What is bridge priority setting in TM3 bus coupler

The Bridge Priority (Switch Priority) value decides which Switch can become Root Bridge (Root Switch). A Switch with lowest Bridge Priority (Switch Priority) value will become the Root Bridge (Root Switch).

The Bridge Priority parameter is a multiple of 4096 (range: 0 to 61440). In case of same value of Bridge Priority between the participants then the priority will be set according to the MAC address of the participants.

See the following website for more information about Bridge Priority/Bridge ID:
http://www.firewall.cx/networking-topics/protocols/spanning-tree-protocol/1054-spanning-tree-protocol-root-bridge-election.html
Here is the default value of the Bridge Priority of M262 when defined as Root:

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