Upgrading from 2001 Raytheon

[Helmling]

Actually purchased and began installation of the following:
A127 Multifunction Display Package / Lighthouse charts E70236-LNC
B60 (20 degree) - Sonar Transducer Through-Hull E66087
i50 Depth Instrument Display E70059
RMK-9 Multifunction Display Remote Control A80217
RD418HD 4kW HD Digital Radome T70168
Ray70 Fixed Mount VHF Radio with GPS and AIS E70251
Hailing Horn M95435
GA150 GPS Receiver A80288
SeaTalkng Starter Kit T70134
Radar to 'RayNet & Power' cable 5M long A80227
I would like to verify wiring sequence as detailed here:
Five Way Connector Bar A06064 from SeaTalkng Starter Kit T70134
Install Blue Terminator End Caps in Five Way Connector Bar in Positions 1 and 5
A127 Multifunction Display Package / Lighthouse charts E70236-LNC
Connect B60 Transducer
Connect SeaTalkng white connection to Five Way Connector Bar Position 2
Connect Radome to Network 1 with Raynet cable
Connect RMK 9 to Network 2 with Raynet cable
Connect A127 power cable to circuit breaker
Connect GA150 GPS Receiver
Ray70 Fixed Mount VHF Radio with GPS and AIS E70251
Connect SeaTalkng white connection to Five Way Connector Bar Position 3
Connect Hailing Horn M95435
Connect Ray70 power cable to circuit breaker
i50 Depth Instrument Display E70059
Connect SeaTalkng white connection to Five Way Connector Bar Position 4
RD418HD 4kW HD Digital Radome T70168
Install Raynet cable to A127 Network 1 position
Install power cable to circuit breaker with fuse
RMK-9 Multifunction Display Remote Control A80217
Install Raynet cable to A127 Network 2 position
Install power cable to circuit breaker with fuse
B60 (20 degree) - Sonar Transducer Through-Hull E66087
Connect B60 transducer cable to A127
GA150 GPS Receiver A80288
Connect GA150 GPS Receiver to A127
Does the i50 require separate power?
Are the other components powered correctly?
Thanks for your time and comments, Jeff Helmling