The HollySys A series industrial network switch and industrial gateway provide robust, high-performance network communication solutions designed specifically for smart cities, renewable energy, intelligent transportation, and harsh industrial automation environments. Engineered to comply with rigorous industry standards like EN60950 and EN50032, these devices ensure high reliability and minimal packet loss in electromagnetic compatibility-critical application fields.

Industrial automation networks face severe challenges, including high electromagnetic interference, extreme temperature fluctuations, and demanding data throughput requirements from distributed control nodes and industrial surveillance. The HollySys A series industrial network switch addresses these challenges through advanced non-managed, managed, and Layer 3 routing architectures, delivering stable wire-speed forwarding and rapid ring network self-healing capabilities. These units utilize fanless thermal designs, robust metal enclosures, and dual-power redundancy to prevent unexpected downtime, making them vital components for mission-critical industrial infrastructures.
Technical Specifications
Series: A Series
Product Category: Industrial Network Switch and Industrial Gateway
Compliance Standards: EN60950, EN50032
Model Example GM110-ISW2-D1-8L-A Form Factor: DIN Rail @ Standard
Model Example GM110-ISW2-D1-8L-A Switching Capacity: 20 Gbps @ Full Load
Model Example GM110-ISW2-D1-8L-A Packet Forwarding Rate: 0.892 Mpps @ Wire Speed
Model Example GM110-ISW2-D1-8L-A Layer 2 Management: Supported @ CLI/Web
Model Example GM110-ISW2-D1-8L-A Layer 3 Management: Not Supported @ Basic Profile
Model Example GM110-ISW2-D1-8L-A Ring Network: Supported @ ERPS/RSTP
Model Example GM110-ISW2-D1-8L-A Business Ports: 2 x 100M Fiber (SC Multi-mode Dual Fiber, 2 km), 6 x 10/100M Adaptive Electrical Ports @ Standard
Operating Humidity: 5% ~ 95% @ Non-condensing
Operating Temperature: -40 °C ~ 75 °C @ Extreme Environment
Storage Temperature: -40 °C ~ 85 °C @ Non-operating
Dimensions (Width x Depth x Height): 53 mm x 125 mm x 135 mm @ DIN Rail Unit
IP Protection Rating: IP40 @ Enclosure Standard
Model Example GM110-ISW2-D1-8L-A-20 Fiber Ports: 2 x 100M Fiber (SC Single-mode Dual Fiber, 20 km) @ Long Distance
Model Example GM010-PW-8L-A-A02 Switching Capacity: 1.6 Gbps @ Compact Entry
Model Example GM010-PW-8L-A-A02 Business Ports: 8 x 10/100M Adaptive Electrical Ports @ Standard
Model Example GM010-ISW-24L-C01 Form Factor: Rack-mounted @ 1U Standard
Model Example GM010-ISW-24L-C01 Switching Capacity: 56 Gbps @ High Density
Model Example GM010-ISW-24L-C01 Packet Forwarding Rate: 41.66 Mpps @ Wire Speed
Model Example GM010-ISW-24L-C01 Business Ports: 2 x 100M Fiber Module Slots, 24 x 10/100M Adaptive Electrical Ports @ Mixed Media
Model Example GM011-ISW-24L-A01/1U Switching Capacity: 144 Gbps @ Gigabit Backbone
Model Example GM011-ISW-24L-A01/1U Business Ports: 4 x SFP Fiber Module Slots, 24 x 10/100/1000M Adaptive Electrical Ports @ Gigabit Speed
Model Example GM100-PW-D2C-16L-A Business Ports: 16 x 10/100M Adaptive Electrical Ports @ DIN Rail
Model Example GM101-ISW2-D3-18L-A Switching Capacity: 52 Gbps @ Gigabit Uplink
Model Example GM101-ISW2-D3-18L-A Business Ports: 2 x SFP Fiber Slots, 16 x 10/100/1000M Adaptive Electrical Ports @ Mixed Media
Model Example GM111-ISW4-D3-20L-A Business Ports: 4 x Gigabit SFP Slots, 16 x 10/100/1000M Adaptive Electrical Ports @ High Density
Model Example GM211-ISW4-RHV-28L-A Form Factor: Rack-mounted @ Dual Power AC/DC
Model Example GM111-ISP4-DP-12L-A PoE Standard: IEEE 802.3at (PoE+) @ Powered Ports
Model Example GM211-ISP4-HV-28L-A PoE Standard: IEEE 802.3at (PoE+) @ Rack-mounted
Industrial-Grade Backbone Transmission and Network Redundancy
The HollySys A series industrial network switch portfolio offers versatile mechanical configurations, including compact DIN-rail mountable units for distributed field cabinets and 1-U rack-mounted models for centralized control rooms. By supporting both unmanaged plug-and-play variants and fully managed Layer 2/Layer 3 switches with flexible fiber-copper combination ports, the series adapts smoothly to complex network architectures.
