Dostawa przełączników typ 1, typ 2 oraz typ 3 wraz z udzieleniem 36 miesięcznej gwarancji

Question: What is the contract timeline?

Context: Contract start date, end date, total duration, and any key milestones or phases mentioned. Return null if not stated.

The contract timeline includes the following elements:

• The agreement is concluded on the date of the last signature in Lublin. A specific contract start date is not explicitly stated.
• The Contractor is obligated to deliver the equipment in partial deliveries to the specified locations within a period not exceeding a certain number of calendar days from the date of conclusion of the Agreement; however, the exact number of days is not specified.
• A 36-month warranty is provided for the delivered equipment.

Other related dates mentioned pertain to the tender process:

• The deadline for submitting offers is 21/09/2026 10:00:00 (UTC+02:00).
• The public opening of offers is scheduled for 21/09/2026 10:30:00 (UTC+02:00).
• The offer must remain valid for 90 days.

The explicit contract end date and total duration for the entire contract are not stated in the provided documents.

• Switches for the existing infrastructure are C9200.
• Offered network switches (type 1, 2, and 3), including their software, must be from the same manufacturer as the existing C9200 infrastructure.
• Advanced or qualified electronic signature or electronic seal (as defined in EU Regulation No 910/2014) is required.
• Offers must be submitted via the e-Zamówienia Platform (https://ezamowienia.gov.pl) using its electronic communication means.
• For desktop access to the platform, one of the following browsers is required: Chrome 66.0 or newer, Firefox 59.0 or newer, Safari 11.1 or newer, or Edge 14.0 and newer.
• For tablet/phone access, minimum specifications include 4 processor cores, 2GB RAM, Android 6.0 Marshmallow, iOS 10.3, and Chrome 61 or newer browser.
• Browsers used for the platform must have SSL protocol, Java Script, and cookies enabled.
• Connection specification for forms uses the TLS 1.2 protocol.
• Data format and encoding for forms are HTML with UTF-8 encoding.
• All platform operations rely on server time, with data saved with second-level accuracy.
• Only forms provided on the e-Zamówienia Platform for communication and tendering must be used.
• The supplied network devices must function as a single integrated system, providing data transmission, high availability, redundancy, and consistent security and management features.
• Core and access switches must utilize uniform mechanisms for management, software updates, monitoring, diagnostics, and security.
• Full device compatibility and a shared management environment are mandatory.