This is the 3552nd most frequent Russian word.
связанным
"Связанным" means "connected" or "related."
The word 'связан' is used here to describe a relationship or connection to something, rendered in English as 'related'.
Этот вопрос связан с текущей задачей.
This question is related to the current task.
In this sentence, 'связанным' indicates a figurative binding or constraint imposed by obligations.
Он чувствовал себя связанным обязательствами.
He felt bound by obligations.
Here, 'связана' describes a tangible linking or connection between entities (a system and a server).