1 overview, 1 introduction – KBC Networks ESML3-FL2-D4 User Manual
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Ethernet Switch User Manual
 
 
Manual_hw-ESML3-FL2-D4-Rev1011 
Copyright © KBC Networks Ltd. 
Page 3 of 18
www.kbcnetworks.com
1 Overview
1.1 Introduction
 
This manual covers the ESML3-FL2-D4 series. The KBC ESML3-FL2-D4 products are 
high performance, managed, five port industrial Ethernet switches with an 
embedded four port serial data servers. They are designed for use in a wide range of 
operating temperatures in non-environmentally conditioned, industrial applications. 
Redundancy is offered through the DT-Ring technology that recovers cable or port 
failures automatically in less than 50ms. The unit has redundant power supply 
terminals and an alarm output for power supply and uplink port failure. 
 
1.1.1 ESML3-FL2-D4
 
The ESML3-FL2-D4 is a five port managed switch which provides three, 10/100 
twisted pair copper ports, two uplink, full-duplex, multimode or singlemode 100Mbps 
fiber ports. Each copper port supports a self-adaptive function allowing it to be 
configured to 10Base-T or 100Base-TX, full or half-duplex operation mode, 
supporting automatic MDI/MDI-X connection. The two fiber ports can be used to 
make up a ring network with a recovery time of less than 50ms. The embedded 
server has four serial data ports that can be individually configured to work with 
RS232 or RS485 protocols. The switch is available as either a DIN rail or wall-mount 
configuration. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
