Description
Technical Specifications
- Product Model: MM20-Z6Z6Z6Z6EAHH
- Brand: Hirschmann (Belden Industrial Networking)
- Warranty: One Year
- Input Voltage: Powered via host switch backplane (no external power input)
- Operating Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +70°C
- Response Time: <1 µs backplane communication latency
- Protection Class: IP20 industrial module
- Accuracy Class: Industrial Ethernet data transmission with deterministic packet handling
- Output Frequency: Fast Ethernet data transmission up to 100 Mbps per port
- Rated Current Range: Low-power module consumption approx. 4 W
- Communication Interface: Industrial Ethernet SFP fiber interface
- Supported Protocols: IEEE 802.3, 802.3u, SNMP, RSTP, MRP (via host switch OS)
- Overload Capacity: 1.5 kV electrical isolation between ports and backplane
- Ports: 4 × Fast Ethernet SFP slots
- Data Rate: Up to 100 Mbps per SFP port
- Dimensions: Approx. 38 × 134 × 118 mm
- Mounting Type: Backplane module for Hirschmann MS20/MS30 series switches
Product Overview
The Hirschmann MM20-Z6Z6Z6Z6EAHH is a modular Fast Ethernet media module designed to expand the fiber connectivity of Hirschmann industrial Ethernet switches, particularly the MS20 and MS30 series. The module provides four SFP fiber-optic slots, enabling flexible integration of single-mode or multi-mode SFP transceivers for long-distance industrial network communication.
In industrial automation environments, reliable network infrastructure is essential for connecting PLCs, controllers, sensors, and supervisory systems. This module allows engineers to expand switch capacity and introduce fiber-optic links without replacing the entire network switch. The fiber-based architecture improves communication stability, reduces electromagnetic interference, and supports long-distance data transmission across large industrial facilities.
The module is installed directly into the switch backplane and receives power from the host switch, simplifying installation and reducing wiring requirements. It also supports hot-swap operation, allowing maintenance or replacement while the switch remains operational. This capability is particularly valuable in high-availability systems where network downtime must be minimized.
Key Functions
Fiber Network Expansion
The module provides four SFP slots for optical communication, enabling industrial Ethernet switches to connect to fiber networks. This allows long-distance connections between production lines, substations, or remote control systems.
Modular Industrial Switch Integration
Designed for Hirschmann MS20 and MS30 series switches, the module expands network capacity without changing the core switch infrastructure. Engineers can adapt network architecture by selecting suitable SFP transceivers.
Hot-Swappable Maintenance
The module can be installed or replaced while the host switch remains powered on. This reduces network downtime and supports continuous operation in critical automation systems.
Industrial-Grade Communication Reliability
Fiber communication minimizes electromagnetic interference and supports stable data transmission in environments with heavy electrical equipment, such as power plants and manufacturing facilities.
Diagnostic Status Indicators
Integrated LED indicators display link status, activity, and port condition. These indicators help technicians quickly identify communication issues during system maintenance.
Application Scenarios
Industrial Automation Networks
Manufacturing plants rely on deterministic network communication between PLCs, robots, and supervisory systems. The module allows fiber-optic links between production cells and control rooms.
Power Substations and Smart Grids
Substation automation systems require reliable Ethernet communication across long distances. Fiber interfaces enable stable connectivity between protection relays, RTUs, and SCADA systems.
Rail Transportation Control Systems
Railway signaling and train monitoring systems often deploy fiber networks to ensure reliable communication between distributed controllers.
Oil and Gas Processing Facilities
In refineries and offshore platforms, fiber networking improves communication reliability in high-EMI environments while enabling centralized monitoring of critical equipment.
