{
    "id": "16926aa2-bb03-4ff3-ba8f-75d82d69ca36",
    "notice": {
        "id": "16926aa2-bb03-4ff3-ba8f-75d82d69ca36",
        "parentId": null,
        "parentIdentifier": "",
        "linkReason": "",
        "version": 1,
        "contactDetails": {
            "name": "Ewelina Simpson",
            "email": "ewelina.simpson@siemens.com",
            "address1": "The Lantern 75 Hampstead Road",
            "address2": "",
            "town": "London",
            "postcode": "NW12PL",
            "country": "UK",
            "phone": "07808002129",
            "webAddress": ""
        },
        "identifier": "C4N117953051",
        "title": "Data Transmission Network (DTN) HS2",
        "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. \r\n      \r\n      The DTN shall fulfil the following high-level requirements:\r\n      •\tProvision of a Critical network for safety-related connected sub-systems: DTN-Critical\r\n      •\tProvision of a Protected network (DTN-P), distinct from the critical DTN network, connecting non-safety-related subsystems.\r\n      •\tProvision 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.\r\n      •\tProvision of the DMZ, including central compute and servers, protected by internal and external security perimeters.\r\n      •\tProvision 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).\r\n      •\tProvision of other services include: DHCP, DNS, AAA authentication, Network Management System (NMS) for supplied operational systems.\r\n      •\tProvision of optical and electrical SFP (where required) to facilitate the above inter-connectivity.",
        "cpvDescription": "Telecommunications network",
        "publishedDate": "2026-08-25T08:40:04+01:00",
        "approachMarketDate": "",
        "deadlineDate": "2026-09-07T17:00:00+01:00",
        "valueLow": 5000000,
        "valueHigh": 10000000,
        "postcode": "",
        "region": "Any region",
        "nationwide": false,
        "location": {
            "lat": 0,
            "lon": 0
        },
        "start": "2027-04-05T00:00:00+01:00",
        "end": "2033-04-01T00:00:00+01:00",
        "type": "Contract",
        "cpvCodes": [
            "32412100"
        ],
        "spendProfile": null,
        "status": "Closed",
        "isSuitableForSme": true,
        "isSuitableForVco": false,
        "supplyChain": false,
        "lastNotifiableUpdate": "2026-08-25T08:40:04+01:00",
        "organisationName": "Siemens Mobility Ltd",
        "sector": "",
        "procedureType": null,
        "procedureTypeOther": "",
        "procedureAcceleratedJustification": "",
        "ojeuContractType": "Products",
        "isFrameworkAgreement": false,
        "isExtensionPossible": false,
        "annexDOption": null,
        "reasonContractLawful": null
    },
    "createdByUser": "sean.groundwater@bipsolutions.com",
    "createdDate": "2026-08-25T08:40:04+01:00",
    "lastUpdatedbyUser": "sean.groundwater@bipsolutions.com",
    "lastUpdatedDate": "2026-08-25T08:40:04+01:00",
    "awards": [],
    "isPublished": true,
    "isPreAwarded": false,
    "organisation": {
        "name": "Siemens Mobility Ltd"
    },
    "additionalDetails": [
        {
            "id": "16926aa2-bb03-4ff3-ba8f-75d82d69ca36",
            "noticeId": "16926aa2-bb03-4ff3-ba8f-75d82d69ca36",
            "description": "Additional Text",
            "dataType": "AdditionalText",
            "textData": "",
            "mimeType": null,
            "awardGuid": null
        },
        {
            "id": "81f92bf7-469b-427d-8129-0fb6bcb1ad6c",
            "noticeId": "16926aa2-bb03-4ff3-ba8f-75d82d69ca36",
            "description": "Please follow this link to view the notice.",
            "dataType": "Link",
            "link": "https://www.competefor.co.uk/business/viewOpportunityDetailsSupplier.html?id=117953053",
            "mimeType": null,
            "awardGuid": null
        }
    ],
    "withdrawnDate": "",
    "withdrawnReason": "",
    "withdrawnByUser": null,
    "cpvCodes": [
        {
            "code": "32412100",
            "description": "Telecommunications network",
            "parentCode": "32412000",
            "hasChildren": false
        }
    ],
    "publishedVersion": [
        {
            "changedByUser": "sean.groundwater@bipsolutions.com",
            "dateChanged": "2026-08-25T08:40:04+01:00",
            "id": "955035",
            "noticeStatus": "Open",
            "noticeType": "Contract",
            "publishedNoticeId": "16926aa2-bb03-4ff3-ba8f-75d82d69ca36",
            "versionNumber": 1,
            "visibleToPublic": false
        }
    ],
    "numberOfViews": "461"
}