The method further includes detecting the connection of the first and second buses, and reconfiguring {HEAD ~ the first and second systems} to operate as {TAIL ~ the new system} in response to detecting the connection 
to operate as
The method further includes detecting the connection of the first and second buses , and reconfiguring { HEAD ~ the first and second systems } to operate as { TAIL ~ the new system } in response to detecting the connection
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH