PoE Media Converters eliminate 100 m distance limitation.

Press Release Summary:

Copper-to-Fiber Media Converters enable users to power wireless access points or VoIP phones that are located more than 100 m from main PoE Power Sourcing Equipment. Both are fully compliant IEEE 802.3af units providing 10/100Base-TX to 100Base-FX conversion and can be powered by AC outlet. Converters combine data received over fiber optic link with up to 15.4 W of power and insert combination on data pairs of UTP cabling to interface with Data Terminal Equipment Power Devices.

Original Press Release:

Transition Networks Strengthens Power Over Ethernet Product Portfolio

PoE Media Converters Eliminate 100 Meter Distance Limitation

MINNEAPOLIS, March 7 / -- The conversion technology and switching expert, Transition Networks Inc., a wholly owned subsidiary of Communications Systems, Inc., today announced the release of two new Power over Ethernet (PoE) media converters. The copper-to-fiber media converters enable customers to power wireless access points or Voice over IP (VoIP) phones that are located more than 100 meters from the main PoE Power Sourcing Equipment (PSE) without the expensive replication of the PSE. Both devices are fully compliant IEEE 802.3af media converters providing 10/100Base-TX to 100Base-FX conversion and can be powered by an AC outlet anywhere in the world.

"Linking remote VoIP and Wi-Fi access points can be a real challenge considering the 100 meter distance limitation of PoE over UTP cabling. Our PoE copper-to-fiber media converters can not only extend those links, but can also reduce capital expenditures and installation costs by providing the benefits of PoE at the remote sites," said Bill Schultz, vice president of marketing for Transition Networks. "With the addition of the 10/100-base devices to our existing 10-base and 100-base models, we now offer customers the utmost in flexibility for integrating fiber into their PoE networks."

Product Features
Transition's AC powered PoE media converters utilize an external AC power supply allowing for a reduced form factor when compared to devices with an internal power supply. These converters combine the data received over a fiber optic link with up to 15.4 watts of power and insert the combination on the data pairs of unshielded twisted pair cabling to interface with Data Terminal Equipment (DTE) Power Devices (PD). The media converters also include PD signature sensing and power monitoring features compliant with the IEEE 802.3af standard, such as Over-Current Protection, Under-Current Detection and Fault Protection Input. In addition, these products include Transition's premium selectable features such as Automatic Link Restoration, Auto-Negotiation, Autocross, Link Pass Through, Far End Fault and Pause.

Product Configuration and Availability
Transition's new 10/100base PoE media converters are offered in two distinct model families. The Just Convert-IT brand (J/POE-CF-01) is a cost-effective, full-featured device with all features enabled by default. The feature enhanced model family (SPOEB10xx-100) offers the additional ability to enable or disable the PSE function, pause and auto-negotiation, as well as force speed and duplex on the twisted pair port and force duplex on the fiber port. Both versions offer multimode and single mode fiber port options and all models are available immediately.

Transition also offers 10-base and 100-base PoE media converters with internal power supplies in either AC powered or DC powered configurations. In addition, PoE injectors, PoE splitters and PoE powered wireless access points are available under Transition's Milan brand offering.

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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