE_80211AC = 'ieee802.11ac'
      TYPE_80211AD = 'ieee802.11ad'
      TYPE_80211AX = 'ieee802.11ax'
      TYPE_802151 = 'ieee802.15.1'
  
      # Cellular
      TYPE_GSM = 'gsm'
      TYPE_CDMA = 'cdma'
      TYPE_LTE = 'lte'
  
      # SONET
      TYPE_SONET_OC3 = 'sonet-oc3'
      TYPE_SONET_OC12 = 'sonet-oc12'
      TYPE_SONET_OC48 = 'sonet-oc48'
      TYPE_SONET_OC192 = 'sonet-oc192'
      TYPE_SONET_OC768 = 'sonet-oc768'
      TYPE_SONET_OC1920 = 'sonet-oc1920'
      TYPE_SONET_OC3840 = 'sonet-oc3840'
  
      # Fibrechannel
      TYPE_1GFC_SFP = '1gfc-sfp'
      TYPE_2GFC_SFP = '2gfc-sfp'
      TYPE_4GFC_SFP = '4gfc-sfp'
      TYPE_8GFC_SFP_PLUS = '8gfc-sfpp'
      TYPE_16GFC_SFP_PLUS = '16gfc-sfpp'
      TYPE_32GFC_SFP28 = '32gfc-sfp28'
      TYPE_64GFC_QSFP_PLUS = '64gfc-qsfpp'
      TYPE_128GFC_QSFP28 = '128gfc-qsfp28'
  
      # InfiniBand
      TYPE_INFINIBAND_SDR = 'infiniband-sdr'
      TYPE_INFINIBAND_DDR = 'infiniband-ddr'
      TYPE_INFINIBAND_QDR = 'infiniband-qdr'
      TYPE_INFINIBAND_FDR10 = 'infiniband-fdr10'
      TYPE_INFINIBAND_FDR = 'infiniband-fdr'
      TYPE_INFINIBAND_EDR = 'infiniband-edr'
      TYPE_INFINIBAND_HDR = 'infiniband-hdr'
      TYPE_INFINIBAND_NDR = 'infiniband-ndr'
      TYPE_INFINIBAND_XDR = 'infiniband-xdr'
  
      # Serial
      TYPE_T1 = 't1'
      TYPE_E1 = 'e1'
      TYPE_T3 = 't3'
      TYPE_E3 = 'e3'
  
      # ATM/DSL
      TYPE_XDSL = 'xdsl'
  
      # Stacking
      TYPE_STACKWISE = 'cisco-stackwise'
      TYPE_STACKWISE_PLUS = 'cisco-stackwise-plus'
      TYPE_FLEXSTACK = 'cisco-flexstack'
      TYPE_FLEXSTACK_PLUS = 'cisco-flexstack-plus'
      TYPE_STACKWISE80 = 'cisco-stackwise-80'
      TYPE_STACKWISE160 = 'cisco-stackwise-160'
      TYPE_STACKWISE320 = 'cisco-stackwise-320'
      TYPE_STACKWISE480 = 'cisco-stackwise-480'
      TYPE_JUNIPER_VCP = 'juniper-vcp'
      TYPE_SUMMITSTACK = 'extreme-summitstack'
      TYPE_SUMMITSTACK128 = 'extreme-summitstack-128'
      TYPE_SUMMITSTACK256 = 'extreme-summitstack-256'
      TYPE_SUMMITSTACK512 = 'extreme-summitstack-512'
  
