-
-
-
-
-
Download
-
Contact
Communication Networking Scheme for the Airfield of a Certain Airport in Xinjiang Based on Ethernet Ring Switches
Release date:
2026-06-30
I. Overview of the Plan
As civil aviation airport traffic continues to grow, the communication requirements across the airfield are becoming increasingly complex, encompassing multi‑dimensional tasks such as voice dispatch, navigation‑equipment monitoring, meteorological data collection, and surveillance‑data transmission. To ensure high reliability, high availability, and flexible scalability of airfield communications, an airport in Xinjiang has deployed an airfield communication ring network solution based on ring‑topology switches and YinXun PCM equipment (ZMUX‑4102/4104). This solution uses a fiber‑optic ring network as its transport backbone and PCM multi‑service access devices as edge aggregation nodes, thereby establishing a comprehensive communication‑carrying network that spans all remote stations as well as both the new and existing central offices.
II. Objectives of the Project
The implementation of this plan is primarily centered around the following three major objectives:
Ensure high reliability of airfield communications. The remote terminal stations in the airfield area support critical safety‑related functions such as the Instrument Landing System (ILS), navigation, and meteorology; any interruption of the communication links would directly jeopardize the safety of aircraft takeoffs and landings. A ring network architecture provides link redundancy and ensures rapid self‑healing of services in the event of a single point failure.
Achieve unified access and transport for multiple services. The airfield’s various stations simultaneously support multiple service types, including voice, navigation, meteorology, and surveillance. By leveraging PCM equipment, these services are uniformly accessed and aggregated for transmission, eliminating redundant cabling and reducing both construction and operational‑maintenance costs.
Enhance operations and maintenance efficiency and manageability. Through the in-band management channel of the central device, you can remotely monitor the status of all network devices, enabling rapid troubleshooting and configuration deployment, thereby significantly improving operational efficiency.
III. Core Functions
This communication ring network possesses the following core functions:
Multi-service integrated access capability. Each remote-site ZMUX‑4102 PCM device is equipped with a wide array of voice, navigation, meteorological, and monitoring data interfaces, enabling seamless connectivity for various operational terminals within the airfield. Meanwhile, the central office ZMUX‑4104 unit provides high‑capacity aggregation interfaces, facilitating dense aggregation and cross‑connection of services from all remote sites.
Full coverage of business types. The system can simultaneously support voice communications (dispatch and administrative telephones), navigation‑equipment monitoring data (such as ILS and DVOR), meteorological observation data (from the AWOS automated observation system), and video/environmental‑monitoring data, enabling multi‑service integration over a single network and fully resolving the issue of multiple coexisting networks in the airfield area.
Ring network redundancy protection. The ring network switches at each site are interconnected via optical fibers, forming a ring topology. When a fiber link in the ring fails, services can be rapidly restored over an alternate path (self-healing time < 50 ms), ensuring uninterrupted communication.
IV. Network Implementation
The network topology diagram for this solution is as follows:
The network architecture of this solution is as follows:
Remote Site Layer (Airfield Stations): At each remote station—such as the glide slope, localizer, and beacon stations—one ZMUX‑4102 PCM device and one ring‑network switch are deployed. The ZMUX‑4102 equipment handles the access and multiplexing of voice, navigation, meteorological, and surveillance data, while the ring‑network switch encapsulates these service data into IP packets for transmission over the fiber‑optic ring network.
Core Aggregation Layer (Customer Premises): One Yinxun ZMUX‑4104 device and one ring‑network switch are deployed at both the new and existing central offices. The ZMUX‑4104 serves as the central aggregation unit, aggregating services from all remote sites and interfacing with the local office’s internal dispatch system, monitoring system, and meteorological server.
Transport Layer (Airfield Communication Ring Network): The ring network switches at each remote station are interconnected via optical fiber, while both the new and existing central offices are also connected to the ring, thereby forming a complete ring‑topology optical transmission network. In the event of a failure at any station or link, traffic is automatically rerouted to a backup path.
Business flow: Navigation equipment status, meteorological data, surveillance video, and other information collected at remote sites are routed via PCM equipment to the ring‑network switch, where they are aggregated and transmitted to the central office equipment. Meanwhile, voice‑based dispatch commands from the central office can also be disseminated over the ring network to the remote stations, enabling two‑way real‑time communication.
V. Advantages of the Plan
High reliability. The ring network topology provides link redundancy, ensuring that a single‑point fiber‑optic failure does not disrupt communication across the entire network. PCM equipment supports multiple layers of protection, including 1+1 dual‑power supply and 1+1 dual‑controller redundancy, guaranteeing uninterrupted operation of critical services.
Multi-service convergence. A single transmission network simultaneously supports all airfield‑related services, including voice, navigation, meteorology, and surveillance, enabling the efficient consolidation of communication resources and significantly reducing the costs of optical cable deployment and maintenance.
Flexible scalability. The ZMUX-4102/4104 features a modular card‑based architecture, allowing flexible addition or removal of various interface cards to meet evolving service requirements. In the future, when new stations or service types are added, only the corresponding remote units or interface cards need to be deployed—no modifications to the transmission backbone are required.
Remote operations and maintenance. It supports remote monitoring of the status of all network devices via an in-band management channel, enabling rapid fault localization and configuration deployment, thereby significantly reducing on-site maintenance workload. This solution is particularly well-suited to Xinjiang’s environment, where stations are widely dispersed and weather conditions are harsh.
Strong environmental adaptability. The device features an industrial‑grade design, a wide operating temperature range (-40°C to +85°C), and robust immunity to strong electromagnetic interference, fully meeting the demanding operational conditions of airport airside areas.
VI. Conclusion
At a certain airport in Xinjiang, the airfield communication ring network solution employs ring‑topology switches to establish a redundant fiber‑optic transmission backbone and utilizes YinXun’s ZMUX series PCM equipment to enable unified access for voice, navigation, meteorological, and surveillance data, thereby successfully addressing the challenges of supporting multiple sites and diverse services within the airfield. The implementation of this solution has significantly enhanced the airport’s airfield communication support capabilities, providing robust communication infrastructure to ensure the safe operation of flights, while also serving as a valuable reference model for the construction of airfield communication networks at similar airports.
Related Solutions
We Look Forward To Hearing From You
You can contact us in any convenient way. We provide services around the clock via phone or email.
Address: 9th Floor, Building 1, Feishenghui, No. 170 Caiwen Road, Huangpu District, Guangzhou City
Official Account
Copyright:© Guangzhou Yinxun Comm.Tech.Co..Ltd
Sales Hotline：020-38288948 / 649 / 949(Monday to Friday, 09:00-17:30)
Service Hotline：18928804127、13826102301(Non working hours&holidays)
Technical Support：13826102301、13660607732(7 x 24 hours)
After-Sales Service：18928804127、13580538298(7 x 24 hours)
Email：Market@gzyinxun.com