Select a twenty-four-port EEC network configuration with Hirschmann BRS20-2400ZZZZ-TTDY99HHSESXX.X.XX

Hirschmann BRS20-2400ZZZZ-TTDY99HHSESXX.X.XX is the BRS20-20TX/4SFP-EEC variant with twenty RJ45 Fast Ethernet ports and four 100 Mbit/s SFP slots. Its metal housing and −40 to +70 °C operating range distinguish this configuration from the standard-temperature version. It supports a network design that combines local copper connections with separately specified optical paths. Both the environmental requirement and the fiber interface specification should appear in the purchasing schedule, alongside the complete Product code and part number.

Treat optical and environmental compatibility as separate checks

An optical module must match the supported interface, fiber path and far-end equipment. Its own environmental specification must also suit the planned installation. Selecting an EEC switch does not establish the rating of every accessory connected to it. Prepare a module schedule for all four slots and check the required temperature capability when reviewing the complete assembly. The slots are specified for 100 Mbit/s operation, with two slots in each uplink group, so keep that speed requirement visible in the equipment list.

Route the links around the physical installation

A twenty-four-port arrangement benefits from labeling that distinguishes twenty copper device connections from the optical uplinks. Show the intended paths in the cabinet drawing and allow service access to the connectors. Where redundant connections are planned, document which link belongs to each path and how the selected network protocol is configured. Physical separation and cable routing are installation matters that need to be assessed for the site. They should not be inferred from the presence of multiple fiber slots.

Hirschmann product reference image. The pictured model may differ from the specified configuration.

Technical specifications

Visibility for both copper and optical interfaces

SFP management, copper cable testing and link-speed monitoring are included in the diagnostic list. Syslog and traffic mirroring offer additional investigation options, while HTTPS, SSHv2 and SNMP provide management access. Decide how those tools fit the site service procedure before the switch is handed over. If HIPER-Ring, MRP or RSTP is used, preserve the relevant settings and test the expected topology behavior. Four optical slots provide physical interface choices; their existence alone does not establish a fully configured redundant network.

Review the enclosure as an assembled system

The 16 W switch consumption belongs in the panel power and thermal assessment. Check the temperature at the installed device, the specified DC supply and the protection offered by the enclosure. The IP30 rating requires appropriate installation protection; a metal housing alone does not establish outdoor suitability. Obtain the mechanical information for the exact supplied revision when finalizing mounting and loading calculations. This is particularly useful when replacing another BRS20 configuration with a different housing or connector arrangement.

A complete handover for the EEC optical model

Record the installed SFP references, cable destinations and normal port status after testing. Include the chosen redundancy settings and the configuration backup. Confirm that the environmental requirements considered during selection also cover the installed optical modules and the enclosure arrangement. Keep the resulting equipment schedule associated with Hirschmann BRS20-2400ZZZZ-TTDY99HHSESXX.X.XX; it will be useful when requesting an additional module, investigating a link fault or replacing the switch.

Specify the full fiber-switch package

Include Hirschmann BRS20-2400ZZZZ-TTDY99HHSESXX.X.XX and part number 942170058 in the inquiry, followed by the number and type of required optical modules. State whether commissioning accessories are part of the requested supply. For an existing network, provide the configuration record and far-end interface details so that compatibility checks have a concrete reference. At handover, retain the approved settings, module list and cable destinations together. This gives the service team a consistent basis for replacement and fault investigation.

Preserve configuration changes alongside module changes

USB-C local management and XML-based configuration files provide documented options for device administration and replacement. The feature list also includes automatic configuration undo and remote backup when saving. When an optical module or a cable destination changes, review whether the port settings and configuration record need to change as well. Retain the approved version with the equipment schedule and identify the service accessories needed to restore it. This keeps the record of the EEC copper/fiber installation useful beyond initial commissioning and helps separate hardware changes from changes in network behavior. Keep a dated record of accepted configuration changes.

Manufacturer reference:

Hirschmann BRS20-20TX/4SFP-EEC — official configuration details