startup.lua

rednet.open("top")

while true do
    id,message = rednet.receive()

    if
        message==("EMCSTART")
    then
        redstone.setOutput("bottom",true)
        os.sleep(1)
        redstone.setOutput("bottom",false)
        rednet.send(8,"conf")
    elseif message=="EMCPING" then
        rednet.send(8,"conf")
    else
        print(id.." | "..message)
    end
end