Specify the metal-housing BRS20-20TX-EEC configuration: Hirschmann BRS20-20009999-TTDY99HHSESXX.X.XX
Hirschmann BRS20-20009999-TTDY99HHSESXX.X.XX is a twenty-port managed Fast Ethernet switch configuration with a metal enclosure and an operating temperature range of −40 to +70 °C. Its twenty RJ45 interfaces are specified as 10/100BASE-TX. This EEC version is relevant when the environmental requirement differs from a standard-temperature cabinet installation, while the network still uses copper Fast Ethernet links. Use the complete code when comparing offers because the short BRS20 family name does not define the same environmental and housing characteristics.
Evaluate the temperature where the switch will operate
A cabinet may experience a different temperature from its surroundings, especially with several energized components in a confined area. Review the lowest starting condition and the highest expected local operating temperature. The EEC range is a device specification and should be assessed with the rest of the panel equipment. The 15 W consumption contributes to both the electrical load and enclosure heat considerations. Establish the installation conditions before deciding whether this version is suitable for the project.
Hirschmann product reference image. The pictured model may differ from the specified configuration.
Technical specifications
| Brand | Hirschmann |
|---|---|
| Catalog Type | BRS20-20TX-EEC |
| Product code | BRS20-20009999-TTDY99HHSESXX.X.XX |
| Part Number | 942170082 |
| Port Type and Quantity | 20 Ports in total: 20x 10/100BASE TX / RJ45 |
| Operating Voltage | 2 x 12 VDC ... 24 VDC |
| Power Consumption | 15 W |
| Operating temperature | −40 to +70 °C |
| Housing | Metal |
| Mount Type | DIN Rail |
| IP Protection Rating | IP30 |
Monitoring a copper network across service visits
The management feature list includes HTTPS, SSHv2, SNMP v1/v2/v3 and LLDP, while diagnostics provide copper cable testing, link-speed and duplex monitoring, event logging and port mirroring. Choose which information the maintenance team needs and where it will be retained. A logged event is easier to interpret when port destinations and recent configuration changes are known. HIPER-Ring, MRP and RSTP support planned redundancy arrangements, subject to correct configuration across the network. Acceptance should confirm the selected arrangement rather than simply checking that all link LEDs are illuminated.
Twenty copper ports without an assumed optical uplink
All twenty network connections in this configuration are RJ45 Fast Ethernet ports. If the project requires a fiber path, that requirement must be addressed explicitly in the network design rather than inferred from the BRS20 name. Count the ports needed for network interconnections as well as local endpoints. The shared-link load can be more significant than an individual device connection, so identify traffic paths and expected communication groups before finalizing the port schedule.
Use management access as part of the maintenance design
Decide which workstations and users will administer the switch, then configure management access accordingly. The documented secure management methods and account controls provide options for implementing that plan. Keep the assigned management address, approved credentials procedure and configuration backup within the site maintenance process. Technicians can then review link indications, event information and port settings without having to reconstruct the original network design. The full Product code should remain attached to those records.
Acceptance questions for the maintenance team
Can authorized personnel reach the management interface? Do the observed link speeds match the port schedule? Has the selected redundancy behavior been tested, and is the final configuration available to the service team? Resolve these questions before closing the commissioning record. Associate the answers with Hirschmann BRS20-20009999-TTDY99HHSESXX.X.XX and the installation location so that later work has a clear reference for the actual device rather than only a family-level description.
Check enclosure protection and ordering details separately
IP30 protection does not make the switch an exposed outdoor product. Confirm the protective enclosure, cable entry arrangement and installation environment as separate project requirements. Request the current mechanical drawing when allocating space for this exact metal-housing version; dimensions from a similar plastic-housing product should not be substituted. Send Hirschmann BRS20-20009999-TTDY99HHSESXX.X.XX, part number 942170082, quantity and accessory requirements with the inquiry. For replacement work, include the existing equipment label and the functions that must be retained.
Prepare a local service option
The catalog identifies USB-C for local management and device replacement. Configuration functions include XML-based files, automatic configuration undo and backup to a remote server when saving. Decide how service personnel will use these options if the normal management connection is unavailable. Keep the approved configuration and required access procedure with the equipment documentation. For an EEC installation, the surrounding work conditions and access to the enclosure should be considered in that service plan. Order any needed cable or adapter explicitly rather than assuming it is part of the basic switch supply. Keep a dated record of accepted configuration changes.
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