What DZSi does

DZS (formerly Zhone Technologies) is a Plano, Texas-based broadband network infrastructure vendor founded in 1999 that designs, manufactures, and sells access, transport, and cloud-managed connectivity equipment to telecom operators, cable MSOs, mobile network operators, municipalities, electric co-ops/utilities, WISPs, and enterprises across more than 50 countries. The company's portfolio is organized into four solution areas: Access Edge (fiber OLTs such as the Velocity V6, ONTs, Wi-Fi residential ONT gateways, FiberLAN business gateways, and Copper Access/VDSL2/Gfast), Connected Edge (subscriber-premises ONTs, Wi-Fi gateways/extenders, 4G/5G Fixed Wireless Access CPE including AurusPRO and AurusGate, and fiber-extension DPUs), Optical Edge (hardened coherent optics and compact ROADM Saber platforms including the SABER-6400), and the Zhone Xtreme cloud software platform (Xtreme Access and Xtreme Transport SDN-controlled, vendor-neutral orchestration). The company differentiates on standards-based interoperability with all major OLT brands, reverse-powered Gfast 212MHz DPUs delivering up to 2Gbps over copper, and Buy America/BEAD-compliant manufacturing in its long-standing Santa Clara, California facility alongside R&D centers in Vietnam.

The business model rests on three revenue streams: hardware sales of OLTs, ONTs, DPUs, FWA CPE, Wi-Fi gateways, and Saber transport equipment (largest share); software and cloud solutions sold as licenses or subscriptions via Zhone Xtreme (recurring); and professional services including architecture and design, project management, and managed SaaS delivery. DZS reaches customers through a hybrid enterprise field-sales model (tier-1 operators globally) complemented by a global channel-partner ecosystem of system integrators and VARs, with named customers including Bell, Telstra, Telus, NBN, Orange, Virgin Media O2, Lumen, Aussie Broadband, Brightspeed, Boingo, Consolidated Communications, and Myakka Communications. DASAN Networks holds a 29% stake and provided a $24.5M term loan in 2023 alongside $5.2M from South Korean banks.

In June 2024 DZS closed the acquisition of NetComm Wireless Pty Ltd to add connected-home, FWA, IIoT, and fiber-extension product lines and broaden its ANZ and EMEA reach, and in May 2026 the company announced a strategic combination agreement with Mavenir, plans to delist from Nasdaq (where it trades under DZSI), and a prepackaged Chapter 11 restructuring to address its capital structure while continuing operations. The combination of NextGen PON refresh (50G-PON, Wi-Fi 7, TR-369), US-domestic BEAD eligibility, and capital-structure remediation through the Mavenir combination defines the current strategic posture.

Name

DZSi

Legal name

DZS Inc.

Website

https://dzsi.com

Company type

Public

Founded year

1999

Operating status

Operating

Headcount range

251–500 employees

Short description

DZS (formerly Zhone Technologies) designs and manufactures broadband network edge equipment - fiber OLTs, ONTs, optical transport, fixed wireless access, and Zhone Xtreme orchestration software - serving 200+ telecom operators, cable MSOs, MNOs, utilities, and enterprises across 50+ countries.

Ownership category

akta.pro rank

Product category

Broadband Network Infrastructure Equipment

NAICS

Wired and Wireless Telecommunications (except Satellite) (5171), Wired and Wireless Telecommunications Carriers (except Satellite) (51711)

SIC

Computer Communications Equipment (3576), Communications Equipment, Nec (3669), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

WDM Line Systems (ROADM/OADM/Amplifiers) (HDAFADAA)

akta.pro secondary industries

Optical/Transport Network Management (OTN/WDM Controllers) (HDAFAGAK), SDN Controllers & Network Orchestration (HDABAFAC), Cable Modems & eMTA (DOCSIS) (HDAFAIAC), Network Operations, Monitoring & Management (NOC, OSS/NMS, Performance & Fault Mgmt) (EUADAIAI), Backbone & Long-Haul Transport (IP/MPLS, Optical/Wavelength) (HDABALAH)

