2.5-Gigabit Industrial Uplink & Bulk Arrival Update | September 2, 2026

Answer first: The Hirschmann BRS50-8TX/4SFP—complete product code BRS50-00122Q2Q-STCY99HHSESXX.X.XX, order number 942170010—is a managed, fanless BOBCAT DIN-rail switch with eight 10/100/1000BASE-T RJ45 ports and four SFP positions supporting 100/1000/2500 Mbit/s fiber uplinks. It is intended for industrial networks that need Gigabit device access plus additional uplink headroom for aggregation, fiber rings, machine-vision traffic and future expansion. HONGKONG XIEYUAN TECH CO., LIMITED is supporting current stock, rapid-delivery and project-quantity enquiries for 942170010 and the wider hot-selling Hirschmann BOBCAT series.

Industry Outlook: The Next Bottleneck Is Often the Uplink

Industrial Ethernet upgrades have focused heavily on replacing Fast Ethernet access ports with Gigabit links. The next constraint is increasingly appearing one layer higher: several Gigabit devices share an uplink that was sized for an earlier generation of PLC, HMI and maintenance traffic. Machine vision, high-frequency diagnostics, edge analytics, production video and larger firmware transfers can create short but significant traffic peaks at the aggregation point.

Our 2026-2027 forecast: many brownfield projects will adopt an intermediate 2.5 Gigabit step before moving to 10 Gigabit at the cabinet level. A 2.5G-capable optical uplink can provide useful additional headroom while preserving compact DIN-rail hardware, familiar BOBCAT management and existing Gigabit copper endpoints.

This does not mean every network needs 2.5G immediately. It means procurement teams should compare measured peak traffic, expected device growth and redundancy requirements with the uplink design. Buying only for today's average utilization can create another replacement cycle when new vision or data-collection workloads are added.

Technical Profile: BRS50-8TX/4SFP 942170010

• Type: Hirschmann BRS50-8TX/4SFP.

• Complete product code: BRS50-00122Q2Q-STCY99HHSESXX.X.XX.

• Order number: 942170010.

• Total ports: 12.

• Copper access: 8 x 10/100/1000BASE-T RJ45.

• Fiber uplinks: 4 x SFP slots supporting 100/1000/2500 Mbit/s modules, arranged as two uplink pairs.

• Published copper distance: up to 100 m under the specified twisted-pair conditions.

• Power: two 12-24 VDC inputs; published consumption 12 W.

• Operating temperature: 0°C to +60°C for this standard variant.

• Construction: fanless DIN-rail design, 73 x 138 x 115 mm, 570 g, PC-ABS housing, IP30.

• Local service: USB-C for local management and device replacement.

• Software: HiOS Layer 2 Standard platform; Belden's current configuration data lists HiOS 10.3.01.

• Industrial security: IEC 62443-4-2 Security Level 2 listed in the official product data.

Configuration Breakdown: Reading 00122Q2Q

BRS50 identifies the BOBCAT platform with 2.5 Gigabit-capable uplink positions. In this orderable configuration, 0012 corresponds to the twelve-port layout and 2Q2Q distinguishes the two pairs of 100/1000/2500 Mbit/s SFP positions. The STCY section identifies the standard-environment, housing and software selection tied to order number 942170010.

For purchasing, quote all three identifiers together: BRS50-8TX/4SFP, BRS50-00122Q2Q-STCY99HHSESXX.X.XX and 942170010. A generic request for “BRS50” can map to different port counts, environmental ratings or software selections.

Why 2.5G Uplinks Can Matter with Eight 1G Access Ports

Eight Gigabit copper ports do not normally transmit at full line rate simultaneously, but several bursty devices can still compete for one 1G uplink. A 2.5G optical path raises the available aggregation ceiling without requiring every endpoint to change. It can be particularly useful where two or more machine-vision systems, engineering workstations or edge computers share the same upstream route.

Bandwidth alone is not a design. Engineers should review traffic direction, oversubscription, multicast behavior, redundancy paths, latency objectives and the capacity of the upstream switch. A 2.5G port connected to a 1G-only peer will not create a 2.5G link, and an unsupported transceiver can delay commissioning regardless of the base switch capability.

BRS50-8TX/4SFP or BRS40-8TX/4SFP?

Both models provide eight Gigabit RJ45 access ports and four removable optical positions. The important distinction is uplink speed. BRS40-8TX/4SFP 942170009 supports 100/1000 Mbit/s SFP links, while BRS50-8TX/4SFP 942170010 extends those positions to 2500 Mbit/s with compatible modules and peers.

Select BRS40 when 1G optical capacity is sufficient and the project is cost-sensitive. Select BRS50 when traffic measurements, planned expansion or standardization justify 2.5G uplink headroom. Avoid specifying BRS50 solely from the larger model number; the optical modules, remote ports and network architecture must also support the intended speed.

