diff --git a/module-types/Cisco/C9400-LC-24XS.yaml b/module-types/Cisco/C9400-LC-24XS.yaml
new file mode 100644
index 000000000..a9baeed3a
--- /dev/null
+++ b/module-types/Cisco/C9400-LC-24XS.yaml
@@ -0,0 +1,53 @@
+---
+manufacturer: Cisco
+part_number: C9400-LC-24XS
+model: Cisco Catalyst 9400 Series 24-Port 10 Gigabit Ethernet (SFP+)
+interfaces:
+  - name: TenGigabitEthernet{module}/0/1
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/2
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/3
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/4
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/5
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/6
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/7
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/8
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/9
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/10
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/11
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/12
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/13
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/14
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/15
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/16
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/17
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/18
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/19
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/20
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/21
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/22
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/23
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/24
+    type: 10gbase-t
diff --git a/module-types/Cisco/C9400-LC-48S.yaml b/module-types/Cisco/C9400-LC-48S.yaml
new file mode 100644
index 000000000..cd0a87633
--- /dev/null
+++ b/module-types/Cisco/C9400-LC-48S.yaml
@@ -0,0 +1,101 @@
+---
+manufacturer: Cisco
+part_number: C9400-LC-48S
+model: Cisco Catalyst 9400 Series 48-Port 1 Gigabit Ethernet (SFP)
+interfaces:
+  - name: GigabitEthernet{module}/0/1
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/2
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/3
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/4
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/5
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/6
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/7
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/8
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/9
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/10
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/11
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/12
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/13
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/14
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/15
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/16
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/17
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/18
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/19
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/20
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/21
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/22
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/23
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/24
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/25
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/26
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/27
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/28
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/29
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/30
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/31
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/32
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/33
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/34
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/35
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/36
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/37
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/38
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/39
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/40
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/41
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/42
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/43
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/44
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/45
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/46
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/47
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/48
+    type: 1000base-t
diff --git a/module-types/Cisco/C9400-LC-48U.yaml b/module-types/Cisco/C9400-LC-48U.yaml
new file mode 100644
index 000000000..0a7c25178
--- /dev/null
+++ b/module-types/Cisco/C9400-LC-48U.yaml
@@ -0,0 +1,101 @@
+---
+manufacturer: Cisco
+part_number: C9400-LC-48U
+model: Cisco Catalyst 9400 Series 48-Port UPOE 10/100/1000 (RJ-45)
+interfaces:
+  - name: GigabitEthernet{module}/0/1
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/2
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/3
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/4
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/5
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/6
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/7
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/8
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/9
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/10
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/11
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/12
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/13
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/14
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/15
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/16
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/17
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/18
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/19
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/20
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/21
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/22
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/23
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/24
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/25
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/26
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/27
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/28
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/29
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/30
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/31
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/32
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/33
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/34
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/35
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/36
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/37
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/38
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/39
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/40
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/41
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/42
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/43
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/44
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/45
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/46
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/47
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/48
+    type: 1000base-t
diff --git a/module-types/Cisco/C9400-LC-48UX.yaml b/module-types/Cisco/C9400-LC-48UX.yaml
new file mode 100644
index 000000000..a78461345
--- /dev/null
+++ b/module-types/Cisco/C9400-LC-48UX.yaml
@@ -0,0 +1,101 @@
+---
+manufacturer: Cisco
+part_number: C9400-LC-48UX
+model: Cisco Catalyst 9400 Series 48-Port UPOE w/ 24p mGig 24p RJ-45
+interfaces:
+  - name: GigabitEthernet{module}/0/1
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/2
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/3
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/4
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/5
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/6
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/7
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/8
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/9
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/10
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/11
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/12
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/13
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/14
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/15
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/16
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/17
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/18
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/19
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/20
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/21
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/22
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/23
+    type: 1000base-t
+  - name: GigabitEthernet{module}/0/24
+    type: 1000base-t
+  - name: TenGigabitEthernet{module}/0/25
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/26
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/27
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/28
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/29
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/30
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/31
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/32
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/33
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/34
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/35
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/36
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/37
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/38
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/39
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/40
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/41
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/42
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/43
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/44
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/45
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/46
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/47
+    type: 10gbase-t
+  - name: TenGigabitEthernet{module}/0/48
+    type: 10gbase-t
diff --git a/module-types/Cisco/C9400-SUP-1.yaml b/module-types/Cisco/C9400-SUP-1.yaml
new file mode 100644
index 000000000..8cfef77b6
--- /dev/null
+++ b/module-types/Cisco/C9400-SUP-1.yaml
@@ -0,0 +1,25 @@
+---
+manufacturer: Cisco
+part_number: C9400-SUP-1
+model: Cisco Catalyst 9400 Series Supervisor 1 Module
+interfaces:
+  - name: TenGigabitEthernet{module}/0/1
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/2
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/3
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/4
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/5
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/6
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/7
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/8
+    type: 10gbase-x-sfpp
+  - name: FortyGigabitEthernet{module}/0/9
+    type: 40gbase-x-qsfpp
+  - name: FortyGigabitEthernet{module}/0/10
+    type: 40gbase-x-qsfpp
diff --git a/module-types/Cisco/C9400-SUP-1XL-Y.yaml b/module-types/Cisco/C9400-SUP-1XL-Y.yaml
new file mode 100644
index 000000000..aabb2ced9
--- /dev/null
+++ b/module-types/Cisco/C9400-SUP-1XL-Y.yaml
@@ -0,0 +1,29 @@
+---
+manufacturer: Cisco
+part_number: C9400-SUP-1XL-Y
+model: Cisco Catalyst 9400 Series Supervisor 1 XL Module with 25G
+interfaces:
+  - name: TenGigabitEthernet{module}/0/1
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/2
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/3
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/4
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/5
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/6
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/7
+    type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet{module}/0/8
+    type: 10gbase-x-sfpp
+  - name: FortyGigabitEthernet{module}/0/9
+    type: 40gbase-x-qsfpp
+  - name: FortyGigabitEthernet{module}/0/10
+    type: 40gbase-x-qsfpp
+  - name: TwentyFiveGigE{module}/0/1
+    type: 25gbase-x-sfp28
+  - name: TwentyFiveGigE{module}/0/5
+    type: 25gbase-x-sfp28