diff --git a/device-types/Telco Systems/T-Metro-8104.yaml b/device-types/Telco Systems/T-Metro-8104.yaml
new file mode 100644
index 000000000..2496b5e96
--- /dev/null
+++ b/device-types/Telco Systems/T-Metro-8104.yaml	
@@ -0,0 +1,115 @@
+---
+manufacturer: Telco Systems
+model: T-Metro 8104
+slug: telco-systems-t-metro-8104
+part_number: TM8104
+u_height: 2.0
+is_full_depth: true
+airflow: front-to-rear
+weight: 14.5
+weight_unit: kg
+front_image: true
+console-ports:
+  - name: console
+    type: rj-45
+interfaces:
+  - name: 1/1/1
+    type: 10gbase-x-sfpp
+  - name: 1/1/2
+    type: 10gbase-x-sfpp
+  - name: 1/1/3
+    type: 10gbase-x-sfpp
+  - name: 1/1/4
+    type: 10gbase-x-sfpp
+  - name: 1/1/5
+    type: 10gbase-x-sfpp
+  - name: 1/1/6
+    type: 10gbase-x-sfpp
+  - name: 1/1/7
+    type: 10gbase-x-sfpp
+  - name: 1/1/8
+    type: 10gbase-x-sfpp
+  - name: 1/1/9
+    type: 10gbase-x-sfpp
+  - name: 1/1/10
+    type: 10gbase-x-sfpp
+  - name: 1/1/11
+    type: 10gbase-x-sfpp
+  - name: 1/1/12
+    type: 10gbase-x-sfpp
+  - name: 1/1/13
+    type: 10gbase-x-sfpp
+  - name: 1/1/14
+    type: 10gbase-x-sfpp
+  - name: 1/1/15
+    type: 10gbase-x-sfpp
+  - name: 1/1/16
+    type: 10gbase-x-sfpp
+  - name: 1/1/17
+    type: 10gbase-x-sfpp
+  - name: 1/1/18
+    type: 10gbase-x-sfpp
+  - name: 1/1/19
+    type: 10gbase-x-sfpp
+  - name: 1/1/20
+    type: 10gbase-x-sfpp
+  - name: 1/1/21
+    type: 10gbase-x-sfpp
+  - name: 1/1/22
+    type: 10gbase-x-sfpp
+  - name: 1/1/23
+    type: 10gbase-x-sfpp
+  - name: 1/1/24
+    type: 10gbase-x-sfpp
+  - name: 1/1/25
+    type: 10gbase-x-sfpp
+  - name: 1/1/26
+    type: 10gbase-x-sfpp
+  - name: 1/1/27
+    type: 10gbase-x-sfpp
+  - name: 1/1/28
+    type: 10gbase-x-sfpp
+  - name: 1/1/29
+    type: 10gbase-x-sfpp
+  - name: 1/1/30
+    type: 10gbase-x-sfpp
+  - name: 1/1/31
+    type: 10gbase-x-sfpp
+  - name: 1/1/32
+    type: 10gbase-x-sfpp
+  - name: 1/1/33
+    type: 10gbase-x-sfpp
+  - name: 1/1/34
+    type: 10gbase-x-sfpp
+  - name: 1/1/35
+    type: 10gbase-x-sfpp
+  - name: 1/1/36
+    type: 10gbase-x-sfpp
+  - name: 1/1/37
+    type: 10gbase-x-sfpp
+  - name: 1/1/38
+    type: 10gbase-x-sfpp
+  - name: 1/1/39
+    type: 10gbase-x-sfpp
+  - name: 1/1/40
+    type: 10gbase-x-sfpp
+  - name: outBand0
+    type: 1000base-t
+    mgmt_only: true
+module-bays:
+  - name: Expansion Bay
+    position: '1'
+  - name: Fan1
+    position: '1'
+  - name: Fan2
+    position: '2'
+  - name: Fan3
+    position: '3'
+  - name: Fan4
+    position: '4'
+  - name: OAM Expansion Bay
+    position: OAM
+  - name: PS1
+    position: '1'
+  - name: PS2
+    position: '2'
diff --git a/elevation-images/Telco Systems/telco-systems-t-metro-8104.front.png b/elevation-images/Telco Systems/telco-systems-t-metro-8104.front.png
new file mode 100644
index 000000000..9428dfe0d
Binary files /dev/null and b/elevation-images/Telco Systems/telco-systems-t-metro-8104.front.png differ
diff --git a/module-types/Telco Systems/TM8104-48SFPP.yaml b/module-types/Telco Systems/TM8104-48SFPP.yaml
new file mode 100644
index 000000000..f0c76aed6
--- /dev/null
+++ b/module-types/Telco Systems/TM8104-48SFPP.yaml	
@@ -0,0 +1,102 @@
+---
+manufacturer: Telco Systems
+model: TM8104-48SFP+
+part_number: TM8104-48SFP+
+description: T-Metro 8104 48 SFP+ port Expansion Line Card
+interfaces:
+  - name: 1/2/1
+    type: 10gbase-x-sfpp
+  - name: 1/2/2
+    type: 10gbase-x-sfpp
+  - name: 1/2/3
+    type: 10gbase-x-sfpp
+  - name: 1/2/4
+    type: 10gbase-x-sfpp
+  - name: 1/2/5
+    type: 10gbase-x-sfpp
+  - name: 1/2/6
+    type: 10gbase-x-sfpp
+  - name: 1/2/7
+    type: 10gbase-x-sfpp
+  - name: 1/2/8
+    type: 10gbase-x-sfpp
+  - name: 1/2/9
+    type: 10gbase-x-sfpp
+  - name: 1/2/10
+    type: 10gbase-x-sfpp
+  - name: 1/2/11
+    type: 10gbase-x-sfpp