Keywords

• Broadband network equipment
• Fiber access solutions
• Optical line terminals
• Fixed wireless access
• Network orchestration software

Headquarters

HQ city

Plano

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Personnel, Operations, Marketing or Sales

Revenue model

1. Hardware Sales: Sale of network infrastructure equipment including OLTs (Optical Line Terminals), ONTs (Optical Network Terminals), DPUs (Distribution Point Units), FWA CPE devices, Wi-Fi gateways, and transport equipment like the Saber series.
2. Software and Cloud Solutions: Zhone Xtreme automation and orchestration software, cloud-controlled software defined solutions, and network management platforms sold as licenses or subscriptions.
3. Professional Services: Architecture and design services, project management and consulting, and managed SaaS delivery services for network deployment and optimization.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

DZS designs, manufactures, and sells broadband networking infrastructure and cloud-managed orchestration software for telecom service providers, cable operators, mobile network operators, municipalities, and utilities. Its portfolio spans fiber access OLTs, optical network terminals, Wi-Fi gateways, Gfast fiber extension DPUs, fixed wireless access CPE, optical transport systems, and the Zhone Xtreme software platform for vendor-neutral network orchestration. The company enables multi-gigabit broadband delivery across fiber, copper, and wireless access networks in 50+ countries.

Product overview

DZS/Zhone offers an open, end-to-end broadband networking portfolio organized around four solution areas: Access Edge (fiber access OLTs, ONTs, copper/Gfast, Wi-Fi gateways via Zhone Xtreme and Velocity platforms), Connected Edge (subscriber premises devices including ONTs, Wi-Fi gateways, fixed wireless access, and fiber extension DPUs), Optical Edge (optical transport with Zhone Saber coherent optics and ROADM solutions), and Zhone Xtreme cloud software (vendor-neutral network orchestration and automation). The portfolio serves service providers, cable operators, mobile network operators, municipalities, and enterprises across 50+ countries with over 200 active customers and 20M+ connected homes/businesses.

Differentiator

Problem solved

Functional benefit

Brands

• Zhone Xtreme: World-class automation and end-to-end, vendor-neutral network orchestration platform that minimizes OPEX, reduces vendor risk, and increases agility.

Products and services

• Zhone Xtreme World-class automation and end-to-end, vendor-neutral network orchestration platform that minimizes OPEX, reduces vendor risk, and increases agility for broadband access, mobile, optical, and connected edge networks.
• Velocity V6 System Scalable optical line terminal (OLT) platform supporting GPON and XGS-PON with high port density and non-blocking architecture for service provider fiber deployments.
• Zhone Saber Optical Transport Hardened optical transport platform with coherent optics and compact ROADMs delivering high-capacity connectivity for metro and regional networks.
• Gfast Fiber Extension DPU Distribution Point Unit (DPU) solutions using Gfast 212MHz technology to deliver fiber-like speeds up to 2Gbps over existing copper infrastructure for MDUs and residential deployments, with reverse powering that eliminates AC preparation costs.
• Fixed Wireless Access (FWA) 4G and 5G fixed wireless access products including indoor and outdoor CPE devices for urban, suburban, and rural environments supporting distances up to 15km using standards-based 3GPP architectures.
• Optical Network Terminals (ONTs) ONT devices for fiber access deployments supporting GPON, XGS-PON, and point-to-point architectures, including the DZS Helix ONT line and Wi-Fi 7/TR-369 managed services for enhanced subscriber experience.
• Wi-Fi Residential ONT Gateways Residential gateway devices combining optical network termination with integrated Wi-Fi for subscriber connectivity.
• FiberLAN Business Gateways Enterprise-grade fiber gateways for business connectivity and services, used to deliver fiber-based services to commercial customers.
• Copper Access (VDSL2/Gfast) VDSL2 and Gfast solutions for leveraging existing copper infrastructure for broadband delivery.
• Wi-Fi Gateways and Extenders Wi-Fi access points and range extenders for residential and business Wi-Fi coverage.
• Professional Services Network design, planning, architecture, and project management consulting services for broadband deployments.
• Managed SaaS Delivery Managed services for ongoing network operations and cloud software delivery to service provider customers.