Built with fanless thermal dissipation, robust metal chassis construction, and wide-range redundant power inputs, these switches guarantee continuous operation under severe industrial conditions. They provide reliable data aggregation for factory automation cells, power substations, and intelligent traffic surveillance systems without requiring active cooling maintenance.
Core Performance Decryption: Wire-Speed Forwarding, Ring Healing, and Environmental Resilience
Data throughput and network resilience represent critical metrics for industrial network switches deployed in data-intensive environments. The A series delivers high switching capacities up to 144 Gbps and wire-speed packet forwarding rates up to 41.66 Mpps, ensuring zero frame loss during peak multi-node traffic bursts. Managed models support industrial ring protocols that achieve millisecond-level network recovery, preventing broadcast storms and isolating link failures dynamically.
Furthermore, these units feature Class 4 electromagnetic compatibility protection, guarding internal circuitry against high-voltage surges, electrostatic discharges, and fast transient bursts. Operating reliably across a temperature range of -40 °C to 75 °C with an IP40-rated enclosure, the switches withstand heavy dust, vibration, and thermal extremes found in heavy industrial plants.
Selection Guidance and Engineering Deployment Practice: Topology Planning and Network Debugging
Choosing the correct industrial network switch requires careful evaluation of port density, transmission media, and management depth. For local machine cells with modest connectivity needs, unmanaged DIN-rail models like the GM010-PW-8L-A-A02 offer cost-effective, plug-and-play simplicity. For expansive plant backbones requiring ring redundancy and VLAN segmentation, managed gigabit models like the GM011-ISW-24L-A01/1U or modular units such as the GM011-ISW-24L provide optimal flexibility.
During physical deployment, network engineers should implement star or ring topologies utilizing shielded twisted-pair cabling and secure grounding to eliminate ground loops. Leveraging the device's Web, CLI, or SNMP management interfaces allows technicians to configure VLANs, enable Quality of Service (QoS) priority queues, and monitor link status proactively. When cross-referencing model variants or seeking specific alternative options for legacy network upgrades, technical teams can consult with Beijing Zhongping Technology for localized engineering support and ready-stock inventory fulfillment.
Typical Application Scenarios and Field Deployment Value: Stable Industrial Network Operation
In distributed control systems (DCS) and modern manufacturing execution systems, reliable data communication dictates overall plant productivity. The HollySys A series industrial gateway and switch units establish stable communication loops between programmable logic controllers, remote I/O stations, and supervisory control computers. Their resistance to electrical noise prevents packet corruption near high-power drives and heavy machinery.
Within renewable energy installations like photovoltaic plants and wind farms, these switches operate reliably inside outdoor control boxes exposed to harsh weather variations. By minimizing unexpected network failures, simplifying physical cable routing, and delivering extended mean time between failures, the A series reduces total maintenance overhead for system integrators and equipment manufacturers.
Frequently Asked Questions (FAQ)
1. What are the standard delivery lead times and warranty terms for the HollySys A series switches?
Standard factory stock models are typically prepared for rapid dispatch, backed by a comprehensive 12-month quality warranty covering manufacturing defects.
2. Does Beijing Zhongping Technology provide pre-shipment inspection and technical support for bulk orders?
Yes, all units undergo rigorous pre-shipment quality checks, and local technical teams provide professional pre-sales cross-referencing and troubleshooting assistance.
3. What is the primary difference between unmanaged and managed models in the A series?
Unmanaged switches operate via simple plug-and-play without configuration, while managed models support advanced features like VLAN segregation, SNMP monitoring, and ring redundancy.
4. How do the A series switches achieve rapid network self-healing during a link failure?
Managed variants support industrial ring network protocols that reroute traffic within milliseconds upon detecting a physical link break, ensuring uninterrupted data transmission.
5. Are PoE+ options available for powering remote field devices like IP cameras or wireless access points?
Yes, specific models such as the GM111-ISP4-DP-12L-A and GM211-ISP4-HV-28L-A support the IEEE 802.3at PoE+ standard to deliver power and data over a single Ethernet cable.
6. What installation mounting options are supported across the product line?
The series includes compact DIN-rail mountable units for constrained field cabinets and standard 1-U rack-mounted models designed for central server room installations.
7. Can these industrial switches operate reliably in high-temperature outdoor enclosures without active cooling?
Yes, with a fanless design and a certified operating temperature range of -40 °C to 75 °C, they dissipate heat efficiently through natural convection inside sealed enclosures.
8. What interface types are available for long-distance data transmission in hazardous environments?
The switches offer SFP optical module slots and fixed multi-mode or single-mode fiber ports (such as SC connectors supporting links up to 20 km) to eliminate electromagnetic interference over long distances.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.