Here is a Raymarine Raytheon W144 Power Data Cable 

For: RL70C SL72 RL70 RL80C L760 RC 

Length - 90cm

Straight  PLUG

FREE P&P - UK only

Condition:

it in GOOD  Condition.

PLEASE LOOK AT THE PICTURES CAREFULLY

THANKS

Note: Do have other charts ,spare parts, cables etc for various Raymarine units - please get in contact !!!