HollySys C Series Unmanaged Industrial Switch DIN Rail Switch

The HollySys C Series industrial switch platform is engineered to maintain robust data connectivity across harsh industrial automation environments through wide operating temperatures and fanless hardware designs. Regional supply options can be coordinated through Beijing Zhongping Technology to support specific industrial networking requirements.

Modern industrial automation relies heavily on reliable network infrastructure to prevent packet loss and communication latency during continuous manufacturing operations. The HollySys C Series industrial switches employ industrial-grade hardware component platforms that offer higher reliability than standard commercial alternatives. Utilizing a fanless thermal dissipation architecture with integrated heat sinks and thermal conductive gel, these switches dissipate heat efficiently without mechanical moving parts. They operate reliably within an ambient temperature range of -40 °C to 75 °C while providing lightning protection and surge suppression capabilities. The entire series achieves an IP40 protection rating to withstand dust and moisture in challenging outdoor and factory floor environments. Furthermore, the lineup spans unmanaged, managed, and light-layer-3 managed variants to accommodate diverse network topologies from simple edge connections to complex plant-wide ring architectures.

Technical Specifications

Series: C Series

Housing Type: DIN Rail / Rackmount

Cooling Method: Fanless thermal dissipation

Operating Temperature: -40 °C to 75 °C @ Standard Load

Storage Temperature: -40 °C to 85 °C @ Ambient

Operating Humidity: 5% to 95% @ Non-condensing

Ingress Protection: IP40 to IP41

Model GM100-PW-D1-5L-C Switch Type: DIN rail mount

Model GM100-PW-D1-5L-C Switching Capacity: 128 Gbps @ Full Duplex

Model GM100-PW-D1-5L-C Packet Forwarding Rate: 30 Mpps @ Wire Speed

Model GM100-PW-D1-5L-C Layer 2 Management: Not supported

Model GM100-PW-D1-5L-C Layer 3 Management: Not supported

Model GM100-PW-D1-5L-C Ring Network Support: Not supported

Model GM100-PW-D1-5L-C Business Ports: 5 ports 10/100 Mbps adaptive electrical ports

Model GM100-PW-D1-5L-C Dimensions: 30 mm x 100 mm x 120 mm @ Width x Depth x Height

Model GM101-PW-D1-8L-C Business Ports: 8 ports 10/100/1000 Mbps adaptive electrical ports

Model GM101-PW-D1-8L-C Dimensions: 44 mm x 131 mm x 150 mm @ Width x Depth x Height

Model GM101-ISW2-D1-10L-C Business Ports: 2 SFP slots, 8 ports 10/100/1000 Mbps adaptive electrical ports @ Standard Config

Model GM111-ISW2-D3-10L-C Switching Capacity: 336 Gbps @ Full Duplex

Model GM111-ISW2-D3-10L-C Packet Forwarding Rate: 96 Mpps @ Wire Speed

Model GM111-ISW2-D3-10L-C Layer 2 Management: Supported @ CLI / SNMP

Model GM111-ISW2-D3-10L-C Layer 3 Management: Not supported

Model GM111-ISW2-D3-10L-C Ring Network Support: Supported @ ERPS / RSTP

Model GM111-ISW2-D3-10L-C Dimensions: 75 mm x 131 mm x 150 mm @ Width x Depth x Height

Model GM232-ISW4-HV-28L-C Mount Type: Rackmount

Model GM232-ISW4-HV-28L-C Switching Capacity: 336 Gbps @ Full Duplex

Model GM232-ISW4-HV-28L-C Packet Forwarding Rate: 126 Mpps @ Wire Speed

Model GM232-ISW4-HV-28L-C Layer 2 Management: Supported @ VLAN / LACP / QoS

Model GM232-ISW4-HV-28L-C Layer 3 Management: Supported @ Static Routing

Model GM232-ISW4-HV-28L-C Business Ports: 16 ports 10/100/1000 Mbps adaptive electrical ports, 8 combo ports, 4 slots 1G/10G SFP @ Max Configuration

Model GM232-ISW4-HV-28L-C Dimensions: 440 mm x 260 mm x 43.6 mm @ Width x Depth x Height

Industrial Backbone Transmission and Network Redundancy

The C Series industrial Ethernet switches offer flexible product form factors, including DIN-rail mountable compact units and rackmount modular units, designed to match diverse control cabinet layouts. They integrate a combination of fast Ethernet, gigabit electrical ports, and SFP fiber optic slots to facilitate hybrid transmission mediums across long distances. Industrial network protocols and high-speed switching fabrics ensure that data packets transit between field instruments and control rooms with minimal latency.