SFP Selection Is Part of the System, Not an Accessory Detail

The four cages support removable transceivers, allowing a project to match speed, multimode or single-mode fiber, wavelength and distance. This flexibility is valuable for mixed plant environments, but connector appearance is not proof of compatibility. Confirm the supported Hirschmann module, data rate, wavelength, fiber type, connector, link budget and temperature rating at both ends.

For 2.5G operation, verify that the selected module and the upstream device explicitly support the same 2.5G interface mode. Procurement records should pair each switch order with its intended SFP bill of materials so that spares and replacements remain traceable.

TSN, Timing and Resilient Topologies

Belden's current data lists TSN 802.1Qbv support on interfaces 1/1 through 1/3, together with 802.1AS and PTPv2 timing functions. Deterministic performance depends on an end-to-end design covering endpoints, schedules, firmware and traffic policies; a TSN-capable switch alone does not make an application deterministic.

Redundancy functions include MRP, RSTP, HIPER-Ring, link backup, redundant network coupling and LACP. Four optical positions can support resilient fiber layouts, but the two routes must avoid common power, cable and upstream-switch failure domains if they are expected to protect production availability.

Cybersecurity and Lifecycle Operations

The platform includes HTTPS, SSH, SFTP/SCP, SNMPv3, 802.1X, RADIUS, VLAN-based access controls, configurable password policies, secure boot and signed firmware images. Belden lists IEC 62443-4-2 Security Level 2 for this configuration.

Operational controls remain essential: disable unused ports and services, isolate management traffic, maintain an approved firmware baseline, back up configurations and test the USB-C-assisted replacement workflow. Track SFP firmware and compatibility information with the switch configuration to reduce recovery time.

Selection Guide: Hot-Selling Hirschmann BOBCAT Models

All models above—and the wider BRS20, BRS30, BRS32, BRS40, BRS42, BRS50 and BRS52 portfolio in our current sourcing programme—are currently hot-selling. Mixed-model buyers can also review our Hirschmann BOBCAT bulk-arrival and configuration procurement index.

Bulk Arrival and Supply-Chain Update

We are supporting stock-oriented, rapid-delivery and bulk-order enquiries for Hirschmann BRS50-8TX/4SFP 942170010. Demand is being driven by plant backbone refreshes, machine-vision expansion, higher-capacity fiber rings and customers standardizing on one compact platform with scalable uplink options.

Availability remains quantity- and destination-dependent. Procurement teams should provide required quantity, ship-to country, delivery deadline, acceptable partial-shipment arrangement and the intended SFP modules. This allows the switch, optical interfaces and schedule to be reviewed as one supply package.

Buyer and Engineering Checklist

1. Match order number 942170010 and the complete BRS50-00122Q2Q product code.

2. Confirm the requirement is eight Gigabit RJ45 ports plus four SFP positions supporting up to 2.5G.

3. Verify that the remote switch and selected SFPs support the intended 100M, 1G or 2.5G rate.

4. Specify fiber mode, wavelength, connector, distance and optical link budget.

5. Confirm that 0°C to +60°C suits the cabinet; choose EEC where required.

6. Validate power, space, redundancy, timing and cybersecurity requirements.

7. Provide quantity, destination and deadline for live availability confirmation.

Frequently Asked Questions

What is Hirschmann 942170010?

It is the order number for BRS50-8TX/4SFP, product code BRS50-00122Q2Q-STCY99HHSESXX.X.XX: a managed BOBCAT switch with eight Gigabit RJ45 ports and four 100/1000/2500 Mbit/s SFP positions.

Does BRS50-8TX/4SFP automatically run every SFP at 2.5G?

No. The selected SFP module and the device at the far end must support a compatible rate and optical specification. The actual link speed depends on the complete connection.

How is BRS50-8TX/4SFP different from BRS40-8TX/4SFP?

BRS50 extends the four SFP positions to 2.5 Gigabit capability. The comparable BRS40 configuration supports 100/1000 Mbit/s optical links.

Can BRS50-8TX/4SFP be used in a redundant fiber ring?

Yes, it supports industrial redundancy functions suitable for designed ring and redundant-link topologies. Protocol configuration, SFP compatibility and physically separate failure paths must be validated for the project.

Is BRS50-8TX/4SFP 942170010 currently hot-selling?

Yes. This configuration and the related BOBCAT models listed above are currently hot-selling and supported for quotation, technical-document and delivery enquiries.

Request Availability, SFP Selection Support or a Quotation

For BRS50-8TX/4SFP 942170010 stock confirmation, bulk pricing, official technical documents or configuration review, contact:

Email: becky@hkxytech.com
Mobile / WhatsApp / WeChat: +86 15972186287

Related resource: Hirschmann industrial networking products.

Technical references: Core specifications were checked against Belden's official BRS50-8TX/4SFP data sheet and BOBCAT documentation. SFP compatibility, link speed, optical budget, firmware, approvals, configuration and delivery suitability must be confirmed for the destination project.