      # Other
      TYPE_OTHER = 'other'
  
      CHOICES = (
          (
              'Virtual interfaces',
              (
                  (TYPE_VIRTUAL, 'Virtual'),
                  (TYPE_BRIDGE, 'Bridge'),
                  (TYPE_LAG, 'Link Aggregation Group (LAG)'),
              ),
          ),
          (
              'Ethernet (fixed)',
              (
                  (TYPE_100ME_FIXED, '100BASE-TX (10/100ME)'),
                  (TYPE_1GE_FIXED, '1000BASE-T (1GE)'),
                  (TYPE_2GE_FIXED, '2.5GBASE-T (2.5GE)'),
                  (TYPE_5GE_FIXED, '5GBASE-T (5GE)'),
                  (TYPE_10GE_FIXED, '10GBASE-T (10GE)'),
                  (TYPE_10GE_CX4, '10GBASE-CX4 (10GE)'),
              )
          ),
          (
              'Ethernet (modular)',
              (
                  (TYPE_1GE_GBIC, 'GBIC (1GE)'),
                  (TYPE_1GE_SFP, 'SFP (1GE)'),
                  (TYPE_10GE_SFP_PLUS, 'SFP+ (10GE)'),
                  (TYPE_10GE_XFP, 'XFP (10GE)'),
                  (TYPE_10GE_XENPAK, 'XENPAK (10GE)'),
                  (TYPE_10GE_X2, 'X2 (10GE)'),
                  (TYPE_25GE_SFP28, 'SFP28 (25GE)'),
                  (TYPE_50GE_SFP56, 'SFP56 (50GE)'),
                  (TYPE_40GE_QSFP_PLUS, 'QSFP+ (40GE)'),
                  (TYPE_50GE_QSFP28, 'QSFP28 (50GE)'),
                  (TYPE_100GE_CFP, 'CFP (100GE)'),
                  (TYPE_100GE_CFP2, 'CFP2 (100GE)'),
                  (TYPE_200GE_CFP2, 'CFP2 (200GE)'),
                  (TYPE_100GE_CFP4, 'CFP4 (100GE)'),
                  (TYPE_100GE_CPAK, 'Cisco CPAK (100GE)'),
                  (TYPE_100GE_QSFP28, 'QSFP28 (100GE)'),
                  (TYPE_200GE_QSFP56, 'QSFP56 (200GE)'),
                  (TYPE_400GE_QSFP_DD, 'QSFP-DD (400GE)'),
                  (TYPE_400GE_OSFP, 'OSFP (400GE)'),
              )
          ),
          (
              'Wireless',
              (
                  (TYPE_80211A, 'IEEE 802.11a'),
                  (TYPE_80211G, 'IEEE 802.11b/g'),
                  (TYPE_80211N, 'IEEE 802.11n'),
                  (TYPE_80211AC, 'IEEE 802.11ac'),
                  (TYPE_80211AD, 'IEEE 802.11ad'),
                  (TYPE_80211AX, 'IEEE 802.11ax'),
                  (TYPE_802151, 'IEEE 802.15.1 (Bluetooth)'),
              )
          ),
          (
              'Cellular',
              (
                  (TYPE_GSM, 'GSM'),
                  (TYPE_CDMA, 'CDMA'),
                  (TYPE_LTE, 'LTE'),
              )
          ),
          (
              'SONET',
              (
                  (TYPE_SONET_OC3, 'OC-3/STM-1'),
                  (TYPE_SONET_OC12, 'OC-12/STM-4'),
                  (TYPE_SONET_OC48, 'OC-48/STM-16'),
                  (TYPE_SONET_OC192, 'OC-192/STM-64'),
                  (TYPE_SONET_OC768, 'OC-768/STM-256'),
                  (TYPE_SONET_OC1920, 'OC-1920/STM-640'),
                  (TYPE_SONET_OC3840, 'OC-3840/STM-1234'),
              )
          ),
          (
              'FibreChannel',
              (
                  (TYPE_1GFC_SFP, 'SFP (1GFC)'),
                  (TYPE_2GFC_SFP, 'SFP (2GFC)'),
                  (TYPE_4GFC_SFP, 'SFP (4GFC)'),
                  (TYPE_8GFC_SFP_PLUS, 'SFP+ (8GFC)'),
                  (TYPE_16GFC_SFP_PLUS, 'SFP+ (16GFC)'),
                  (TYPE_32GFC_SFP28, 'SFP28 (32GFC)'),
                  (TYPE_64GFC_QSFP_PLUS, 'QSFP+ (64GFC)'),
                  (TYPE_128GFC_QSFP28, 'QSFP28 (128GFC)'),
              )
          ),
          (
              'InfiniBand',
              (
                  (TYPE_INFINIBAND_SDR, 'SDR (2 Gbps)'),
                  (TYPE_INFINIBAND_DDR, 'DDR (4 Gbps)'),
                  (TYPE_INFINIBAND_QDR, 'QDR (8 Gbps)'),
                  (TYPE_INFINIBAND_FDR10, 'FDR10 (10 Gbps)'),
                  (TYPE_INFINIBAND_FDR, 'FDR (13.5 Gbps)'),
                  (TYPE_INFINIBAND_EDR, 'EDR (25 Gbps)'),
                  (TYPE_INFINIBAND_HDR, 'HDR (50 Gbps)'),
                  (TYPE_INFINIBAND_NDR, 'NDR (100 Gbps)'),
                  (TYPE_INFINIBAND_XDR, 'XDR (250 Gbps)'),
              )
          ),
          (
              'Serial',
              (
                  (TYPE_T1, 'T1 (1.544 Mbps)'),
                  (TYPE_E1, 'E1 (2.048 Mbps)'),
                  (TYPE_T3, 'T3 (45 Mbps)'),
                  (TYPE_E3, 'E3 (34 Mbps)'),
              )
          ),
          (
              'ATM',
              (
                  (TYPE_XDSL, 'xDSL'),
              )
          ),
          (
              'Stacking',
              (
                  (TYPE_STACKWISE, 'Cisco StackWise'),
                  (TYPE_STACKWISE_PLUS, 'Cisco StackWise Plus'),
                  (TYPE_FLEXSTACK, 'Cisco FlexStack'),
                  (TYPE_FLEXSTACK_PLUS, 'Cisco FlexStack Plus'),
                  (TYPE_STACKWISE80, 'Cisco StackWise-80'),
                  (TYPE_STACKWISE160, 'Cisco StackWise-160'),
                  (TYPE_STACKWISE320, 'Cisco StackWise-320'),
                  (TYPE_STACKWISE480, 'Cisco StackWise-480'),
                  (TYPE_JUNIPER_VCP, 'Juniper VCP'),
                  (TYPE_SUMMITSTACK, 'Extreme SummitStack'),
                  (TYPE_SUMMITSTACK128, 'Extreme SummitStack-128'),
                  (TYPE_SUMMITSTACK256, 'Extreme SummitStack-256'),
                  (TYPE_SUMMITSTACK512, 'Extreme SummitStack-512'),
              )
          ),
          (
              'Other',
              (
                  (TYPE_OTHER, 'Other'),
              )
          ),
      )
  
