ITC-5 question

I have a couple of questions on the ITC-5 install -
1) The ITC-5 is the terminal instrument on the Backbone - so I have the backbone connected to one of the blue connectors - I have a blue terminator in the other and a black terminator in the white -- is this correct?? or should I ditch the black terminator.

2) when connecting the DST 800 - can I connect the shield at only one point or do I need to split it and connect to both speed and depth areas ??

Thanks

Les