uses two techniques to overcome many of the obstacles that make it difficult to install ISDN lines without a great deal of conditioning.
PairGain Technologies in Tustin, CA is currently working with HDSL
. A survey showed that telephone companies predict that 58,000 xDSL lines will be installed during 1997 while original equipment manufacturers predict 421,000 lines.
, or High bit-rate Digital Subscriber Line, is a relatively new technology which provides digital connectivity without fiber.
(high-bit-rate DSL), [alpha] symmetric solution, did not turn out to be a cost-effective solution for the home.
Worldwide Computer Products News-24 May 2001-RAD introduces new HDSL
modem (C)1995-2001 M2 COMMUNICATIONS LTD http://www.m2.com
The 6300 Series HDSL
Apparatus Cases provide for high-density installation and environmental protection of HDSL
239 mechanics line repeaters.
The SunSet xDSL boasts a variety of plug-in modules that address numerous transmissions standards such as ADSL, IDSL, SDSL, HDSL
GlobeSpan offers a broad suite of standard based integrated DSL chipset solutions for ADSL, SDSL, SHDSL, HDSL
, and HDSL2 applications utilizing DMT, 2B1Q, PAM and CAP line codes.
The SPT-2001 telecom transformer is designed for high-speed HDSL
data transmission applications.
IMAP is designed to support line rates from 64Kbps up to 2.4Gbps utilizing multiple interworking protocols -- TDM, Frame Relay, ATM or IP over interfaces that include IDSL, SDSL, HDSL
2, G.lite, ADSL, T1, T3, OC-3c, OC-12c and OC-48c.
Two types of DSL are most prevalent: High data-rate DSL (HDSL
) and Asymmetric DSL (ADSL).
There are different flavors of DSL technology, including ADSL, R-ADSL, HDSL
, SDSL and VDSL.
HDSL2 deployment has the potential to constitute more than 50% of the projected $500 million HDSL
market by 2000, according to industry analysts.
CP550 systems can be used by ILECs, CLECs and utility companies to deliver T1 or HDSL
(High-bit-rate DSL) DS1 services to their high capacity customers who install cellular or PCS cell sites at electrical utility power towers and substations.