  
  class InterfaceDuplexChoices(ChoiceSet):
  
      DUPLEX_HALF = 'half'
      DUPLEX_FULL = 'full'
      DUPLEX_AUTO = 'auto'
  
      CHOICES = (
          (DUPLEX_HALF, 'Half'),
          (DUPLEX_FULL, 'Full'),
          (DUPLEX_AUTO, 'Auto'),
      )
  
  
  class InterfaceModeChoices(ChoiceSet):
  
      MODE_ACCESS = 'access'
      MODE_TAGGED = 'tagged'
      MODE_TAGGED_ALL = 'tagged-all'
  
      CHOICES = (
          (MODE_ACCESS, 'Access'),
          (MODE_TAGGED, 'Tagged'),
          (MODE_TAGGED_ALL, 'Tagged (All)'),
      )
  
  
  #
  # FrontPorts/RearPorts
  #
  
  class PortTypeChoices(ChoiceSet):
  
      TYPE_8P8C = '8p8c'
      TYPE_8P6C = '8p6c'
      TYPE_8P4C = '8p4c'
      TYPE_8P2C = '8p2c'
      TYPE_6P6C = '6p6c'
      TYPE_6P4C = '6p4c'
      TYPE_6P2C = '6p2c'
      TYPE_4P4C = '4p4c'
      TYPE_4P2C = '4p2c'
      TYPE_GG45 = 'gg45'
      TYPE_TERA4P = 'tera-4p'
      TYPE_TERA2P = 'tera-2p'
      TYPE_TERA1P = 'tera-1p'
      TYPE_110_PUNCH = '110-punch'
      TYPE_BNC = 'bnc'
      TYPE_F = 'f'
      TYPE_N = 'n'
      TYPE_MRJ21 = 'mrj21'
      TYPE_ST = 'st'
      TYPE_SC = 'sc'
      TYPE_SC_PC = 'sc-pc'
      TYPE_SC_UPC = 'sc-upc'
      TYPE_SC_APC = 'sc-apc'
      TYPE_FC = 'fc'
      TYPE_LC = 'lc'
      TYPE_LC_PC = 'lc-pc'
      TYPE_LC_UPC = 'lc-upc'
      TYPE_LC_APC = 'lc-apc'
      TYPE_MTRJ = 'mtrj'
      TYPE_MPO = 'mpo'
      TYPE_LSH = 'lsh'
      TYPE_LSH_PC = 'lsh-pc'
      TYPE_LSH_UPC = 'lsh-upc'
      TYPE_LSH_APC = 'lsh-apc'
      TYPE_SPLICE = 'splice'
      TYPE_CS = 'cs'
      TYPE_SN = 'sn'
      TYPE_SMA_905 = 'sma-905'
      TYPE_SMA_906 = 'sma-906'
      TYPE_URM_P2 = 'urm-p2'
      TYPE_URM_P4 = 'urm-p4'
      TYPE_URM_P8 = 'urm-p8'
      TYPE_OTHER = 'other'
  
