diff --git a/device-types/APC/SMT750I.yaml b/device-types/APC/SMT750I.yaml
index 86f0c05c1..3122cc839 100644
--- a/device-types/APC/SMT750I.yaml
+++ b/device-types/APC/SMT750I.yaml
@@ -30,3 +30,6 @@ console-ports:
     type: usb-a
   - name: Serial
     type: rj-45
+module-bays:
+  - name: SmartSlot
+    position: SmartSlot
diff --git a/device-types/Cisco/CBS350-8P-2G.yaml b/device-types/Cisco/CBS350-8P-2G.yaml
new file mode 100644
index 000000000..284d5cdb0
--- /dev/null
+++ b/device-types/Cisco/CBS350-8P-2G.yaml
@@ -0,0 +1,57 @@
+---
+manufacturer: Cisco
+model: CBS350-8P-2G
+slug: cisco-cbs350-8p-2g
+part_number: CBS350-8P-2G
+comments: '[CBS350 series datasheet](https://www.cisco.com/c/en/us/products/collateral/switches/business-350-series-managed-switches/datasheet-c78-744156.html)'
+is_full_depth: false
+u_height: 1
+weight: 2.59
+weight_unit: kg
+airflow: passive
+console-ports:
+  - name: console
+    type: rj-45
+  - name: usb
+    type: usb-mini-b
+power-ports:
+  - name: External PS
+    type: iec-60320-c14
+    maximum_draw: 83
+interfaces:
+  - name: GigabitEthernet1
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet2
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet3
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet4
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet5
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet6
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet7
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet8
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: GigabitEthernet9
+    type: 1000base-x-sfp
+  - name: GigabitEthernet10
+    type: 1000base-x-sfp
diff --git a/device-types/Eltex/MES2448B.yaml b/device-types/Eltex/MES2448B.yaml
new file mode 100644
index 000000000..8bcd39256
--- /dev/null
+++ b/device-types/Eltex/MES2448B.yaml
@@ -0,0 +1,123 @@
+---
+manufacturer: Eltex
+model: MES2448B
+slug: eltex-mes2448b
+part_number: MES2448B
+u_height: 1.0
+is_full_depth: false
+comments: '[MES2448B](https://eltex-co.com/catalog/ethernet_access_switch_mes2448b-en.php)'
+airflow: front-to-rear
+weight: 3.98
+weight_unit: kg
+console-ports:
+  - name: console01
+    type: rj-45
+power-ports:
+  - name: psu#01
+    type: iec-60320-c14
+    maximum_draw: 66
+interfaces:
+  - name: gi0/1
+    type: 1000base-t
+  - name: gi0/2
+    type: 1000base-t
+  - name: gi0/3
+    type: 1000base-t
+  - name: gi0/4
+    type: 1000base-t
+  - name: gi0/5
+    type: 1000base-t
+  - name: gi0/6
+    type: 1000base-t
+  - name: gi0/7
+    type: 1000base-t
+  - name: gi0/8
+    type: 1000base-t
+  - name: gi0/9
+    type: 1000base-t
+  - name: gi0/10
+    type: 1000base-t
+  - name: gi0/11
+    type: 1000base-t
+  - name: gi0/12
+    type: 1000base-t
+  - name: gi0/13
+    type: 1000base-t
+  - name: gi0/14
+    type: 1000base-t
+  - name: gi0/15
+    type: 1000base-t
+  - name: gi0/16
+    type: 1000base-t
+  - name: gi0/17
+    type: 1000base-t
+  - name: gi0/18
+    type: 1000base-t
+  - name: gi0/19
+    type: 1000base-t
+  - name: gi0/20
+    type: 1000base-t
+  - name: gi0/21
+    type: 1000base-t
+  - name: gi0/22
+    type: 1000base-t
+  - name: gi0/23
+    type: 1000base-t
+  - name: gi0/24
+    type: 1000base-t
+  - name: gi0/25
+    type: 1000base-t
+  - name: gi0/26
+    type: 1000base-t
+  - name: gi0/27
+    type: 1000base-t
+  - name: gi0/28
+    type: 1000base-t
+  - name: gi0/29
+    type: 1000base-t
+  - name: gi0/30
+    type: 1000base-t
+  - name: gi0/31
+    type: 1000base-t
+  - name: gi0/32
+    type: 1000base-t
+  - name: gi0/33
+    type: 1000base-t
+  - name: gi0/34
+    type: 1000base-t
+  - name: gi0/35
+    type: 1000base-t
+  - name: gi0/36
+    type: 1000base-t
+  - name: gi0/37
+    type: 1000base-t
+  - name: gi0/38
+    type: 1000base-t
+  - name: gi0/39
+    type: 1000base-t
+  - name: gi0/40
+    type: 1000base-t
+  - name: gi0/41
+    type: 1000base-t
+  - name: gi0/42
+    type: 1000base-t
+  - name: gi0/43
+    type: 1000base-t
+  - name: gi0/44
+    type: 1000base-t
+  - name: gi0/45
+    type: 1000base-t
+  - name: gi0/46
+    type: 1000base-t
+  - name: gi0/47
+    type: 1000base-t
+  - name: gi0/48
+    type: 1000base-t
+  - name: te0/1
