MicroServer for Serial-to-Ethernet Applications - Discontinued


Serial-to-Ethernet iServer MicroServer | EIT-W, EIT-D, EIT-PCB

Serial-to-Ethernet iServer MicroServer

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  • Put Any Serial Device On the Network in Minutes
  • Bridge RS232/RS485 to TCP/IP
  • Auto 10/100 Ethernet Half/Full Duplex
  • Built-In Web Server
  • Email Notifications and SNMP Traps
  • 1 to 6 Programmable I/Os
  • Firmware Upgrade Over Ethernet
  • Custom Firmware/Private Labeling for OEMs
  • TCP Socket with Command Line Interface
  • Serial Speed Up to 460 Kb/s
  • Authentication and Access Restrictions
  • Small Enough to Fit Almost Anywhere
  • Free COM Port Redirector
  • Free Configuration Software


Starting from Apr 1st 2018, EIT Series have been discontinued. As a possible substitute, please check out the OM-ES-020 or OM-ES-500 for details.

Connect any Serial Device to an Ethernet LAN and the Internet
The 3rd Generation OMEGA™ iServer3G connects any Serial Device (RS232, RS485) to an Ethernet network or the Internet in minutes, including Serial Modbus to Modbus TCP/IP over Ethernet.

The iServer3G can send notifications by email, and has SNMP for remote management. Omega offers custom firmware and private-labeling for OEMs.

The award-winning iServer is still the simplest, easiest, most economical way to put anything on the network, without writing a single line of code.

The iServer is built on one of the fastest, highly featured microprocessor found in any device of this kind. Getting started with the iServer is very simple and easy because it can take a dynamically assigned IP address from a DHCP server on your network. This DHCP client capability is a valuable and unique feature of the iServer that makes it extremely easy and simple to start using this device on almost any Ethernet network.

You can easily assign a static IP address to the iServer instead of a dynamic one, if necessary. The IP address can be assigned locally through its serial connection, as well as remotely over an Ethernet network via Telnet or a web browser, using its factory default IP address.

The iServer connects to an Ethernet Network with a standard RJ45 connector. Serial devices connect to the iServer with a standard DB9 connector.

The iServer can be used to make an existing Serial device a "node" on an Ethernet network with a unique IP address that's accessible from any authorized computer on the LAN, WAN, or Internet.

The iServer can instead be used to create a virtual tunnel on an Ethernet/Internet network simulating a local point-to-point serial connection between a serial device and a PC. This replaces dedicated point-to-point wiring limited to 50 feet on an RS232 connection.

The iServer packages the Serial data in standard TCP/IP packets that can travel anywhere on the Ethernet LAN or over the Internet. The iServer is compatible with almost any device with a Serial interface such as: time clocks, security alarms, card-key access controllers, telecommunications equipment, vending machines, bar code readers, electric power meters, UPS systems, test & measurement instrumentation, PLC's, serial printers, cash registers, and many more.

You do not need to rewrite the firmware for your serial devices to work with the iServer, and in some cases might not need to change your application software. Your serial devices will function over the Ethernet network or the Internet as if they were connected directly to a PC. The COM port on the iServer simulates a local COM port on the PC.

The iServer is compatible with wireless Ethernet. In settings where wires of any kind are not possible, the EIT can be connected to a Wireless Ethernet Access Point enabling simple, economical wireless connectivity of Serial Devices.

With the iServer: A facilities manager can monitor electric power usage over the LAN from a desk anywhere in the facility, or from anywhere on the Internet with the proper passwords and authorization. A payroll clerk can download data from time clocks to a PC anywhere on a local area network, or anywhere in the world. A manufacturing technician can use a handheld computer with Wireless Ethernet connectivity to change settings on a process controller.

There are three versions available:

The wall-mount MicroServer model EIT-W for most commercial and IT applications, comes complete with full documentation, firmware, and AC universal power adapter.

Omega offers a printed circuit board-level product, model EIT-PCB (powered by 5 Vdc) that OEMs can incorporate in their product to add embedded Ethernet/Internet connectivity to products with existing serial interface. (Contact the Omega OEM Engineering Group.)

For industrial applications, Omega offers the EIT-D, in polycarbonate enclosures that mounts on a DIN rail.

For OEMs, Omega offers custom labeling as well as customized application specific firmware and design engineering.

Omega iServer products are designed and manufactured in Santa Ana, California. Omega provides generous technical support.

Interface: RS232, or RS485 (2- and 4-wire)
Connector: DB9 (male DTE) for RS232; 8 position Terminal Block plug for RS485
Serial Data Rates: 300 to 460,800 Kbps
Characters: 5,6,7 or 8 data bits
Parity: Odd, even, or none
Stop Bits: 1 or 2
Flow Control: Hardware (RTS/CTS) and Software (Xon/Xoff)
Digital I/O’s: 1 to 6 programmable input/output lines, depending on model

Interface: Fixed or auto-negotiating 10/100BASE-T half/full duplex Ethernet with auto MDI/MDIX
Connector: RJ45
Compliant to Standard: IEEE 802.3
Indicators (LED's): 100BASE-T, Network Link/Activity, and Serial Transmit/Receive
32-Bit Micorprocessor:
  CPU: ARM7, 72 MHz
  Memory: 512 Kbyte Flash, 32 Kbyte SRAM
Embedded Web Server: Serves dynamic Web pages and Java applets
Management: Web server, Telnet login, Serial login

Power (for EIT-PCB):
  Input: 5 Vdc @ 200 mA max.
  Consumption: 1 W max.
Power (for EIT-W):
  Input: 5 Vdc @ 200 mA max.
  Consumption: 1.1 W max.
Safety Qualified Universal ac Power Adapter included:
  Nominal Output: 5 Vdc @ 600 mA;
  Input: 100 to 240 Vac, 50/60Hz
  Operating Temperature:
  0 to 40°C (32 to 104°F)
Power (for EIT-D):
  Input: 10 to 32 Vdc
  Consumption: 2.5 W max.
  DC Power supply sold separately: iDRN-PS-1000
Packaging (for EIT-W):
  Material: ABS (ChiMei PA-757) with wall mount bracket
  Dimensions: 27.4H x 66.0W x 93.1D mm
  (1.08 x 2.60 x 3.67 in)
  Weight: 77g (0.17 lbs.)
Packaging (for EIT-D):
  Material: Polycarbonate case with DIN Rail mount
  Dimensions: 90.2H x 25.1W x 115.0D mm
  (3.54 x .99 x 4.53 in)
  Weight: 113g (0.25 lbs.)
Packaging (for EIT-PCB):
  Material: FR4
  Board Surface area dimensions:
  approximately 80 sq. mm (3 sq")
  Weight: 14g (0.03 lbs.)

  Operating Temperature EIT-PCB:
  -40 to 85°C (-40 to 185°F)
  Operating Temperature EIT-W:
  -5 to 55°C (23 to 131°F)
  Operating Temperature EIT-D:
  -5 to 55°C (23 to 131°F)
Storage Temperature:
-40 to 100°C (-40 to 212°F)

OMEGA Enterprise Gateway
Universal ac Power Adapter
Universal ac Power Adapter

Switching Power Supply

EIT-D with Standard 35mm DIN Rail Mount
EIT-D with Standard
35mm DIN Rail Mount

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