      CHOICES = (
          (
              'Copper',
              (
                  (TYPE_8P8C, '8P8C'),
                  (TYPE_8P6C, '8P6C'),
                  (TYPE_8P4C, '8P4C'),
                  (TYPE_8P2C, '8P2C'),
                  (TYPE_6P6C, '6P6C'),
                  (TYPE_6P4C, '6P4C'),
                  (TYPE_6P2C, '6P2C'),
                  (TYPE_4P4C, '4P4C'),
                  (TYPE_4P2C, '4P2C'),
                  (TYPE_GG45, 'GG45'),
                  (TYPE_TERA4P, 'TERA 4P'),
                  (TYPE_TERA2P, 'TERA 2P'),
                  (TYPE_TERA1P, 'TERA 1P'),
                  (TYPE_110_PUNCH, '110 Punch'),
                  (TYPE_BNC, 'BNC'),
                  (TYPE_F, 'F Connector'),
                  (TYPE_N, 'N Connector'),
                  (TYPE_MRJ21, 'MRJ21'),
              ),
          ),
          (
              'Fiber Optic',
              (
                  (TYPE_FC, 'FC'),
                  (TYPE_LC, 'LC'),
                  (TYPE_LC_PC, 'LC/PC'),
                  (TYPE_LC_UPC, 'LC/UPC'),
                  (TYPE_LC_APC, 'LC/APC'),
                  (TYPE_LSH, 'LSH'),
                  (TYPE_LSH_PC, 'LSH/PC'),
                  (TYPE_LSH_UPC, 'LSH/UPC'),
                  (TYPE_LSH_APC, 'LSH/APC'),
                  (TYPE_MPO, 'MPO'),
                  (TYPE_MTRJ, 'MTRJ'),
                  (TYPE_SC, 'SC'),
                  (TYPE_SC_PC, 'SC/PC'),
                  (TYPE_SC_UPC, 'SC/UPC'),
                  (TYPE_SC_APC, 'SC/APC'),
                  (TYPE_ST, 'ST'),
                  (TYPE_CS, 'CS'),
                  (TYPE_SN, 'SN'),
                  (TYPE_SMA_905, 'SMA 905'),
                  (TYPE_SMA_906, 'SMA 906'),
                  (TYPE_URM_P2, 'URM-P2'),
                  (TYPE_URM_P4, 'URM-P4'),
                  (TYPE_URM_P8, 'URM-P8'),
                  (TYPE_SPLICE, 'Splice'),
              ),
          ),
          (
              'Other',
              (
                  (TYPE_OTHER, 'Other'),
              )
          )
      )
  
  
  #
  # Cables/links
  #
  
  class CableTypeChoices(ChoiceSet):
  
      TYPE_CAT3 = 'cat3'
      TYPE_CAT5 = 'cat5'
      TYPE_CAT5E = 'cat5e'
      TYPE_CAT6 = 'cat6'
      TYPE_CAT6A = 'cat6a'
      TYPE_CAT7 = 'cat7'
      TYPE_CAT7A = 'cat7a'
      TYPE_CAT8 = 'cat8'
      TYPE_DAC_ACTIVE = 'dac-active'
      TYPE_DAC_PASSIVE = 'dac-passive'
      TYPE_MRJ21_TRUNK = 'mrj21-trunk'
      TYPE_COAXIAL = 'coaxial'
      TYPE_MMF = 'mmf'
      TYPE_MMF_OM1 = 'mmf-om1'
      TYPE_MMF_OM2 = 'mmf-om2'
      TYPE_MMF_OM3 = 'mmf-om3'
      TYPE_MMF_OM4 = 'mmf-om4'
      TYPE_MMF_OM5 = 'mmf-om5'
      TYPE_SMF = 'smf'
      TYPE_SMF_OS1 = 'smf-os1'
      TYPE_SMF_OS2 = 'smf-os2'
      TYPE_AOC = 'aoc'
      TYPE_POWER = 'power'
  
