TES-250-M12 - 5 port lite managed switch

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Brand: ORing

EN50155 5-port lite-managed Ethernet switch with 5x10/100Base-T(X), M12 connector

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  • Leading EN50155-compliant Ethernet switch for rolling stock application
  • Fastest Redundant Ethernet Ring: O-Ring (recovery time < 10ms over 250 units of connection)
  • Open-Ring support the other vendor’s ring technology in open architecture
  • O-Chain support the multiple redundant ring technology
  • Provides Fast recovery technology for Ethernet multi-redundancy
  • Supports STP/RSTP standard redundant protocol
  • SNMP v1/v2c/v3 support for secured network management
  • Supports LLDP protocol
  • Configurable by Web-based interface and Windows utility (Open-Vision)
  • Event notification through Syslog, Email, and SNMP trap
  • Ultra-rugged enclosure M12 connector for toughest industrial usages
  • Wall mounting enabled

This product is listed in Industrial Automation, Mining, Transport, ORing, Ethernet Switches
Physical Ports  
10/100 Base-T(X) Ports in M12 Auto MDI/MDIX 5 x M12 connector (D-coding)

Ethernet Standards

IEEE 802.3 for 10Base-T
IEEE 802.3u for 100Base-TX
IEEE 802.3x for Flow control
IEEE 802.1D for STP (Spanning Tree Protocol)
IEEE 802.1w for RSTP (Rapid Spanning Tree Protocol)
IEEE 802.1AB for LLDP (Link Layer Discovery Protocol)

MAC Table

1024 MAC addresses

Priority Queues




Switch Properties

Switching bandwidth: 1.0Gbps
VLAN: Port Based

Security Features

Enable/Disable ports
VLAN to segregate and secure network traffic
SNMP v3 encrypted authentication and access security

Software Feature

STP/RSTP (IEEE 802.1D/w)
Redundant Ring (O-Ring) with recovery time less than 10ms over 250 units
Port configuration, status, statistics, monitoring, security

Network Redundancy

Fast recovery

LED Indicators  
Power Indicator Green : Power LED x 1
Ring Master Indicator

Green : Indicate system operated in O-Ring Master mode

O-Ring Indicator Amber : Indicate port operated in O-Ring mode (per port)

10/100Base-T(X) RJ45 Port Indicator

Green for port Link/Act. (per port)
Input Power

12~ 48 VDC power input in M12 connector (A-coding)

Power Consumption (Typ.) 3 Watts
Overload Current Protection Present
Reverse Polarity Protection Present
Physical Characteristic  
Enclosure IP-30
Dimension (W x D x H)

88.9 (W) x 40 (D) x 178.2 (H)mm(3.5 x 1.57 x 7 inch)

Weight (g)


Storage Temperature -40 to 85°C (-40 to 185°F)
Operating Temperature -40 to 70°C (-40 to 158°F)
Operating Humidity 5% to 95% Non-condensing
Regulatory approvals  
EMI FCC Part 15, CISPR (EN55022) class A, EN50155 (EN50121-3-2, EN55011, EN50121-4)

IEC61000-4-2 (ESD), IEC61000-4-3 (RS), IEC61000-4-4 (EFT), IEC61000-4-5 (Surge), IEC61000-4-6 (CS), IEC61000-4-8, IEC61000-4-11

Shock IEC60068-2-27, EN61373
Free Fall IEC60068-2-32
Vibration IEC60068-2-6, EN61373
Safety EN60950-1
Warranty 5 years