Device Servers network-enable serial-based devices.

Press Release Summary:



Serial-to-Ethernet converters provide either Fast Ethernet fiber interface or 10/100Mbps Ethernet copper interface and are offered in 4 model families. Models supporting RS-422/485 are capable of 2-wire half-duplex or 4-wire full-duplex asynchronous data transmission. Device servers also provide distributed and scalable solution with 256 virtual COM ports control from one device and are remotely manageable via Telnet, Web browser, or command line interface.



Original Press Release:



Transition Networks Introduces New Device Server Product Line



Both Industrial and Office Grade Versions Available

LAS VEGAS, May 2 -- The conversion technology and switching expert, Transition Networks Inc., a wholly owned subsidiary of Communications Systems, Inc., today announced the release of its new device server product line. These serial-to-Ethernet converters enable customers to integrate existing serial-based devices into their Ethernet networks located in either the office environment or on the factory floor.

"The ability to network-enable virtually any serial-based device both quickly and cost-effectively allows our customers to preserve their investment in legacy equipment," said Bill Schultz, vice president of marketing for Transition Networks. "And, with the addition of the hardened device server models to our Industrial switch and media converter portfolio, we now offer customers even more flexibility for integrating fiber into their networks."

Product Configuration and Features

Transition's new device servers provide either a Fast Ethernet fiber interface or a 10/100Mbps Ethernet copper interface and are offered in four distinct model families:

o Industrial grade RS232 to 100Base-FX

o Industrial grade RS422/485 to 100Base-FX

o Standard RS232/422/485 to 10/100Base-TX

o Standard RS232/422/485 to 100Base-FX

All models offer industry standard serial and fiber interfaces and comply with EIA/TIA-232, EIA/TIA-574 and IEEE802.3 specifications. All models supporting RS-422/485 are capable of 2-wire half-duplex or 4-wire full-duplex asynchronous data transmission. The device servers also provide a distributed and scalable solution with 256 virtual COM ports control from one device and are remotely manageable via Telnet, web browser or command line interface (CLI).

The standard models include a 3-in-1 RS232/422/485 serial interface using a DB-9 connector. The 10/100Base-TX model includes Auto-Negotiation and AutoCross on the RJ-45 port. All standard models are powered by an external power supply and have a 0C to 50C operating temperature.

The industrial models include a rugged, hardened metal enclosure and industrial grade components to withstand extreme vibration and shock as well as operating temperatures from 0C to +70C. Dual, redundant 9-48VDC power inputs are provided and dry contact relays are offered to provide alarming in the event of a port link failure or power supply failure.

All models are available immediately. Please contact Transition Networks at (800) 526-9267 or www.transition.com/ for additional information on their complete line of media converters, switches or wireless products.

About Transition Networks Products

Transition Networks' conversion products are known for their ruggedness and reliability. They have a 99.4 percent customer acceptance rating, meaning that approximately one in 1,000 experience failure in the field. All Transition Networks brand of media converters carry a lifetime warranty.

About Transition Networks Inc.

Transition Networks Inc. offers networking connectivity solutions that make networks perform better, faster and more reliably while helping companies leverage their existing networking infrastructure. The company's Transition Networks brand of media converters make conversion between disparate media types possible, providing conversion technology solutions that offer the necessary adaptations without affecting the performance, nature or appearance of the network. Its complete MILAN by Transition Networks portfolio of multilayer switching and wireless products are designed to facilitate low-cost network evolution with unique solutions, easing the stress on networks caused by high-bandwidth applications. Based in Minneapolis, Transition Networks distributes hardware-based connectivity solutions exclusively through a network of resellers in 50 countries including Ingram Micro and Tech Data. Transition Networks is a wholly owned subsidiary of Communications Systems, Inc., a publicly traded company (AMEX:JCS).

CONTACT: Bill Schultz of Transition Networks, +1-952-996-1573, bills@transition.com

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