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HEST12LM

Series05563ds - 2/3

©2016 Henrich Corporation. All rights reserved

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.

Technology

IEEE Standards：

IIEEE802.3、IEEE802.3u、IEEE802.3z 、

IEEE802.3x、IEEE802.3ad、IEEE802.1p、

IEEE802.3ab、IEEE802.1Q、IEEE802.1d、I

EEE802.1s

Processing Type：

Store and Forward

MAC Address：

16k

L3 table:

4k

Management:

Web＋CLI

RingOn™：

Recovery time<15ms

Flow Control：

IEEE802.3x Flow Control，Back Pressure

Flow Control

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

Software:

• 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

• Diagnostics

• Email/Relay Alarm Notification

• Flow statistics

• MAC Table

• Log

• Firmware upgrade

• Parameters backup

• Factory reset

Connector

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

Mechanics

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℃

Operation

Temperature：

-40～75℃

Relative

Humidity：

5～95%RH

Ingress

Protection：

IP67

MTBF：

Above 30 Years

Certifications

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：

IEC61373

Introduction

Specifications