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 TTL to Ethernet Converter

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TTL to Ethernet Converter


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TTL to Ethernet Converter
TCP/IP,串列埠,TTL to Ethernet Converter


The TTL-ETH is the TTL logic level version of our popular NET232. This Adapter alllows you to Internet (TCP/IP) enable any device or machine with a TTL logic level serial port. Go from TCP/IP to TTL serial with the TTL-ETH. It features a powerful built-in device server, so you can access your TTL serial device from anywhere in the world over internet!

The TTL-ETH is easily configured via a web page , and can also be set up through the TTL serial port. You can use DHCP, Auto IP or assign a Static IP address to the TTL-ETH!

TTL logic level serial ports differ from RS232 serial ports in their voltages. TTL serial ports operate on positive logic level voltages, typically +5V indicates a specify " logic 1" at +5V and "logic 0" at -5V.

The TTL-ETH will not work on RS232 serial ports and may be damaged if  connected to an RS232 device. Please use the NET232 for RS232 ports.

There are two basic modes of operation, "Redirector" and "Serial Tunneling".

Redirector Mode: In Redirector Mode, only one TTL-ETH is needed per TTL serial device. Comport Redirector Software(free with purchase) is installed on your windows PC to create a "virtual" COM Port(e.g.COM3). You can then use this COM  port attached to your PC. Create a virtual COM Port for every TTL-ETH device on yuor network and connect to them all from a single PC!

Serial Tunneling Mode: In Serial  Tunneling mode, two TTL’s are used to create a "Serial Tunnel" over Ethernet. This can be thought of as cable replacement. Each TTL or NET232 is configured to have a remote IP address  that is the other TTL/NET 232 in the pair. No software is required to be loaded on a PC. This is also an excellent option for non-windows PCs or computers. Now you can have an infinite length RS232 cable connected over the internet.


  • Local or Worldwide Ethernet 10/100M or Internet Connection

  • Serial baud rates( 300, 600, 1200, 2400, 4800, 9600, 19.2k,3 8.4k, 115.2k,....921.6k)

  • Ethernet activity, Power LED’s

  • Web Server, configuration and user pages

  • Plastic housing,

  • OEM versions available for small minimum quantity

  • Includes CD with Manuals, PC Setup and Virtual COM Port Redirector Software


 TTL/Serial Interface
 Data Rates  300 bps to 921,600 bps
 Characters  7 or 8 data bits
 Parity  odd, even, none
 Stop Bits  1 or 2
 Control Signals  DTR/DCD, CTS, RTS
 Flow Control  XON/XOFF, RTS/CTS
 Connector  DB9- DTE(male) TTL signals


 Network Interface
 Interface  Ethernet 10Base-T or 100Base-TX(Auto-Sensing)
 Connector RJ45

˙10Base- T connection

˙100Base- TX connection

˙Link & activity indicator - Full/half duplex


˙SNMP, Telnet, serial, internal web server, and 
   Microsoft Windows-based utility for configuration

˙Password protection

˙Optional 256-bit AES Rijidael encryption


 Internal Web Server
 Storage Capacity  384KB for web pages


 CPU  Based on the DSTni-EX 
 enhanced 16-bit, 48MHz or
 88MHz, x86 architecture
 Memory  256KB SRAM and 512KB flash
 Firmware  Upgradeable Via TFTP and


  Input Voltage  8-24 VDC


 Dimensions  63.5 x 42.67 x 20.17 mm(2.5 x
 1.58 x 0.794 in) - Case without
 Weight  92 g ( 3.2 oz ) - Approximate,
 Without Power Supply


 Included Software
 MS Windows- based Device installer software device
 installer and MS Windows - based Comm Port
     Download TTL to Ethernet Converter Specification 

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