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Advantech NMC-0121-04CBSA1 4-Port 1GbE RJ45 Thumbscrew Network Module with Advanced LAN Bypass
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Product Features
Technical Overview
This network module implements Gigabit Ethernet technology with auto-negotiation capabilities that automatically detect and configure optimal connection speeds between 10Mbps, 100Mbps, and 1000Mbps. The four RJ-45 ports support standard twisted pair cabling, providing compatibility with existing network infrastructure while ensuring reliable signal transmission.
The advanced LAN bypass feature enhances network resilience by maintaining physical layer connectivity even when the module itself is powered off or undergoing maintenance. This ensures uninterrupted data flow through the network path, critical for applications requiring continuous uptime and fault tolerance.
Key Product Advantages
This Advantech network module delivers several distinct advantages for networking deployments. The combination of high-speed connectivity, physical reliability features, and compact design makes it a versatile solution for various networking environments.
Enhanced Network Resilience
The integrated advanced LAN bypass maintains physical layer connectivity during power loss or maintenance, preventing network disruption and supporting mission-critical applications.
- Maintains connectivity during power events
- Supports continuous network operations
- Reduces downtime during maintenance
Secure Physical Connections
Thumbscrew-type RJ-45 connectors provide secure cable retention, preventing accidental disconnections in environments with vibration or movement.
- Secure cable fastening
- Reduces connection failures
- Suitable for industrial environments
Backward Compatibility
10/100/1000Base-T auto-negotiation ensures compatibility with existing network equipment operating at various speeds, simplifying integration and upgrades.
- Auto-negotiates speed
- Works with 10/100Mbps equipment
- Simplifies network migration
Deployment / Use Cases
The Advantech NMC-0121-04CBSA1 network module is designed for deployment in environments requiring reliable, high-speed Ethernet connectivity with enhanced fault tolerance. Its compact plug-in form factor makes it suitable for integration into networking equipment, industrial control systems, and telecommunications infrastructure.
Typical applications include industrial automation systems where network reliability is critical, edge computing deployments requiring multiple Ethernet connections, and network security appliances that benefit from the LAN bypass functionality. The module's environmental compliance with RoHS and WEEE directives makes it suitable for deployments with specific environmental requirements.
Industrial Networking
Deploy in manufacturing environments, process control systems, and industrial IoT applications where secure connections and network resilience are essential for continuous operations.
Network Infrastructure
Integrate into routers, switches, and network appliances to expand port capacity while maintaining high-speed connectivity and fault tolerance through LAN bypass capabilities.
Physical Profile
The network module features a compact plug-in form factor measuring 1.67 inches in height, 2.94 inches in width, and 6.88 inches in depth (42.40 mm x 74.60 mm x 174.70 mm). This space-efficient design allows for integration into equipment with limited internal space while providing four full Gigabit Ethernet ports. The module is manufactured in China and complies with environmental standards including RoHS and WEEE directives.
- Width
- 2.94" (74.60 mm)
- Depth
- 6.88" (174.70 mm)
- Height
- 1.67" (42.40 mm)
Highlights
- 4-port Gigabit Ethernet network module with RJ-45 connectors
- Advanced LAN bypass maintains connectivity during power loss or maintenance
- Thumbscrew-type connectors for secure cable retention
- Supports 10/100/1000Base-T auto-negotiation over twisted pair cable
- Compact plug-in form factor for space-constrained installations
- Data transfer rates up to 1000Mbps for high-performance networking
- Backward compatible with existing 10/100Mbps network equipment
- Environmental compliance with RoHS and WEEE directives
Specifications
| Specifications | |
|---|---|
| Manufacturer | Advantech Co., Ltd |
| Manufacturer Part Number | NMC-0121-04CBSA1 |
| Brand Name | Advantech |
| Product Model | NMC-0121 |
| Product Name | 4 Ports 1GbE RJ45 Thumbscrew Type with Advanced LAN Bypass |
| Product Type | Network Module |
| Technical Information | |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 4 |
| Connector Type | RJ-45 |
| Interfaces/Ports Details | 4 x RJ-45 10/100/1000Base-T LAN |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 10/100/1000Base-T |
| Physical Characteristics | |
| Form Factor | Plug-in Module |
| Height | 1.67" (42.40 mm) |
| Width | 2.94" (74.60 mm) |
| Depth | 6.88" (174.70 mm) |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
FAQ
What is the purpose of the advanced LAN bypass feature?
The advanced LAN bypass maintains physical layer network connectivity even when the module is powered off or undergoing maintenance. This ensures uninterrupted data flow through the network path, which is critical for applications requiring continuous uptime and fault tolerance in industrial or mission-critical environments.
What type of cabling does this network module support?
This Advantech module supports standard twisted pair Ethernet cabling. It is compatible with 10/100/1000Base-T network technology, allowing it to work with existing Cat5e, Cat6, or higher category cabling infrastructure commonly deployed in enterprise and industrial networking environments.
What are the physical dimensions of this network module?
The module measures 1.67 inches in height, 2.94 inches in width, and 6.88 inches in depth (42.40 mm x 74.60 mm x 174.70 mm). This compact plug-in form factor makes it suitable for integration into networking equipment and industrial systems where space efficiency is important.
What network speeds does this module support?
The module supports Gigabit Ethernet technology with auto-negotiation capabilities for 10Mbps, 100Mbps, and 1000Mbps connections. It automatically detects and configures the optimal connection speed based on the connected equipment, providing backward compatibility with older network devices while delivering up to 1000Mbps data transfer rates.