diff --git a/contrib/generated_schema.json b/contrib/generated_schema.json
index 94d3bbb66..0f9f5e384 100644
--- a/contrib/generated_schema.json
+++ b/contrib/generated_schema.json
@@ -625,6 +625,7 @@
                         "st",
                         "cs",
                         "sn",
+                        "mdc",
                         "sma-905",
                         "sma-906",
                         "urm-p2",
@@ -697,6 +698,7 @@
                         "st",
                         "cs",
                         "sn",
+                        "mdc",
                         "sma-905",
                         "sma-906",
                         "urm-p2",
diff --git a/netbox/dcim/choices.py b/netbox/dcim/choices.py
index c1503128f..99c26b7c9 100644
--- a/netbox/dcim/choices.py
+++ b/netbox/dcim/choices.py
@@ -1654,6 +1654,7 @@ class PortTypeChoices(ChoiceSet):
     TYPE_SPLICE = 'splice'
     TYPE_CS = 'cs'
     TYPE_SN = 'sn'
+    TYPE_MDC = 'mdc'
     TYPE_SMA_905 = 'sma-905'
     TYPE_SMA_906 = 'sma-906'
     TYPE_URM_P2 = 'urm-p2'
@@ -1725,6 +1726,7 @@ class PortTypeChoices(ChoiceSet):
                 (TYPE_ST, 'ST'),
                 (TYPE_CS, 'CS'),
                 (TYPE_SN, 'SN'),
+                (TYPE_MDC, 'MDC'),
                 (TYPE_SMA_905, 'SMA 905'),
                 (TYPE_SMA_906, 'SMA 906'),
                 (TYPE_URM_P2, 'URM-P2'),