Tender For Optical Transport Network (Otn) Stromnetz Berlin Gmbh. Safe Operation Of The Critical Infrastructure Is Essential To Fulfilling The Supply Mandate, I.E. The Reliable Provision Of Power Supply Throughout The Entire Berlin City Area. A Basis For This Is The Reliable Communication Technology Networking Of The Currently Approx. 110 Locations, Which Is Currently Being Implemented Through The Use Of Sdh Technology On The Fiber Optic Routes. The Sdh Network Elements Used Play A Key Technical Role Here. They Enable The Aggregation Of Different Services In The Substations (Uw) And The Secure Transport Of These Services Via A Meshed Backbone Network To Their Respective Destination In The Network Of The Snb Voice And Data Traffic As Well As Telecontrol Services Are Processed Via The Sdh Network And The Snbs Own Fiber Optic Infrastructure And Low-Latency Point-To-Point Connections Are Switched Between The Uws For Protection Systems. For Reasons Of Redundancy, Two Sdh Network Elements That Are Physically Independent Of One Another Are Installed In The Snbs Substations And Are Connected To The Backbone Connected. The Systems Are Backed Up By Batteries In Order To Be Able To Guarantee Uninterrupted Communication Even In The Event Of A Lengthy Power Failure. This Shows That Special Attention Is Paid To Reliability And Redundancy Throughout The System. Overall, Sdh Technology Plays An Important Role In The Operation Of Critical Infrastructure Throughout The City And Ensures High Availability And Network Resilience. Support For The System Technology Used At The Snb Is Expected To Expire In The Next Few Years. It Is Therefore Necessary To Upgrade The Existing Sdh Network Elements And To Equip The Current Approx. 110 Locations With Modern, Future-Proof Transmission Technology. Because A Reliable Connection Of The Locations And Substations Ensure Effective Communication And Thus Contribute To The Security Of Electricity Supply In The Urban Area.
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