Define the module inventory and required 2A policies for Hirschmann BRS30-2004OOOO-STCY99HHSEAXX.X.XX
Hirschmann BRS30-2004OOOO-STCY99HHSEAXX.X.XX is the Hirschmann BRS30-20TX/4SFP-2A BOBCAT managed DIN rail configuration with 20 10/100BASE-TX RJ45 ports and four 100/1000 Mbit/s SFP slots. The catalog specifies an operating temperature range of 0 to +60 °C. Identify the unit by its complete Product code and part number 942170119 when planning an installation or requesting a repeat order. The interface arrangement, environmental values and documented software functions below define the selection more precisely than a family name alone.
Technical specifications
| Brand | Hirschmann |
|---|---|
| Catalog Type | BRS30-20TX/4SFP-2A |
| Product code | BRS30-2004OOOO-STCY99HHSEAXX.X.XX |
| Part Number | 942170119 |
| Port Type and Quantity | 24 Ports in total: 20x 10/100BASE TX / RJ45; 4x 100/1000Mbit/s fiber ; 1. Uplink: 2 x SFP Slot (100/1000 Mbit/s) ; 2. Uplink: 2 x SFP Slot (100/1000 Mbit/s) |
| Operating Voltage | 2 x 12 VDC ... 24 VDC |
| Power Consumption | 16 W |
| Operating temperature | 0 to +60 °C |
| Housing | PC-ABS |
| Dimensions (WxHxD) | 109 mm x 138 mm x 115 mm |
| Weight | 1050 g |
| Mount Type | DIN Rail |
| IP Protection Rating | IP30 |
Tie the larger port schedule to a documented access plan
Twenty copper Fast Ethernet ports can serve several equipment groups, while four 100/1000 Mbit/s SFP slots provide separately selected optical connections. Define the role of each interface before applying access controls. The 2A catalog lists DHCP snooping, Dynamic ARP Inspection and IP Source Guard. Review trusted paths, addressing arrangements and maintenance access against the actual network design. The listed RSPAN, SFLOW and email functions should be connected to a defined monitoring process if required by the project. Select compatible optical modules independently of the software review, and include the module inventory in the acceptance record. Test required policies and application communication with the connected equipment, then retain the approved settings. A repeat order should preserve the complete 2A reference and the optical supply scope so connector count alone does not determine the replacement selection.

Hirschmann product reference image. The pictured model may differ from the specified configuration.
Keep segmentation tied to the application design
The catalog switching functions include VLANs, prioritization and IGMP snooping. Determine how these functions fit the real traffic pattern before assigning settings to individual ports. Document which connections belong to each intended network segment and where traffic must pass between equipment groups. Multicast handling should be tested with the devices that generate and receive that traffic. Save the accepted settings after application testing, and review them when port roles change. This makes the installed configuration easier to maintain than an undocumented collection of settings carried forward from another machine.
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.
Review the supply and mounting arrangement
The manufacturer lists 16 W power consumption and pc-abs housing. The supply specification is 2 × 12–24 V DC. The published enclosure dimensions are 109 mm x 138 mm x 115 mm. The specified device weight is 1050 g. Plan the cabinet layout around the DIN rail mounting arrangement, with additional clearance for the connected cables and access to terminals. IP30 is the stated enclosure protection; the surrounding installation must provide the protection required by its environment. Check the supply wiring against the manufacturer instructions and label each connection. Retain the approved power arrangement with the equipment documentation, especially where the maintenance process depends on identifying individual supply sources. Use the exact device weight when reviewing the mounting arrangement.
Prepare a clear replacement inquiry
Use Hirschmann BRS30-2004OOOO-STCY99HHSEAXX.X.XX and part number 942170119 as the common reference across the inquiry, quotation and acceptance record. Add the required quantity and provide the existing device label where a unit is being replaced. Describe the required network functions and connection arrangement, and identify accessories as separate supply items. Review the offered scope before release. After installation, retain the accepted configuration and record the actual cable destinations. A complete record helps future service work preserve the intended selection even when several similar switches are used at the same site.
Configuration files belong with the machine documentation
The documented configuration tools include USB-C management support, XML-based configuration files and automatic configuration undo. Remote configuration backup when saving is also listed. Select the backup method used by the site and test the procedure during commissioning. Store the accepted file with the machine reference and the full switch code, and record later authorized changes. A file without a clear device association can be as difficult to use as a missing backup. Identify service accessories separately if the maintenance procedure depends on a particular cable or adapter. Keep a dated record of accepted configuration changes.
Manufacturer reference:
Hirschmann BRS30-20TX/4SFP-2A — official configuration details