Quantifiable outcome

• 2Gbps aggregate speeds via Gfast 212MHz technology for fiber-like connectivity over copper infrastructure
• +2 more outcomes

Named customers12 records

Segments7 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered core and key.

• NetComm Wireless Pty LtdcoreStrategic or Co-development Partner · 3 June 2024DZS completed acquisition of NetComm Wireless Pty Ltd in June 2024. The acquisition expands DZS's broadband networking and connectivity solutions across the Americas, Europe, and ANZ regions, adding product lines in connected home, FWA, IIoT, and fiber extension. Supported by increased financial backing from EdgeCo.
• TalkTalkkeyStrategic or Co-development PartnerLongtime strategic partnership with TalkTalk resulted in winning the 2023 Light Reading Leading Lights Award for Outstanding Home Network Intelligence Use Case. DZS provided broadband solutions for TalkTalk's network deployments.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Huawei: Huawei is the world's largest telecom equipment vendor and a leading global supplier of fiber access OLTs/ONTs and optical transport. It competes head-to-head with DZS in EMEA, APAC, and parts of Latin America, though it is largely excluded from US BEAD-funded projects.
• Nokia: Nokia is a global incumbent in telecom networking with a comprehensive fiber access portfolio (OLTs, ONTs, Wi-Fi 6/7 gateways) that overlaps with DZS's Access Edge and Connected Edge lines. It competes for the same Tier 1 carrier RFPs but at far greater scale.
• Ericsson: Ericsson is a global telecom equipment incumbent that increasingly bundles fixed wireless access and 5G transport with its mobile network portfolio. Its FWA and transport offerings overlap with DZS's Connected Edge and Optical Edge solutions for mobile network operators.
• Cisco: Cisco's broadband networking portfolio (router, switch, and carrier-grade routing) overlaps with parts of DZS's transport and access ecosystem, particularly for Tier 1 carriers and large enterprise service providers.
• Ciena: Ciena is a leading optical transport specialist whose coherent optics, ROADM, and wavelength-division multiplexing portfolio directly overlaps with DZS's Saber / Optical Edge business. It serves many of the same Tier 1 carriers and large service providers globally.

Direct peers

• ADTRAN: ADTRAN is a direct competitor in fiber access OLTs/ONTs, Gfast, Wi-Fi gateways, and SDN orchestration software for service providers. It pursues the same Tier 2-3 telco, cable, and municipal broadband segments with comparable product breadth and BEAD positioning.
• Calix: Calix is the closest direct competitor to DZS, offering OLTs, ONTs, Wi-Fi gateways, and the cloud-based Calix Experience Platform for broadband service providers. It targets a highly overlapping customer base of Tier 2-3 telcos, electric co-ops, and municipalities — directly competing for BEAD-funded projects.

Emerging players

• Clearfield: Clearfield is a smaller fiber connectivity specialist offering fiber protection systems, OLT/ONT deployment accessories, and passive optical components. It targets similar Tier 2-3 telco, electric co-op, and municipal broadband customers, particularly in BEAD-funded deployments.
• Harmonic: Harmonic sells broadband access and optical transport solutions to cable operators and service providers, with growing overlap with DZS's Optical Edge and fiber access portfolio for MSO and Tier 2 carrier segments.

Others

• DASAN Networks: DASAN Networks is a Korean telecom equipment vendor and DZS's largest shareholder (29% stake) that also provides overlapping broadband access and switching products. It is both a financial backer and an adjacent competitor, with co-development and supply relationships with DZS.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xtwitter.com/dzs_innovation
• LinkedInlinkedin.com/company/DZSi

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries1 record

Funding overview

Funding rounds4 records

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A4 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about DZSi