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Multi-Point Voice Integrated Access Solution for Government and Enterprises
Release date:
2026-07-04
Guangzhou Yinxun Comm.Tech.Co..Ltd (www.gzyinxun.com) has launched a comprehensive voice access solution based on the E1 transmission architecture, addressing the multi-point internal voice communication needs of government and enterprise entities under city-level centralized management and district/county distributed deployment. The solution takes the ZMUX-6600P centralized integrated access device in the city-level data center as its core hub, leverages leased carrier transmission networks to establish backbone links between the city and districts/counties, and deploys ZMUX-100G optical-electrical aggregation equipment along with EZMUX-6608SG remote integrated access devices at district and county sites. It also supports the construction of locally owned fiber-optic extensions to terminal points at the network edge, enabling unified management and centralized monitoring of internal voice communications across the entire region.
I. Overall Network Architecture
1. Municipal Data Center (Core Management Center)
(1) Configure one ZMUX-6600P system chassis for installing various service line cards.
(2) Two PWR-6U DC power supply boards are configured, with load sharing and primary/backup protection, to connect to two independent -48 V DC power supplies, thereby achieving dual‑power redundant supply.
(3) Configure two M6636E2G voice boards, providing 60 voice interfaces, and connect them to the PBX via audio cables to enable access for private‑network voice signals.
(4) Configure two M100G.DXC optical transmission boards to multiplex the signals output by the voice board into E1/2M signals, and transmit them over leased carrier‑provided E1/2M links to Districts 1 through 6.
(5) Equipped with a network management switch, it connects to the centralized monitoring terminal, enabling unified operations and maintenance, real-time status monitoring, and fault alerts for all devices across the network.
2. Backbone Transport Layer
Relying on the operator’s transmission network as the backbone link between the municipal level and the district/county levels, the municipal‑level data center connects to the operator’s equipment via an E1 interface, while the operator’s transmission equipment in each district and county provides a single E1/2M downstream interface, thereby enabling voice service interconnection between the municipal and district/county levels.
3. District and County Sites (District/County 1 to District/County 6)
(1) The district/county operator’s transmission equipment outputs a single E1/2M channel to the ZMUX-100G optical-electrical aggregation device.
(2) The ZMUX-100G optical‑electrical aggregation device provides one optical interface for direct local connection to the EZMUX-6608SG integrated access device.
(3) The EZMUX-6608SG directly outputs a standard telephone interface, enabling connection to local telephones.
(4) Scalability: The ZMUX-100G optical interface at the district or county level can be extended via a self‑built fiber‑optic network to remote access points. At these remote sites, an EZMUX‑6608SG is deployed to connect call terminals, enabling flexible expansion of coverage to additional remote locations.
II. System Implementation
Network topology diagram of this system:
III. Introduction to Core Equipment
1. ZMUX-6600P (Municipal-Level Central Equipment)
A centralized, high-capacity integrated access device that supports up to 420 voice channels per unit, with E1 or fiber-optic interfaces for external transmission. It is paired with a unified monitoring and management platform, making it well-suited for centralized control scenarios in city-level core data centers.
2. ZMUX-100G (County-Level Optical-Electrical Aggregation Equipment)
It enables bidirectional conversion between E1 electrical signals and optical signals, seamlessly connecting the carrier’s E1 backbone with local fiber-optic links, and serves as an intermediate hub for aggregating services at the district and county levels and extending connectivity to remote sites.
3. EZMUX-6608SG (Remote Integrated Access Device)
The optoelectronic remote voice access unit provides a standard telephone interface and can be deployed locally or extended over long distances via a self‑built fiber‑optic network, making it suitable for deployment at county‑level and remote, far‑distance terminal sites.
IV. Core Advantages of the Solution
1. Unified management and centralized monitoring
A centralized monitoring terminal has been deployed in the municipal data center, enabling unified visibility into the operational status of all ZMUX‑series devices across the network. This allows for rapid fault localization of both circuits and equipment, thereby reducing the operational and maintenance burden on sites in each district and county.
2. Hybrid transmission, flexible scalability
The backbone links utilize carrier‑grade E1 fiber optic circuits, while the edge sites support in‑house fiber deployment to extend connectivity to remote locations, thereby balancing project implementation costs with the need for comprehensive site coverage.
3. Hierarchical networking for easy scalability
It adopts a three-tier architecture comprising city‑level high‑capacity centralized equipment, district‑ and county‑level optical aggregation, and remote access points, enabling straightforward capacity expansion; adding new district or county sites requires only the deployment of a single ZMUX‑100G + EZMUX‑6608SG unit.
4. Supports multi-point voice transmission for government and enterprise applications
The complete suite of self-developed ZMUX/EZMUX series devices (www.gzyinxun.com) provides end-to-end support for voice transmission, boasts strong device compatibility, eliminates the need for additional conversion equipment, and ensures long-term stable and reliable operation.
5. Easy maintenance
Supports network management and monitoring, as well as test functions for external trunk lines and internal extension lines.
V. Application Value of the Plan
The entire architecture is designed to support multi‑site, cross‑regional voice communication within government and enterprise environments, leveraging mature optical‑electrical transmission equipment to balance long‑distance connectivity with future scalability. Centralized monitoring helps reduce cross‑regional operations and maintenance costs, while a hybrid fiber deployment model accommodates diverse regional cabling conditions, delivering a stable, easily scalable end‑to‑end voice transmission solution for multi‑site government and enterprise customers.
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