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EKI-1528-DR Series User Manual 2
1.1 Introduction
The EKI-1528I and EKI-1528CI are network-based serial device servers that connect
RS-232/422/485 serial devices, such as PLC, meters, sensors, and barcode readers,
directly to a TCP/IP network.
Once connected through a EKI-1528 series serial server, devices are able to send
and receive data through a network. This extends the traditional COM ports of a PC,
with access over a TCP/IP network. Through networking, you can control and moni-
tor remote serial devices over either a LAN or WAN. Since the EKI-1528 is connected
through a TCP/IP network, you may need to know some basic facts about networking
in order to connect the server correctly.
The EKI-1528I and EKI-1528CI feature two independent Ethernet ports and MAC
addresses to provide a redundant network mechanism to avoid data loss. The EKI-
1528I and EKI-1528CI provide various operations: COM port redirection mode (Vir-
tual COM Port mode), TCP Server/ Client mode, UDP mode, Control mode and
RFC2217 mode. Detailed descriptions of each operation are provided in a later chap-
ter.
1.2 Device Features

Provides 2 x 10/100 Mbps Ethernet ports for LAN redundancy

Provides COM port redirection (Virtual COM), TCP and UDP operation modes

Supports up to 921.6 kbps, and any baud rate setting

Allows a max. of 5 hosts to access one serial port

Allows a max. of 16 hosts to be accessed as TCP client mode

Built-in 15 KV ESD protection for all serial signals

Provides rich configuration access, including: Windows utility, Telnet console,
and Web Browser

Supports 32-bit/64-bit Windows 2000/XP/Vista/7/8/8.1, Windows Server 2003/
2008/2012, Windows CE 5.0, and Linux

Automatic RS-485 data flow control

Supports line to line 4 KV, line to ground 8 KV surge protection

Supports a wide operating temperature (I models only)

Supports isolation and wide operating temperature (CI models only)
1.3 Device Specifications
Specifications Description
Interface I/O Port

EKI-1528I: 2 x RJ45 + 8 x RS-232/422/485

EKI-1528CI: 2 x RJ45 + 8 x RS-422/485
Power Connector 6-pin removable screw terminal (power & relay)
Physical Enclosure Metal with solid mounting hardware
Installation DIN-Rail and Wall mount
Dimensions
(W x H x D) 86 x 140 x 95mm (3.38" x 5.51" x 3.74")
LED Display System LED Power 1, Power 2, Status
Port LED

AN: Speed, Link/Active

Serial: Tx, Rx