MS105 is the M12 unmanaged Ethernet switch that provides 5-port Fast Ethernet for economical solution to railway or bus vehicles . The M12 connectors ensure robust connection under shock and vibration environments. The industrial design includes IP67 enclosure protection, the power input from 9~36VDC wide range, and the wide operation temperature from -40~75˚C.
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Rugged Mechanical Design

・Robust compact design protects from mechanical deformation
・IP67 ingress protection to withstand harsh environment
・Wide operating temperature range -40 ~ 75°C
・Wide power input range 9~36VDC
・CE marking
・IEC61000-6-2/IEC61000-6-4 heavy industrial EMC


Standard IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3x Flow Control and back-pressure
Switch Technology Store and Forward Technology with Non-Blocking Switch Fabric
Number of MAC Address 2K
Packet Buffer Memory 448K bits
Transfer performance 10Base-T: 14,880pps, 100Base-TX: 148,800pps
Ethernet Port 5 x 10/100Base-TX, MDI/MDI-X Auto Negotiation, M12 D-code Female
System LED 1 x Power: Green On
Ethernet Port LED 5 x Link (Green On), Activity (Green Blinking)
Power input 5 pin M12 A-Code Male
Power Requirement  
Input Voltage 12/24VDC (9~36VDC)
Reverse Polarity Protect Yes
Power Consumption Max. 0.1A @ DC24V ,Max. 2.4Watts
Installation Wall Mount
Enclosure Material PA6
Dimension 42.8 x 40 x 188 mm (H x W x L)  
Ingress Protection IP67
Weight 290g
Operating Temperature & Humidity -40°C~75°C , 5%~95% Non-Condensing
Storage Temperature -40°C~85°C
MTBF >2,000,000 hours
Warranty 5 years
EMC EN61000-6-2
EMI FCC Part 15/CISPR22 (EN55022) Class A
EMS IEC61000-4-2 (ESD) ±6kV(contact), ±8kV(air)
IEC61000-4-3 (RS) 10V/m (80MHz~2GHz)
IEC61000-4-4 (EFT) Power Port: ±2kV, Data Port: ±1kV
IEC61000-4-5 (Surge) Power Port: ±1kV/DM, ±2kV/CM, Data Port: ±2kV
IEC61000-4-6 (CS) 10V (150kHz~80MHz)
Shock IEC60068-2-27
Vibration IEC60068-2-6
Freefall IEC60068-2-32
Model Name Description
MS105 5-port M12 Unmanaged Ethernet Switch
Package List
1 x Product Unit
1 x Attached Wall Mount
1 x Quick Installation Guide