+  - name: 1/2/12
+    type: 10gbase-x-sfpp
+  - name: 1/2/13
+    type: 10gbase-x-sfpp
+  - name: 1/2/14
+    type: 10gbase-x-sfpp
+  - name: 1/2/15
+    type: 10gbase-x-sfpp
+  - name: 1/2/16
+    type: 10gbase-x-sfpp
+  - name: 1/2/17
+    type: 10gbase-x-sfpp
+  - name: 1/2/18
+    type: 10gbase-x-sfpp
+  - name: 1/2/19
+    type: 10gbase-x-sfpp
+  - name: 1/2/20
+    type: 10gbase-x-sfpp
+  - name: 1/2/21
+    type: 10gbase-x-sfpp
+  - name: 1/2/22
+    type: 10gbase-x-sfpp
+  - name: 1/2/23
+    type: 10gbase-x-sfpp
+  - name: 1/2/24
+    type: 10gbase-x-sfpp
+  - name: 1/2/25
+    type: 10gbase-x-sfpp
+  - name: 1/2/26
+    type: 10gbase-x-sfpp
+  - name: 1/2/27
+    type: 10gbase-x-sfpp
+  - name: 1/2/28
+    type: 10gbase-x-sfpp
+  - name: 1/2/29
+    type: 10gbase-x-sfpp
+  - name: 1/2/30
+    type: 10gbase-x-sfpp
+  - name: 1/2/31
+    type: 10gbase-x-sfpp
+  - name: 1/2/32
+    type: 10gbase-x-sfpp
+  - name: 1/2/33
+    type: 10gbase-x-sfpp
+  - name: 1/2/34
+    type: 10gbase-x-sfpp
+  - name: 1/2/35
+    type: 10gbase-x-sfpp
+  - name: 1/2/36
+    type: 10gbase-x-sfpp
+  - name: 1/2/37
+    type: 10gbase-x-sfpp
+  - name: 1/2/38
+    type: 10gbase-x-sfpp
+  - name: 1/2/39
+    type: 10gbase-x-sfpp
+  - name: 1/2/40
+    type: 10gbase-x-sfpp
+  - name: 1/2/41
+    type: 10gbase-x-sfpp
+  - name: 1/2/42
+    type: 10gbase-x-sfpp
+  - name: 1/2/43
+    type: 10gbase-x-sfpp
+  - name: 1/2/44
+    type: 10gbase-x-sfpp
+  - name: 1/2/45
+    type: 10gbase-x-sfpp
+  - name: 1/2/46
+    type: 10gbase-x-sfpp
+  - name: 1/2/47
+    type: 10gbase-x-sfpp
+  - name: 1/2/48
+    type: 10gbase-x-sfpp
diff --git a/module-types/Telco Systems/TM8104-4QSFP28.yaml b/module-types/Telco Systems/TM8104-4QSFP28.yaml
new file mode 100644
index 000000000..545dcfc05
--- /dev/null
+++ b/module-types/Telco Systems/TM8104-4QSFP28.yaml	
@@ -0,0 +1,14 @@
+---
+manufacturer: Telco Systems
+model: TM8104-4QSFP28
+part_number: TM8104-4QSFP28
+description: T-Metro 8104 4 QSFP28 port Expansion Line Card
+interfaces:
+  - name: 1/2/1
+    type: 100gbase-x-qsfp28
+  - name: 1/3/1
+    type: 100gbase-x-qsfp28
+  - name: 1/4/1
+    type: 100gbase-x-qsfp28
+  - name: 1/5/1
+    type: 100gbase-x-qsfp28
diff --git a/module-types/Telco Systems/TM8104-ACPS.yaml b/module-types/Telco Systems/TM8104-ACPS.yaml
new file mode 100644
index 000000000..53c0817f2
--- /dev/null
+++ b/module-types/Telco Systems/TM8104-ACPS.yaml	
@@ -0,0 +1,9 @@
+---
+manufacturer: Telco Systems
+model: TM8104-ACPS
+part_number: TM8104-ACPS
+description: T-Metro 8104 110/220V AC PWR SUPPLY
+power-ports:
+  - name: AC{module}
+    type: iec-60320-c14
+    maximum_draw: 400
diff --git a/module-types/Telco Systems/TM8104-DCPS.yaml b/module-types/Telco Systems/TM8104-DCPS.yaml
new file mode 100644
index 000000000..365dc1cda
--- /dev/null
+++ b/module-types/Telco Systems/TM8104-DCPS.yaml	
@@ -0,0 +1,9 @@
+---
+manufacturer: Telco Systems
+model: TM8104-DCPS
+part_number: TM8104-DCPS
+description: T-Metro 8104 48V DC PWR SUPPLY
+power-ports:
+  - name: DC{module}
+    type: dc-terminal
+    maximum_draw: 400
diff --git a/module-types/Telco Systems/TM8104-FAN.yaml b/module-types/Telco Systems/TM8104-FAN.yaml
new file mode 100644
index 000000000..540763bef
--- /dev/null
+++ b/module-types/Telco Systems/TM8104-FAN.yaml	
@@ -0,0 +1,5 @@
+---
+manufacturer: Telco Systems
+model: TM8104-FAN
+part_number: TM8104-FAN
+description: Fan for T-Metro 8104
diff --git a/module-types/Telco Systems/TM8104-OAM.yaml b/module-types/Telco Systems/TM8104-OAM.yaml
new file mode 100644
index 000000000..f945fade8
--- /dev/null
+++ b/module-types/Telco Systems/TM8104-OAM.yaml	
@@ -0,0 +1,5 @@
+---
+manufacturer: Telco Systems
+model: TM8104-OAM
+part_number: TM8104-OAM
+description: T-Metro 8104 Hardware OAM Expansion Module