Data Transmission Network (DTN) HS2
Reference ocds-b5fd17-de55b6fb-d7b1-4fe1-8984-7010e2a87c8b · Siemens Mobility Ltd
Closed. Submission deadline: 7 September 2026. Estimated value: £10,000,000.
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Amounts and figures
Description
The HS2 Data Transmission Network (DTN) will provide network transport services and specific central service functions necessary for the reliable operation of trains on HS2. The DTN shall fulfil the following high-level requirements: • Provision of a Critical network for safety-related connected sub-systems: DTN-Critical • Provision of a Protected network (DTN-P), distinct from the critical DTN network, connecting non-safety-related subsystems. • Provision of a secure, geo-redundant external interface via a De-Militarized Zone (DMZ). DTN acts as the aggregator for internet and cloud connectivity from its DMZ. The DTN DMZ also acts as the interface to Network Rail to connect HS2 rail systems to Conventional Rail services hosted in Network Rail's telecoms network. • Provision of the DMZ, including central compute and servers, protected by internal and external security perimeters. • Provision of a Master Clock System, providing accurate clocking internally and to connected subsystems with Precision Time Protocol (PTP) with boundary clock functionality, Synchronous Ethernet (SyncE), and Network Time Protocol (NTP). • Provisio…
Official publications
| Medium | Reference | Date |
|---|---|---|
| FTS | 16926aa2-bb03-4ff3-ba8f-75d82d69ca36-911907 | 25 August 2026 |
| Contracts Finder | 16926aa2-bb03-4ff3-ba8f-75d82d69ca36-911907 | 25 August 2026 |
Other tenders from Siemens Mobility Ltd
See the buyer →- The Operational Telephone System for HS2 Published: 5 August 2026
- Radio Frequency Planning Tool for HS2 HRS20 Published: 1 April 2026
- HS2 Occupational Hygienist Published: 4 March 2026
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Frequently asked questions
- What is the deadline to bid for this tender?
- The submission deadline is 7 September 2026, 17:00. Check the official source, as dates can be modified.
- What is the estimated value of this tender?
- The estimated value published by the buyer is £10,000,000.
- Who is the buyer of this tender?
- The contracting authority is Siemens Mobility Ltd (United Kingdom).
- How can I bid for public tenders in the United Kingdom?
- Bids are submitted through the official public procurement portal in the United Kingdom. El Vínculo helps you find tenders and analyse their documents; submission always happens at the official source.
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