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PairGain Announces HDSL2 Support on
Avidia System; HDSL2 Technology on
Display at PairGain's Booth No. 1418
Business Wire - January 26, 1999 13:37
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ComNet DC 99
WASHINGTON, D.C.--(BUSINESS WIRE)--Jan. 26,
1999--PairGain(R) Technologies, Inc. (Nasdaq:PAIR) Tuesday
announced support of HDSL2 in its Avidia(TM) System integrated
access concentrator.
HDSL2 delivers the same reliable performance of two-pair HDSL over
a single copper telephone line. The T1E1.4 committee-approved
transmission scheme enables HDSL2 to coexist in the same cable
bundle with T1, HDSL, ADSL and ISDN. HDSL2 uses the OPTIS line
code originally proposed by PairGain and standardized by T1E1.4.
The new Avidia System interface provides eight HDSL2 or T1
connections, each transmitting at a 1.544 Mpbs symmetric rate. The
Avidia System has 18 slots for plug-in channel cards providing ATM
concentration, traffic management and QoS (Quality of Service) for up
to 144 HDSL2 T1 ports carrying voice, data and video. The eight
HDSL2 interfaces on each channel card support Inverse Mux ATM
(IMA) for T1, which allows multiple ports to be utilized as a single,
higher capacity ATM connection to meet the dynamic capacity needs of
business customers.
"It is PairGain's mission for the Avidia System to be the single platform
required by carriers to terminate local loop services. New services are
being defined every day, and the cost to carriers of adding a new type of
access platform for each new service is extreme," said Howard Flagg,
executive vice president of business development at PairGain.
"The Avidia System's architecture provides ATM switching plus room
for service adaptation. This enables it to support a range of ATM and IP
services over any type of DSL transport, ultimately providing a gateway
for all legacy traffic into the ATM backbone."
Flagg continued, "As carriers establish POPs over broad areas, they
will find great benefit in minimizing the number of platforms that must
be installed. The economics of access systems will be based on the
variety of services supported per system, not just on dollars per DSL
channel."
The Avidia System's HDSL2/IMA-T1 interface also enables connection
of integrated access devices (IADs) at the customer premises on
multiple T1 lines. This conforms to the ATM Forum's Specification 1.1
(AF-PHY-0086.001), a standard that is expected to gain wide industry
support. PairGain anticipates that the new generation of ATM IADs will
comply with the standard, allowing easy provisioning through the
Avidia System, using standard HDSL2 to DS1 converters at the network
interface or direct connecting when IADs incorporate the HDSL2
feature.
The HDSL2/IMA-T1 interface enables economic connection of remote
Avidia Systems to the ATM network. Traffic management and traffic
policing features ensure that higher classes of service are prioritized
per the requirements of their underlying applications. Without traffic
management and IMA, ATM access multiplexers and DSLAMs must use
high-cost OC-3 and DS-3 connections to the ATM backbone to
guarantee that peak loads will not result in the loss of user traffic.
PairGain's HDSL2 technology is on display here at ComNet in booth no.
1418. The HDSL2/IMA feature will be available on the Avidia System
in early Q3, 1999.
PairGain Technologies Inc.
PairGain is a world leader in the design, manufacture and marketing of
DSL (Digital Subscriber Line) networking systems. Service providers
and private network operators worldwide use PairGain's products to
deploy DSL-based services such as high-speed Internet, remote LAN
access and enterprise LAN extension.
For more than 10 years, PairGain has been recognized as the
technological leader and industry innovator of telecommunications
equipment. The company offers the widest range of HDSL, ADSL and
SDSL-based systems available. Its product lines include HiGain(R)
T1/E1 access systems, PG-Flex(R) and PG-Plus(R) small digital loop
carrier systems, the Avidia(TM) System and Megabit Modem(R)
campus systems and megabit access products. Well over 1 million
PairGain DSL nodes are installed in over 70 countries. Additional
information about the company is available on the Internet at
www.pairgain.com
Except for the historical information contained herein, the matters
discussed in this announcement are forward-looking statements which
involve risks and uncertainties, including but not limited to economic,
competitive, governmental and technological factors affecting the
company's operations, markets, products, services and prices and other
factors discussed in the company's filings with the Securities and
Exchange Commission. |
