LOWRANCE LOW-000-0127-51 / 6039; Ethernet cable, ETHEXT-6YL, MFG# 000-0127-51, with 5 pin yellow connectors for use with Navico systems and NEP-1 or NEP-2 expansion port. : Amazon.sg: Electronics
making a lowrance / simrad Ethernet cable - The Hull Truth - Boating and Fishing Forum