diff --git a/device-types/Allied Telesis/MCR12.yaml b/device-types/Allied Telesis/MCR12.yaml
new file mode 100644
index 00000000..fe99559d
--- /dev/null
+++ b/device-types/Allied Telesis/MCR12.yaml	
@@ -0,0 +1,38 @@
+---
+manufacturer: Allied Telesis
+model: MCR12
+slug: at-mcr12
+part_number: MCR12
+u_height: 3
+is_full_depth: false
+module-bays:
+  - name: Power Supply A
+    position: A
+    label: PSU 1
+  - name: Power Supply B
+    position: B
+    label: PSU 2
+  - 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'
diff --git a/module-types/Allied Telesis/FS201.yaml b/module-types/Allied Telesis/FS201.yaml
new file mode 100644
index 00000000..005126d2
--- /dev/null
+++ b/module-types/Allied Telesis/FS201.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Allied Telesis
+model: FS201
+part_number: AT-FS201
+comments: 10/100TX to 100FX (ST) media and rate converter
+interfaces:
+  - name: Port 1 ({module} - 100Base-FX)
+    type: other
+  - name: Port 2 ({module})
+    type: 100base-tx
diff --git a/module-types/Allied Telesis/FS202.yaml b/module-types/Allied Telesis/FS202.yaml
new file mode 100644
index 00000000..a80a796a
--- /dev/null
+++ b/module-types/Allied Telesis/FS202.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Allied Telesis
+model: FS202
+part_number: AT-FS202
+comments: Fast Ethernet to Fiber Media and Rate Converter
+interfaces:
+  - name: Port 1 ({module} - 100Base-FX)
+    type: other
+  - name: Port 2 ({module})
+    type: 100base-tx
diff --git a/module-types/Allied Telesis/FS232-1.yaml b/module-types/Allied Telesis/FS232-1.yaml
new file mode 100644
index 00000000..9c9d4a49
--- /dev/null
+++ b/module-types/Allied Telesis/FS232-1.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Allied Telesis
+model: FS232/1
+part_number: AT-FS232/1
+comments: Fast Ethernet to Fiber Media and Rate Converter
+interfaces:
+  - name: Port 1 ({module} - 100Base-FX)
+    type: other
+  - name: Port 2 ({module})
+    type: 100base-tx
diff --git a/module-types/Allied Telesis/FS232-2.yaml b/module-types/Allied Telesis/FS232-2.yaml
new file mode 100644
index 00000000..00ad16aa
--- /dev/null
+++ b/module-types/Allied Telesis/FS232-2.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Allied Telesis
+model: FS232/2
+part_number: AT-FS232/2
+comments: Fast Ethernet to Fiber Media and Rate Converter
+interfaces:
+  - name: Port 1 ({module} - 100Base-FX)
+    type: other
+  - name: Port 2 ({module})
+    type: 100base-tx
diff --git a/module-types/Allied Telesis/FS232.yaml b/module-types/Allied Telesis/FS232.yaml
new file mode 100644
index 00000000..774488d2
--- /dev/null
+++ b/module-types/Allied Telesis/FS232.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Allied Telesis
+model: FS232
+part_number: AT-FS232
+comments: Fast Ethernet to Fiber Media and Rate Converter
+interfaces:
+  - name: Port 1 ({module} - 100Base-FX)
+    type: other
+  - name: Port 2 ({module})
+    type: 100base-tx
diff --git a/module-types/Allied Telesis/FS238A-1.yaml b/module-types/Allied Telesis/FS238A-1.yaml
new file mode 100644
index 00000000..58e75eed
--- /dev/null
+++ b/module-types/Allied Telesis/FS238A-1.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Allied Telesis
+model: FS238A/1
+part_number: AT-FS238A/1
+comments: 10/100TX to 100LX (SC) BiDi media and rate converter
+interfaces:
+  - name: Port 1 ({module} - 100Base-FX)
+    type: other
+  - name: Port 2 ({module})
+    type: 100base-tx
diff --git a/module-types/Allied Telesis/FS238B-1.yaml b/module-types/Allied Telesis/FS238B-1.yaml
new file mode 100644
index 00000000..58904388
--- /dev/null
+++ b/module-types/Allied Telesis/FS238B-1.yaml	
@@ -0,0 +1,10 @@
+---
+manufacturer: Allied Telesis
+model: FS238B/1
+part_number: AT-FS238B/1
+comments: Fast Ethernet to Fiber BiDi Media and Rate Converter
+interfaces:
+  - name: Port 1 ({module} - 100Base-FX)
+    type: other
+  - name: Port 2 ({module})
+    type: 100base-tx
diff --git a/module-types/Allied Telesis/PWR4.yaml b/module-types/Allied Telesis/PWR4.yaml
new file mode 100644
index 00000000..ebd6004b
--- /dev/null
+++ b/module-types/Allied Telesis/PWR4.yaml	
@@ -0,0 +1,7 @@
+---
+manufacturer: Allied Telesis
+model: PWR4
+part_number: AT-PWR4
+power-ports:
+  - name: PSU {module}
+    type: iec-60320-c14