HEST12LM-VLW - 12 10/100BaseT(X) M12 ports, Layer 3 Managed, IP67 protection

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EN50155 Industrial Ethernet Switch
HEST12LM series switches are designed for the backbone communications for the critical on-board train communications. Bridged between multiple and complex industrial networks, HEST12LM switches are designed to ensure that robust and highly efficient network communications are guaranteed for the critical tasks within a train.

Compliant with IEC61375、EN51055 and EN50121 standards, and working under extreme temperatures (-40°C to +75°C), these highly compactly-designed industrial switches can meet any hazardous environments while providing robust communication requirements for critical applications such as train traction and/or braking command requirements through these reliable devices.

Support up to 12 10/100BaseT(X) M12 Ethernet ports , and dual-powered by 24-160VDC (type:48VDC/110VDC) power supplies, this line of switches provide a full set of network data management functions such as redundancy recovery, VLAN, QoS, IGMP, Trunking, SNMP, etc., in addition to the hardened M12 connector and IP67 enclosure protection. These devices have an average MTBF of 438,000 hours. They all can be wall-mounted.



IEEE Standards

IEEE802.3、IEEE802.3u、IEEE802.3z 、 IEEE802.3x、IEEE802.3ad、IEEE802.1p、 IEEE802.3ab、IEEE802.1Q、IEEE802.1d、 IEEE802.1s、IGMP Snooping

Processing Type Store and Forward
MAC Address 16k
L3 table 4k
Management Web+CLI
RingOnTM Recovery time<15ms
Flow Control IEEE802.3x Flow Control,Back Pressure Flow Control<15ms
L3 Protocol Static IP routing、RIPv1/v2、 VRRP、IGMPv2/v3 Snooping、IGMP PROXY、ACL、NAT、Port Mirroring
Protocol IGMP Snooping, GMRP, SNMPv1/v2c/v3, DHCP Client, SNTP, HTTP, HTTPS, Telnet, NTP Client<15ms

• System log setting
• System log setting
• Web server password setting
• IP access control(Accessible IP)
• Port setting
• IP setting
• Time setting(Local Time/NTP Time)
• QoS、802.1P、DSCP、ToS DiffServe
• IGMP Snooping
• Broadcast Storm control
• Traffic control
• Port Mirroring
• Static MAC Address Forwarding (Unicast and Multicast)
• SNMP V1/V2
• Static MAC Address Forwarding (Unicast and Multicast)
• SNMP V1/V2
• Diagnostics
• Email/Relay Alarm Notification
• Flow statistics
• MAC Table
• Log
• Firmware upgrade
• Parameters backup
• Factory reset

Ethernet port 12 x 10/100M
Management port 1 x Console,M12 Connector
Alarm 1 x Alarm, M12 Connector
Power supply 1 x Power Supply Port, M12 connector

Enclosure IP67,High Strength Aluminium
Installation Wall mounted
Dimension L* W * H: 177*51.5*117mm
Weight 1200g
Power 20W(MAX)
Cooling Fanless

Environment Limits
Storage Temperature -40~85°C
Operation Temperature -40~75°C
Relative Humidity 5~95%RH
Ingress Protection IP67
MTBF Above 30 Years

Rail Traffic EN50155, EN50121-3-2
EMI FCC Part 15 Subpart B Class A,EN 55022 Class A
EMS EN 61000-4-2 (ESD) Level 3
EN 61000-4-3 (RS) Level 3
EN 61000-4-4 (EFT) Level 3
EN 61000-4-5 (Surge) Level 3
EN 61000-4-6 (CS) Level 3
EN 61000-4-8
EN 61000-4-11
Freefall IEC60068-2-32
Vibration IEC 61373



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