Leading Edge Networking Solutions


EN50155 12-port managed Gigabit Ethernet switch with 12x10/100/1000Base-T(X) ports, M12 connector

ORing’s TransporterTM series managed Ethernet switches are designed for industrial applications such as rolling stock, vehicle, and railway.  The TGS-9120-M12, which is compliant with the EN50155 standard, is a managed Gigabit Redundant Ring Ethernet switch with 12x10/100/1000Base-T(X) ports which is specifically designed for the toughest and fully compliant with EN50155 requirement.  The switch support Ethernet Redundancy protocol, O-Ring (recovery time < 30ms over 250 units of connection), Open-Ring, O-Chain, MRP and MSTP (RSTP/STP compatible) can protect your mission-critical applications from network interruptions or temporary malfunctions with its fast recovery technology.  It is specifically designed for the toughest industrial environments.  TGS-9120-M12 EN50155 Ethernet switch uses M12 connectors to ensure tight, robust connections, and guarantee reliable operation against environmental disturbances, such as vibration and shock. TGS-9120-M12-BP2 includes 2 sets of bypass ports that protect the network from failures and Network maintenance by ensuring network integrity during power loss.  And support wide operating temperature from -40ºC to 70ºC.  TGS-9120-M12 can also be managed centralized and convenient by Open-Vision, Except the Web-based interface, Telnet and console (CLI) configuration.

   TGS 9120 M12 Features
  • EN50155-compliant Ethernet switch for rolling stock application.
  • Switching bandwidth: 24Gbps
  • O-RSTP support complex topology applications, STP/RSTP/MSTP
  • Support PTP Client (Precision Time Protocol) clock synchronization
  • IGMP v2/v3 (IGMP snooping support) for filtering multicast traffic
  • Port Trunking for easy of bandwidth management
  • SNMP v1/v2c/v3 support, RMON for traffic monitoring
  • Support LLDP protocol
  • Port lock to prevent access from unauthorized MAC address
  • Event notification: Syslog, Email, SNMP trap, and Relay Output
  • Windows utility (Open-Vision), Web-based ,Telnet, Console, CLI
  • Environmentally sealed by IP-40 grade protection and ultra-rugged enclosure for toughest industrial usages
  • M12 connectors to guarantee reliable operation
  • Wall mounting enabled
 TGS-9120-M12 TGS-9120-M12-BP2


  • 12 x 10/100/1000Base-T(X)in M12


  • 12x 10/100/1000Base-T(X) in M12  & 2x bypass

- Redundant Input Power: Dual 12~48VDC on 5-pin M23 connector
- Power Consumption (PSE not included): 17,8 Watts
- Overload Current Protection Present

Operating Temperature -40 to 70°C (-40 to 158°F)
Operating Humidity 5% to 95% Non-condensing
Enclosure: IP40
Regulatory approvals
EMI: FCC Part 15, CISPR (EN55022) class A, EN50155 (EN50121-3-2, EN55011, EN50121-4)
EMS: EN61000-4-2 (ESD), EN61000-4-3 (RS), EN61000-4-4 (EFT), EN61000-4-5 (Surge), EN61000-4-6 (CS), EN61000-4-8, EN61000-4-11
Shock IEC60068-2-27
Free Fall IEC60068-2-32
Vibration IEC60068-2-6
Safety EN60950-1

Warranty 5 years

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M12C: M12 cable accessories