To satisfy the demanding uptime criteria of factory automation, power monitoring, and intelligent transportation, these switches incorporate robust physical features. The fanless design eliminates single points of failure associated with mechanical cooling fans, while dual power redundancy options protect against unexpected power supply interruptions. Housed within ruggedized metal enclosures, the switches maintain structural integrity and electrical stability under continuous mechanical vibration and high electromagnetic interference conditions.

Core Performance Decryption: Wire-Speed Forwarding, Ring Self-Healing, and Environmental Hardening

Switching capacity and packet forwarding rates dictate how effectively a network handles multi-node high-traffic loads, such as industrial machine vision streams and synchronized data acquisition. Models like the GM111-ISW2-D3-10L-C deliver a switching capacity of 336 Gbps and a packet forwarding rate of 96 Mpps, ensuring zero queue congestion during peak traffic bursts. Managed versions support ring network protocols that achieve rapid millisecond-level recovery times, isolating faults instantly and rerouting traffic without disrupting control loops.

Environmental survivability is validated through stringent compliance with industrial electromagnetic compatibility standards and wide thermal thresholds. Operating effectively from -40 °C to 75 °C allows these units to be deployed inside unconditioned outdoor cabinets or near high-heat manufacturing machinery. Built-in surge suppression circuits safeguard internal components against voltage transients induced by lightning strikes or heavy inductive load switching on neighboring factory power lines.

Selection Guidance and Engineering Deployment Practice: Topology Planning and Field Commissioning

Deploying an industrial network requires careful evaluation of port density, bandwidth requirements, and management capabilities during the engineering phase. For unmanaged setups, models like the GM100-PW-D1-5L-C provide plug-and-play simplicity for isolated machine cells. Conversely, managed models such as the GM232-ISW4-HV-28L-C suit core aggregation layers where VLAN segmentation, broadcast storm suppression, and QoS priority queues are necessary to segregate safety traffic from general diagnostic data.

Topological planning should leverage ring architectures for critical loops and tree structures for peripheral device branches. Configuration of managed switches is accessible via Command Line Interface, Telnet, SNMP, or SSH protocols. Technical support teams from Beijing Zhongping Technology can assist system integrators with cross-reference selection, model matching, and stock availability verification to streamline project execution.

Typical Application Scenarios and Field Operational Value: Real-World Industrial Network Stability

Distributed Control Systems, plant-wide video surveillance networks, and automated production lines demand communication hardware that operates continuously without manual intervention. The C Series switches maintain steady data exchange between programmable logic controllers, remote I/O drops, and supervisory control stations. Their ability to maintain performance under severe thermal stress minimizes unexpected network downtime and reduces maintenance overhead for plant engineers.

Deploying these switches simplifies cabinet wiring structures through compact DIN-rail footprints and logical port layouts. By preventing communication dropouts in high-interference electrical rooms, the switches protect industrial processes from costly emergency halts. This high operational reliability provides lasting economic value for original equipment manufacturers and system integrators designing long-life industrial assets.

Frequently Asked Questions (FAQ)

1. What are the standard delivery timelines and inventory status for the C Series switches?

Standard configurations are maintained in regional stock to fulfill urgent project demands, with specific dispatch schedules confirmed upon order placement.

2. What warranty coverage applies to these industrial switches?

The products are backed by a comprehensive twelve-month hardware warranty covering manufacturing defects under normal operating conditions.

3. Do the unmanaged models require any software configuration before installation?

No configuration is required for unmanaged models like the GM100-PW-D1-5L-C; they operate on a plug-and-play basis immediately upon powering up.

4. How do managed models handle ring network redundancy?

Managed models support rapid ring protocols that detect path interruptions and reroute data packets within milliseconds to ensure uninterrupted network availability.

5. What type of power supply inputs do these industrial switches accept?

The switches are engineered to accept industrial standard voltage inputs, supporting robust power redundancy to prevent system shutdown during primary power failure.

6. Can SFP modules from third-party manufacturers be used in the SFP slots?

It is recommended to use compatible industrial-grade SFP transceiver modules matching the rated temperature specifications to ensure optical link stability.

7. How does the IP40 rating protect the internal circuitry?

The IP40 enclosure prevents solid foreign objects larger than 1.0 mm from entering the housing, safeguarding sensitive internal circuit boards from conductive dust accumulation.

8. What management interfaces are available for configuring managed switches?

Managed variants support configuration and monitoring via command line interface, Telnet, Secure Shell, and Simple Network Management Protocol utilities.

9. Are these switches suitable for installation inside outdoor roadside cabinets?

Yes, provided the enclosure offers basic weather protection, the switch's wide operating temperature range and surge protection mechanisms handle outdoor thermal extremes.

10. What is the primary difference between the GM101-ISW2-D1-10L-C and GM111-ISW2-D3-10L-C models?

While both feature similar physical port configurations, the GM111-ISW2-D3-10L-C includes advanced layer-2 management and ring network capabilities, whereas the GM101 model functions as an unmanaged device.