+    type: 10gbase-x-sfpp
+  - name: te0/2
+    type: 10gbase-x-sfpp
+  - name: te0/3
+    type: 10gbase-x-sfpp
+  - name: te0/4
+    type: 10gbase-x-sfpp
diff --git a/device-types/FS/MFMC-12DP.yml b/device-types/FS/MFMC-12DP.yml
new file mode 100644
index 000000000..95dc964ba
--- /dev/null
+++ b/device-types/FS/MFMC-12DP.yml
@@ -0,0 +1,41 @@
+---
+manufacturer: FS
+model: MFMC-12DP
+slug: fs-mfmc-12dp
+description: 12 Slots 10/100M and 10/100/1000M Mini Media Converter Chassis, 1U Rack Mount, Dual Power AC 220V
+comments: '[Product Page](https://www.fs.com/de/products/35348.html)'
+part_number: '35348'
+u_height: 1
+airflow: front-to-rear
+weight: 3.2
+weight_unit: kg
+is_full_depth: false
+module-bays:
+  - name: PSU1
+    position: '1'
+  - name: PSU2
+    position: '2'
+  - name: '1'
+    position: '1'
+  - name: '2'
+    position: '2'
+  - name: '3'
+    position: '3'
+  - name: '4'
+    position: '4'
+  - name: '5'
+    position: '5'
+  - name: '6'
+    position: '6'
+  - name: '7'
+    position: '7'
+  - name: '8'
+    position: '8'
+  - name: '9'
+    position: '9'
+  - name: '10'
+    position: '10'
+  - name: '11'
+    position: '11'
+  - name: '12'
+    position: '12'
diff --git a/device-types/HPE/OfficeConnect-1920S-8G.yml b/device-types/HPE/OfficeConnect-1920S-8G.yml
new file mode 100644
index 000000000..ae064f244
--- /dev/null
+++ b/device-types/HPE/OfficeConnect-1920S-8G.yml
@@ -0,0 +1,38 @@
+---
+manufacturer: HPE
+model: OfficeConnect 1920S-8G
+slug: hpe-officeconnect-1920s-8g
+part_number: JL380A
+u_height: 1
+is_full_depth: false
+front_image: true
+comments: '[OfficeConnect 1920 Switch Series - Specifications](https://support.hpe.com/hpesc/public/docDisplay?docId=c04478097&docLocale=en_US)'
+weight: 0.8
+weight_unit: kg
+airflow: passive
+power-ports:
+  - name: PS1
+    type: iec-60320-c14
+    maximum_draw: 9
+console-ports:
+  - name: Console
+    type: rj-45
+interfaces:
+  - name: GE1/0/1
+    type: 1000base-t
+    poe_mode: pd
+    poe_type: type1-ieee802.3af
+  - name: GE1/0/2
+    type: 1000base-t
+  - name: GE1/0/3
+    type: 1000base-t
+  - name: GE1/0/4
+    type: 1000base-t
+  - name: GE1/0/5
+    type: 1000base-t
+  - name: GE1/0/6
+    type: 1000base-t
+  - name: GE1/0/7
+    type: 1000base-t
+  - name: GE1/0/8
+    type: 1000base-t
diff --git a/device-types/Netgear/ProSafe-GS510TPP.yaml b/device-types/Netgear/ProSafe-GS510TPP.yaml
new file mode 100644
index 000000000..43f83e19a
--- /dev/null
+++ b/device-types/Netgear/ProSafe-GS510TPP.yaml
@@ -0,0 +1,51 @@
+---
+manufacturer: Netgear
+model: ProSafe GS510TPP
+slug: netgear-prosafe-gs510tpp
+part_number: GS510TPP
+comments: '[8-Port Gigabit Ethernet High-Power PoE+ Smart Switch with 2 Dedicated SFP Ports (190W)](https://www.downloads.netgear.com/files/GDC/GS510TPP/GS510TLP_GS510TPP_GS418TPP_DS.pdf)'
+u_height: 1
+is_full_depth: false
+weight: 1.83
+weight_unit: kg
+power-ports:
+  - name: Power
+    type: iec-60320-c14
+    maximum_draw: 190
+interfaces:
+  - name: 1/0/1
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/2
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/3
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/4
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/5
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/6
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/7
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/8
+    type: 1000base-t
+    poe_mode: pse
+    poe_type: type2-ieee802.3at
+  - name: 1/0/9
+    type: 1000base-x-sfp
+  - name: 1/0/10
+    type: 1000base-x-sfp
diff --git a/elevation-images/HPE/hpe-officeconnect-1920s-8g.front.png b/elevation-images/HPE/hpe-officeconnect-1920s-8g.front.png
new file mode 100644
index 000000000..684da2d23
Binary files /dev/null and b/elevation-images/HPE/hpe-officeconnect-1920s-8g.front.png differ
diff --git a/tests/known-modules.pickle b/tests/known-modules.pickle
index 93ab31675..9fb40bb39 100644
Binary files a/tests/known-modules.pickle and b/tests/known-modules.pickle differ
diff --git a/tests/known-slugs.pickle b/tests/known-slugs.pickle
index 5e77a826e..e3cd1a1e1 100644
Binary files a/tests/known-slugs.pickle and b/tests/known-slugs.pickle differ