diff --git a/device-types/FS/FMU-1UFMX-N.yaml b/device-types/FS/FMU-1UFMX-N.yaml
new file mode 100644
index 00000000..a8a9dc57
--- /dev/null
+++ b/device-types/FS/FMU-1UFMX-N.yaml
@@ -0,0 +1,11 @@
+manufacturer: FS
+model: FMU-1UFMX-N
+slug: fmu-1ufmx-n
+comment: 'FMU 2-Slot 1U Rack-Chassis'
+part_number: FMU-1UFMX-N
+u_height: 1
+is_full_depth: false
+subdevice_role: parent
+device-bays:
+- name: '1'
+- name: '2'
diff --git a/device-types/FS/FMU-MC082745.yaml b/device-types/FS/FMU-MC082745.yaml
new file mode 100644
index 00000000..db61f9a6
--- /dev/null
+++ b/device-types/FS/FMU-MC082745.yaml
@@ -0,0 +1,45 @@
+manufacturer: FS
+model: FMU-MC082745
+slug: fmu-mc082745
+comment: '8Ch CWDM MUX 1270-1450 (Skip 1390,1410)'
+part_number: '42937'
+u_height: 0
+is_full_depth: false
+subdevice_role: child
+front-ports:
+- name: '1270'
+  type: lc
+  rear_port: Line
+  rear_port_position: 1
+- name: '1290'
+  type: lc
+  rear_port: Line
+  rear_port_position: 2
+- name: '1310'
+  type: lc
+  rear_port: Line
+  rear_port_position: 3
+- name: '1330'
+  type: lc
+  rear_port: Line
+  rear_port_position: 4
+- name: '1350'
+  type: lc
+  rear_port: Line
+  rear_port_position: 5
+- name: '1370'
+  type: lc
+  rear_port: Line
+  rear_port_position: 6
+- name: '1430'
+  type: lc
+  rear_port: Line
+  rear_port_position: 7
+- name: '1450'
+  type: lc
+  rear_port: Line
+  rear_port_position: 8
+rear-ports:
+- name: Line
+  type: lc
+  positions: 8