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B Link

B Link

A' B' (Bridge) link is a SL (Signalling Link) that connects an STP (Signalling Transfer Point) to another STP. Typically a quad of 'B' links interconnect peer (or primary) STPs (e.g. the STPs from one network to the STPs of another network). The distinction between a 'B' link and a 'D' link is rather arbitrary. For this reason such links may be referred to as 'B/D' links.

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