a) A interconnecting ribbon cable, for use between modules
b) 2 x Interconnecting clips, for use when modules are installed side-by-side
c) 2 x Bus termination end-of-line units
d) 7 x Pluggable connectors, for use with the various connections on the ModuLaser backplane
e) 2 x End-of-line resistors, for line monitor on the inputs of the ModuLaser