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CNFE3DOE2/m Comnet RS232/422/485 Data over Ethernet Terminal Server

  • Environmentally Hardened -40 to +75C
  • Two RS232/422/485 selectable serial ports
  • Basic flow control/handshaking (Request-to-Send & Clearto- Send) is included, when this device is used with RS232- compatible equipment requiring this functionality.
  • The two serial ports may be configured to communicate serial data from a local unit to a remote unit through a users network
  • Serial data appearing on either of the two serial data ports is converted to Ethernet, and transmitted to either the SFP and/or RJ45 ports. The unit can also act as a media converter, for converting copper to fiber
  • Easy configuration through web interface (HTTP/HTTPS)
  • Serial data can be transported with encryption using SSL/SSH
  • Voltage transient protection on all power and signal input/output lines provides protection from power surges and other voltage transient events
More details...
MSRP Price: $1,149.00
Online Price: $933.50
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Product Details

The ComNet CNFE3DOE2/M allows any combination of two RS-232, RS-422, or 2 or 4-wire RS-485 serial data circuits to be inserted onto any 10/100 Mbps Ethernet-based network.



  • Data Interface - RS232/RS422/RS485, Hardware Handshaking, RS485 2-wire/4-wire
  • Data Rate - 2400 to 230,000 bps

Ethernet - 10/100T X, 100FX

Management - HT TP, HT TPS, SNMPv1 RFC1155, RFC1213 & RFC121

Network Protocols - TCP, UDP, SSL, SSH

Cable - Cat5(e)6


  • 100BASE-FX - 1 SFP pluggable optics Requires selection of sold-separately SFP modules. See ComNet data sheet for number, description, and compatibility of SFP modules
  • 10/100BASE-T X - 2 RJ-45
  • Data - Screw Terminal Block
  • Power - Screw Terminal Block<

LED Indicators

  • Power
  • Ethernet


  • Power Consumption - 5W (max)
  • Operating Voltage - Dual 9 to 60 VDC (max)/li>
  • Current Protection - Automatic Resettable Solid-State Current Limiters

Electrical & Mechanical

  • Circuit Board - Meets IPC standards
  • Mounting - Standard DIN-Rail or panel-mount. Panel-mounting adapter included.
  • Dimensions
    • w/ wall mount adapter plate - 5.4 2.2 2.9 in (13.7 5.5 7.4 cm)
    • w/ DIN rail mount clips - 3.9 2.2 3.6 in (9.9 5.5 9.2 cm)
  • Weight (unpacked) - 1.5 lbs (0.68kg)


  • MTBF - >100,000 hours
  • Operating Temperature - -40C to +75C
  • Storage Temperature - -40C to +85C
  • Operating Humidity - 0% to 95% (non-condensing)

CNFE3DOE2/m Specifications PDF

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DWG - 800 Shames Drive , Westbury , NY 11590 , USA - 516-933-4900
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