Transition Networks Expands the Indura(TM) Substation Switch Product Portfolio

Transition Networks Expands the Indura(TM) Substation Switch Product Portfolio 
Indura(TM) Switch Line Now Includes High-Voltage for Use in
Substation Applications 
SAN DIEGO, CA -- (Marketwire) -- 01/29/13 --  Transition Networks
Inc., a preferred technology partner delivering innovative fiber
networking and specialized products worldwide, and a wholly owned
subsidiary of Communications Systems, Inc. (NASDAQ: JCS), announced
today at the DistribuTECH Conference & Exhibition the expansion of
its new Indura(TM) product platform to include high-voltage VDC and
VAC input power. The Indura(TM) electrical substation IEC 61850-3
certified switch, designed and engineered for Smart Grid and
electrical substation infrastructures, now includes IND-328x-H
high-voltage versions. 
The most frequently used voltage ranges used to power transmission &
distribution substation automation equipment in North America is
72-125 VDC followed by 24-48 VDC. While the Transition Networks'
low-voltage versions of the Indura(TM) switch line are equipped for
18-57 VDC dual-input power, the new high-voltage versions of the
switch are equipped for 125-300 VDC or 100-250 VAC input power to
meet the demands of most substation deployments. The IND-328x-H meets
the power input requirements for several of the components residing
within the substation including, transformers, breakers, busses,
switches, capacitor banks, Remote Terminal Units (RTUs), Programmable
Logic Controllers (PLCs), Intelligent Electronic Devices (IEDs), and
communication systems, which are often designed for 125 VDC. 
"The proliferation of active Telecom equipment in the substation for
Smart Grid has caused vendors to adapt to conventional substation DC
power systems and Transition Networks has done just that with the
Indura(TM) switch line," said Sev Sadura, General Manager at
Transition Networks. "The innovative and feature-rich, intelligent
Indura(TM) switch line better meets customer requirements in
electrical substation and Smart Grid applications with the
introduction of the high-voltage IND-328x-H." 
Product Features 
The IND-3280 series of switches are among the first dual-stack
IPv4/v6 Layer 2 industrial Ethernet switches with international
substation IEC 61850-3 certification. The implementation of
dual-stack IPv4/IPv6 in Layer 2 switches maintains efficiency and
security while permitting communication with legacy IPv4 and emerging
IPv6 network architectures. 
This feature-rich, intelligent industrial network switch line also
incorporates a complete Ethernet OAM (Operation, Administration, and
Maintenance) suite that allows both Ethernet link fault and
connectivity management that dramatically increases service
availability and reduces network fault diagnosis and resolution
Smart Grid applications require the strategic ability to monitor and
report the health of the network to ensure precise and accurate data
throughput. Using standards-based Service Performance Monitoring
(ITU-T Y.1731), the Indura(TM) provides precise performance
monitoring statistics that include packet loss, throughput and packet
delay measurements. 
The product also fully supports the most advanced security features
available such as: SSL, SSH, Multi-layer Access Control Lists (ACL),
RADIUS TACACS+ and management VLANs to prevent unauthorized access. 
The Indura(TM) IND-328x-x has an operating temperature of -40 degrees
C to 75 degrees C. The fanless design of the Indura(TM) IND-328x-x
increases the product's reliability over the duration of its
Provisioning, management and monitoring of the Indura(TM) switch line
can be performed from an intuitive built-in web-GUI interface, an
integrated CLI (either via telnet or the console port), event
trap-monitoring via SNMP v1, v2c or v3, or Transition Networks' newly
released Converge EMS(TM) element management system. 
Product Availability  
Visit Transition Networks at the DistribuTECH Conference & Expo at
booth #1239 for a demonstration of the features of Indura(TM)
IND-3280 switch line. Or contact Transition Networks at (800)
526-9267 or +1-952-941-7600 for pricing and more information on the
Indura(TM) product line and accessories. Or please visit for the latest product information,
including datasheets and manuals. 
About Transition Networks Industrial Product Line 
Transition Networks is unique among its peers in offering
distribution partners and customers access to Ethernet access devices
for both office and hardened environments. Transition Networks'
industrial media converters and switches are designed with multiple
port configurations, redundant DC power inputs, Redundant Fiber Ring
Technology, extended operating t
emps (-40 degrees C to +75 degrees C)
and required industrial certifications. These devices are built to
withstand the harshest environments and protected by the industry's
only hassle-free, lifetime warranty. The Indura(TM) product line is
designed in the USA for our customers worldwide.  
About Transition Networks, Inc. 
With over 25 years of growth and expertise in hardware manufacturing,
Transition Networks offers the ability to affordably integrate the
benefits of fiber optics into any data network -- in any application
-- in any environment. Offering support for multiple protocols, any
interface, and a multitude of hardware platforms, Transition's
portfolio gives the power to deliver and manage network traffic
reliably over fiber. Based in Minneapolis, Minnesota, USA, Transition
Networks distributes hardware-based connectivity solutions
exclusively through a network of resellers in over 50 countries.
Transition Networks is a wholly owned subsidiary of Communications
Systems, Inc., a publicly traded company (NASDAQ: JCS). 
Statements regarding the Company's anticipated performance in 2013
are forward-looking and involve risks and uncertainties, including
but not limited to: competitive products and other factors discussed
from time to time in the Company's filings with the Securities and
Exchange Commission.  
Company Contact: 
John Ragan 
Transition Networks 
(952) 996-1682  
Editorial Contact:
Kim Miller
KLM Public Relations, Inc.
(617) 610-0583 
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