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[Music]  hi Jeff Cote with Pacific yacht systems  what we're going to talk about next is  enemy 2000 and what about in May 2000  how do you go installing an enemy 2000  backbone or network on your boat as  you're buying marine equipment you'll  find that a lot of manufacturers are  including these little devices these  tees or these cables what are called  drop cables or backbone cables within  their equipment and you're supposed to  figure a way how to aim to connect all  this equipment so that you can be  transmitting enemy a 2000 data across  your many different types of  manufacturers equipment so when you're  actually tackling this project the first  thing that I always recommend is you  want to draw this out don't go about  building your enemy 2000 Network simply  from your mind and just tackle it  because what's gonna happen is you're  probably gonna start creating these  loops these branches and it's not going  to go as well as you'd like so the best  thing is think about all the different  devices that need to be on your enemy  2000 Network and probably draw them out  at the bottom of a page okay take a  landscape an eight-and-a-half by 11  sheet of paper put all your devices at  the bottom and then now that you've got  all your devices and put them kind of  order them in the sequence that you  would go maybe from fore to aft or  whatever you want to think about but put  them all on the bottom and then what  you're gonna start drawing is these  little devices are gonna be the t's  here's what's the trick the distance  between a device and a T can be only  about 18 feet or six meters so you've  got to make sure that your backbone  snaked throughout the boat so that any  device is only a maximum of 18 or 6  meters from this T now it's not that  much of a challenge when you've got  maybe a greedy white 28 feet and you  start running a cable maybe from the  transom at the aft of the boat inside  the boat maybe up the console up to the  radar tower pretty straightforward where  you might have a GPS antenna but as  you're the boats get larger and larger  you've got to start being creative about  where's that backbone cable going to be  snaking through my boat and so that I  can have only 6 meters or 18 feet of  distance  between the backbone cable and an  endpoint so that's one thing to think  about also what I always recommend is  don't build your network just for today  think about the future right when we're  actually routing a cable from the engine  room and we're maybe going through the  salon and a boat and going directly to a  fly bridge let's say for example on a  Meridian 490 I'm actually going to  install a cable and I'm gonna have two  different cable lengths and I'm gonna  actually create I'm gonna prepare for a  splice meaning I'm gonna have a place  where I'm potentially anticipating one  day at the lower helm maybe to actually  have another t be interconnected to so  when you're actually doing in to me in  two thousand don't just do what you  think you need today but look forward  think about what else you might be  putting on your boat because that's the  beauty of enemy 2000 is that you can  interconnect multitudes of devices on  this backbone right and so you don't  have to run cables from all these  different end points back to a single  point it's not hub-and-spoke it's a bus  topology and that's really nice the only  thing to is as you add more and more  network you're gonna have to think about  where do you power that ME 2000 backbone  this is a cable generally on average and  there's all these different rules but on  average you want to power your backbone  in the middle of the backbone and so  that the loads are evenly distributed on  both fore and aft left and right of your  backbone you're going to want to make  sure as well that you've got terminators  and this is where writing it down and  putting a plan is really important you  need a male terminator on one end of the  backbone and a female terminator and the  other the mend of the backbone don't  have more than two your networks not  going to be reliable only two  terminators at the end of the backbone  and the other thing to to think about is  when you're running your cables between  A's and B's on your boat and I can  remember the first time I installed any  me a 2000 Network in about 2007 2008 I  made this error so learn from my  mistakes there's a male and a female end  so you've got a run when you run a cable  from aft the front of your boat always  run one cable orientation at a time  because if you run male female and then  you run male female  you're gonna be inverted and you're not  going to have the right joint in between  the two cables and you're gonna have to  rerun that cable again so remember the  cables actually have both a male end and  a female end so those are sort of things  that you're thinking about when you're  building enemy 2000 at work if you've  got further questions or you're thinking  about tackling this project reach out to  us at Pacific yacht systems thanks for  watching