DZS, formerly Zhone Technologies and DASAN Zhone Solutions, is a provider of

telecommunication Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that fe ...

s networking equipment founded in 1999. It is headquartered in Plano. DZS is ISO 9001:2008 certified in the manufacture and service of telecommunications equipment.

Corporate history

Zhone was founded in September 1999 by former executives of

Ascend Communications Ascend Communications was an Alameda, California-based manufacturer of communications equipment that was later purchased by Lucent Technologies in 1999. Ascend Communications was founded in 1988 and taken public in 1994. Initial investors includ ...

Jeanette Symons, Mory Ejabat and Robert Dahl.

Acquisitions

Zhone acquired more than a dozen companies, including: * Adaptive Spectrum and Signal Alignment, Inc. (ASSIA) *

Paradyne Paradyne, also referred to as AT&T Paradyne, was a maker of computer networking and telecommunications hardware, based in Largo, Florida. The company formed in 1969 to supply computer communications systems and expanded steadily through the 1970s ...

Networks, September 2005,

Internet access Internet access is the ability of individuals and organizations to connect to the Internet using computer terminals, computers, and other devices; and to access services such as email and the World Wide Web. Internet access is sold by Internet ...

* Sorrento Networks, July 2004, Metro optical access * Gluon Networks, February 2004, Switching and signaling gateways * Tellium, November 2003, Metro optical transport * Eluminant, February 2003, Access and transmission products * vpacket, July 2002,

VoIP Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet t ...

Nortel Networks Nortel Networks Corporation (Nortel), formerly Northern Telecom Limited, was a Canadian multinational telecommunications and data networking equipment manufacturer headquartered in Ottawa, Ontario, Canada. It was founded in Montreal, Queb ...

Access Node, August 2001,

Digital loop carrier A digital loop carrier (DLC) is a system which uses digital transmission to extend the range of the local loop farther than would be possible using only twisted pair copper wires. A DLC digitizes and multiplexes the individual signals carried by t ...

(DLC) * xybridge, February 2001,

Softswitch A softswitch (''software switch'') is a call-switching node in a telecommunications network, based not on the specialized switching hardware of the traditional telephone exchange, but implemented in software running on a general-purpose computing ...

* Optaphone Systems, February 2000, Wireless * Roundview February 2000, IP and derived voice * Premisys, December 1999, Integrated access solutions * CAG Technologies, November 1999, Manufacturing In April 2015, the company announced its decision to merge with Korean

DASAN Network Solutions DASAN Networks (다산네트웍스) develops and manufactures network equipment for fixed and mobile broadband services. DASAN Networks was established as DASAN Engineering Co., Ltd in 1993, listed in KOSDAQ in 2000, and changed its company name ...

. The deal involved Zhone purchasing DASAN and then granting 58% of the company's shares to DASAN management. The merger was completed in September 2016, creating DASAN Zhone Solutions, which was soon renamed DZS.

Zhone Building

The Zhone Building at 7001 Oakport Street is a prominent detached building, next to Interstate 880 in

East Oakland East Oakland is a geographical region of Oakland, California, United States, that stretches between Lake Merritt in the northwest and San Leandro in the southeast. As the southeastern portion of the city, East Oakland takes up the largest portio ...

. The 66th Street exit was renamed "Zhone Way" west of 880, leading to Oakport. The building were the headquarters of Zhone, until they moved to a smaller building behind it at 7005 Oakport, and then eventually to Plano, Texas. In March 2020, DZS announced that it will move its company headquarters to Plano, TX. The building at 7001 Oakport Street is now called the Arena Center, and has a few tenants, including the Oakland Drive-Through Food Pantry and the Alameda County Registrar of Voters.

Products

Zhone's SkyZHone Metro

Wi-Fi Wi-Fi () is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio wave ...

System is approved by the

Rural Utilities Service The United States Rural Utilities Service (RUS) administers programs that provide infrastructure or infrastructure improvements to rural communities. These include water and waste treatment, electric power, and telecommunications services. it is ...

for use in rural areas.

References

External links

* {{Kohlberg Kravis Roberts Manufacturing companies based in Oakland, California Telecommunications equipment vendors Networking hardware companies Networking companies of the United States Companies listed on the Nasdaq American companies established in 1999