      CHOICES = (
          (
              'Copper', (
                  (TYPE_CAT3, 'CAT3'),
                  (TYPE_CAT5, 'CAT5'),
                  (TYPE_CAT5E, 'CAT5e'),
                  (TYPE_CAT6, 'CAT6'),
                  (TYPE_CAT6A, 'CAT6a'),
                  (TYPE_CAT7, 'CAT7'),
                  (TYPE_CAT7A, 'CAT7a'),
                  (TYPE_CAT8, 'CAT8'),
                  (TYPE_DAC_ACTIVE, 'Direct Attach Copper (Active)'),
                  (TYPE_DAC_PASSIVE, 'Direct Attach Copper (Passive)'),
                  (TYPE_MRJ21_TRUNK, 'MRJ21 Trunk'),
                  (TYPE_COAXIAL, 'Coaxial'),
              ),
          ),
          (
              'Fiber', (
                  (TYPE_MMF, 'Multimode Fiber'),
                  (TYPE_MMF_OM1, 'Multimode Fiber (OM1)'),
                  (TYPE_MMF_OM2, 'Multimode Fiber (OM2)'),
                  (TYPE_MMF_OM3, 'Multimode Fiber (OM3)'),
                  (TYPE_MMF_OM4, 'Multimode Fiber (OM4)'),
                  (TYPE_MMF_OM5, 'Multimode Fiber (OM5)'),
                  (TYPE_SMF, 'Singlemode Fiber'),
                  (TYPE_SMF_OS1, 'Singlemode Fiber (OS1)'),
                  (TYPE_SMF_OS2, 'Singlemode Fiber (OS2)'),
                  (TYPE_AOC, 'Active Optical Cabling (AOC)'),
              ),
          ),
          (TYPE_POWER, 'Power'),
      )
  
  
  class LinkStatusChoices(ChoiceSet):
  
      STATUS_CONNECTED = 'connected'
      STATUS_PLANNED = 'planned'
      STATUS_DECOMMISSIONING = 'decommissioning'
  
      CHOICES = (
          (STATUS_CONNECTED, 'Connected', 'green'),
          (STATUS_PLANNED, 'Planned', 'blue'),
          (STATUS_DECOMMISSIONING, 'Decommissioning', 'yellow'),
      )
  
  
  class CableLengthUnitChoices(ChoiceSet):
  
      # Metric
      UNIT_KILOMETER = 'km'
      UNIT_METER = 'm'
      UNIT_CENTIMETER = 'cm'
  
      # Imperial
      UNIT_MILE = 'mi'
      UNIT_FOOT = 'ft'
      UNIT_INCH = 'in'
  
      CHOICES = (
          (UNIT_KILOMETER, 'Kilometers'),
          (UNIT_METER, 'Meters'),
          (UNIT_CENTIMETER, 'Centimeters'),
          (UNIT_MILE, 'Miles'),
          (UNIT_FOOT, 'Feet'),
          (UNIT_INCH, 'Inches'),
      )
  
  
  #
  # PowerFeeds
  #
  
  class PowerFeedStatusChoices(ChoiceSet):
      key = 'PowerFeed.status'
  
      STATUS_OFFLINE = 'offline'
      STATUS_ACTIVE = 'active'
      STATUS_PLANNED = 'planned'
      STATUS_FAILED = 'failed'
  
      CHOICES = [
          (STATUS_OFFLINE, 'Offline', 'gray'),
          (STATUS_ACTIVE, 'Active', 'green'),
          (STATUS_PLANNED, 'Planned', 'blue'),
          (STATUS_FAILED, 'Failed', 'red'),
      ]
  
  
  class PowerFeedTypeChoices(ChoiceSet):
  
      TYPE_PRIMARY = 'primary'
      TYPE_REDUNDANT = 'redundant'
  
      CHOICES = (
          (TYPE_PRIMARY, 'Primary', 'green'),
          (TYPE_REDUNDANT, 'Redundant', 'cyan'),
      )
  
  
  class PowerFeedSupplyChoices(ChoiceSet):
  
      SUPPLY_AC = 'ac'
      SUPPLY_DC = 'dc'
  
      CHOICES = (
          (SUPPLY_AC, 'AC'),
          (SUPPLY_DC, 'DC'),
      )
  
  
  class PowerFeedPhaseChoices(ChoiceSet):
  
      PHASE_SINGLE = 'single-phase'
      PHASE_3PHASE = 'three-phase'
  
      CHOICES = (
          (PHASE_SINGLE, 'Single phase'),
          (PHASE_3PHASE, 'Three-phase'),
      )
  