diff --git a/device-types/Niagara/3225-PTC-2.yaml b/device-types/Niagara/3225-PTC-2.yaml
new file mode 100644
index 0000000000..94971a6943
--- /dev/null
+++ b/device-types/Niagara/3225-PTC-2.yaml
@@ -0,0 +1,60 @@
+---
+manufacturer: Niagara
+model: Network TAP Passive Fiber Optics 3225-PTC-2
+slug: niagara-tap-3225-ptc-2
+part_number: 3225-PTC-2
+u_height: 1
+is_full_depth: false
+airflow: passive
+comments: '[TAP Datasheet](https://info.niagaranetworks.com/hubfs/Product%20Data%20Sheets/3225/3225.pdf)'
+module-bays:
+  - name: Slot 1
+    position: '1'
+  - name: Slot 2
+    position: '2'
+  - name: Slot 3
+    position: '3'
+  - name: Slot 4
+    position: '4'
+  - name: Slot 5
+    position: '5'
+  - name: Slot 6
+    position: '6'
+  - name: Slot 7
+    position: '7'
+  - name: Slot 8
+    position: '8'
+  - name: Slot 9
+    position: '9'
+  - name: Slot 10
+    position: '10'
+  - name: Slot 11
+    position: '11'
+  - name: Slot 12
+    position: '12'
+  - name: Slot 13
+    position: '13'
+  - name: Slot 14
+    position: '14'
+  - name: Slot 15
+    position: '15'
+  - name: Slot 16
+    position: '16'
+  - name: Slot 17
+    position: '17'
+  - name: Slot 18
+    position: '18'
+  - name: Slot 19
+    position: '19'
+  - name: Slot 20
+    position: '20'
+  - name: Slot 21
+    position: '21'
+  - name: Slot 22
+    position: '22'
+  - name: Slot 23
+    position: '23'
+  - name: Slot 24
+    position: '24'
+  - name: Slot 25
+    position: '25'
diff --git a/module-types/Niagara/3211-S-LR-50-50.yaml b/module-types/Niagara/3211-S-LR-50-50.yaml
new file mode 100644
index 0000000000..3ec68998e0
--- /dev/null
+++ b/module-types/Niagara/3211-S-LR-50-50.yaml
@@ -0,0 +1,19 @@
+---
+manufacturer: Niagara
+model: Network TAP Passive Fiber Optics Module Single Width 1310nm 1550nm 50/50
+part_number: 3211-S-LR-50/50
+comments: '[TAP Datasheet](https://info.niagaranetworks.com/hubfs/Product%20Data%20Sheets/3225/3225.pdf)'
+interfaces:
+  - name: Port/{module}/A_Monitor
+    type: 100gbase-x-qsfp28
+    description: Passive optical single mode simplex LC
+  - name: Port/{module}/B_Monitor
+    type: 100gbase-x-qsfp28
+    description: Passive optical single mode simplex LC
+front-ports:
+  - name: Port/{module}/A
+    type: lc
+    rear_port: Port/{module}/B
+rear-ports:
+  - name: Port/{module}/B
+    type: lc
diff --git a/module-types/Niagara/3211-S-SR-50-50.yaml b/module-types/Niagara/3211-S-SR-50-50.yaml
new file mode 100644
index 0000000000..3def800f7c
--- /dev/null
+++ b/module-types/Niagara/3211-S-SR-50-50.yaml
@@ -0,0 +1,19 @@
+---
+manufacturer: Niagara
+model: Network TAP Passive Fiber Optics Module Single Width 850nm 50/50
+part_number: 3211-S-SR-50/50
+comments: '[TAP Datasheet](https://info.niagaranetworks.com/hubfs/Product%20Data%20Sheets/3225/3225.pdf)'
+interfaces:
+  - name: Port/{module}/A_Monitor
+    type: 10gbase-x-sfpp
+    description: Passive optical multi mode simplex LC
+  - name: Port/{module}/B_Monitor
+    type: 10gbase-x-sfpp
+    description: Passive optical multi mode simplex LC
+front-ports:
+  - name: Port/{module}/A
+    type: lc
+    rear_port: Port/{module}/B
+rear-ports:
+  - name: Port/{module}/B
+    type: lc