Calix Adds EXA Powered E3-48C to Sealed Ethernet Service Access Node Family

Calix Adds EXA Powered E3-48C to Sealed Ethernet Service Access Node Family 
Trio of Topology-Independent, High-Capacity Sealed Nodes Provides
Industry-Leading Flexibility in Delivering Advanced Broadband
Solutions Over Copper 
MINNEAPOLIS, MN -- (Marketwired) -- 04/16/13 --  Calix, Inc. (NYSE:
CALX) today announced the introduction of the Ethernet eXtensible
Architecture (EXA) Powered E3-48C sealed Ethernet Service Access Node
(ESAN) to the Unified Access portfolio. The newest addition to the E3
family of sealed ESANs, the E3-48C brings a new level of flexibility
to communications service providers seeking to deliver advanced
broadband services over existing copper infrastructure and drive
business transformation. The new addition supports up to 48 ports of
"combo" VDSL2 and POTS services in a compact, hardened, and sealed
form factor, simplifying network transformation by eliminating the
need for overlay of legacy digital loop carrier (DLC) voice services.
Ready for the emerging advanced broadband services of today and
tomorrow, the E3-48C offers multiple high-capacity uplinks and the
ability to support both bonding and vectoring. It also offers
extraordinary flexibility in pushing advanced services deeper into
the network, with support for a wide variety of deployment topologies
-- including fiber-efficient rings, point-to-point, and daisy-chain
-- as well as AC, DC, and remote powering options.  
"Even though we've been able to make the case for pulling fiber all
the way to the home in some parts of our network, there are other
areas where leveraging VDSL2 is just good business," said Steve Long,
vice president of outside plant and engineering at Atlantic Telephone
Membership Corporation (ATMC) in Shallotte, NC. "We've analyzed the
whole spectrum of broadband plant enhancement options, and we've
found that the Calix E3-48C sealed ESAN offers a powerful and
efficient solution for service providers like us to snap into
existing 10GE networks, reduce loop lengths, and enable advanced
broadband services delivery to subscribers today, while also offering
the option for bandwidth enhancement technologies like bonding and
vectoring in the future. The beauty is that whatever path we choose
to take toward network and business transformation over copper and
fiber, Calix has us covered." 
Additional E3-48C advantages include:  

--  Two 10GE/1GE uplinks and three GE/2.5GE uplinks with 802.1w rapid
    spanning tree protocol (RSTP) and 802.3ad link aggregation
--  RSTP ring support
--  Layer 2 switching and forwarding for deployment simplicity and Layer 3
    awareness for scalability and security
--  Combo VDSL2 and POTS services for OPEX efficient upgrade of legacy DLC
--  The ability to support vectoring
--  Integrated Internet group management protocol (IGMP) v2 and v3
    snooping and proxy for IPTV
--  Dynamic host configuration protocol (DHCP) relay and snooping for
    facilitated network security
--  Service prioritization via IEEE 802.1Q virtual local access networks
    (VLANs) and 802.1p support
--  Support for multiple service delivery models, including VLAN per
    service, VLAN per port, or hybrid
--  Integration with the Calix Management System (CMS) for complete
    network visibility and management

"Service providers across North America are seeking to meet the
emerging broadband demands of subscribers while balancing the
economic realities of deployment," said John Colvin, Calix senior
vice president of North America sales and marketing. "With the
addition of the E3-48C to the E3 family of sealed access nodes, the
industry's broadest portfolio of flexible access systems both copper
and fiber has now expanded, bringing new opportunities for network
and business transformation to service providers worldwide."  
To see the E3-48C in action along with the rest of the Calix Unified
Access portfolio, visit Calix in Booths 302/304 at the IP
Possibilities Show, April 15-18 at the Hyatt Regency and DoubleTree
Suites in Minneapolis, MN. 
About Calix 
Calix (NYSE: CALX) is a global leader in access innovation. Its
Unified Access portfolio of broadband communications access systems
and software enables communications service providers worldwide to
transform their networks and become the broadband provider of choice
to their subscribers. For more information, visit the Calix website
This press release may contain forward-looking statements that are
based upon management's current expectations and are inherently
uncertain. Forward-looking statements are based upon information
available to us as of the date of this release, and we assume no
obligation to revise or update any such forward-looking statement to
reflect any event or circumstance after the date of this release,
except as required by law. Actual results and the timing of events
could differ materially from current expectations based on risks and
uncertainties affecting the Company's business. The reader is
cautioned not to unduly rely on the forward-looking statements
contained in this press release. Additional information on potential
factors that could affect Calix's results and other risks and
uncertainties are detailed in its report on Form 10-K for the fiscal
year ended December 31, 2012, filed with the SEC on February 22,
2013, available at 
Press Inquiries: 
Neila Matheny
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