13 Products
Simrad displays use a proprietary waterproof ethernet connector that is physically different from a standard RJ45 plug, which means off-the-shelf ethernet cables do not connect directly to Simrad hardware without a Simrad ethernet adapter cable. The proprietary connector is designed for the marine environment - it provides a more secure, weather-resistant connection than a standard RJ45 jack, which is important in a setting where vibration, moisture, and physical movement are constant. For display-to-display and display-to-module connections within the Simrad network, you need genuine Simrad network cables or properly rated compatible alternatives. For laptop connections used for software updates or diagnostics, a Simrad ethernet adapter bridges between the Simrad connector and a standard RJ45 port on your computer.
The most reliable way to determine cable length is to physically route a piece of string or pull cord along the exact path the cable will follow in the finished installation - from the source connector, through any conduit, along the helm frame, and to the destination. Measure that string, then add at least 12 to 18 inches at each end for a service loop. The service loop is a loose coil of cable left at each connection point that provides slack for future service, prevents the cable from pulling tight against the connector under vibration, and gives you enough room to disconnect and reconnect without fighting a taut cable. A cable that is slightly too long is manageable - a cable that is six inches too short means an immediate re-order. If your run falls between available standard lengths, always size up rather than down, and use a Simrad ethernet extension cable if needed to bridge a gap.
These are two distinct cable types that serve entirely different functions within a Simrad installation. A Simrad transducer extension cable carries the sonar signal between a transducer and the display unit - it uses a specific connector matched to the transducer's output and cannot be substituted with a network cable. A Simrad ethernet extension cable extends the network connection between displays, radar antennas, sonar modules, and other ethernet-connected hardware. The two are not interchangeable, and using the wrong cable type will result in no signal or hardware damage in some cases. The Simrad Cruise transducer extension cable is a further specific variant designed for the Cruise series display line, which uses a different connector than GO and NSS series transducers. Confirming your display series and transducer model before ordering ensures you receive the correct extension cable for your setup.
Mixing generations of Simrad hardware on the same ethernet network is possible in many configurations but introduces connector compatibility considerations that are worth addressing before installation. Older NSS evo2 units use a different ethernet connector style than newer NSS evo3S displays, and connecting them on the same network may require a Simrad ethernet adapter cable to bridge the connector difference. In some cases, software compatibility between mixed-generation hardware can also limit which features work across the network - for example, StructureScan 3D data sharing between an older and a newer display may not function at full capability. If you are expanding an existing Simrad network by adding a new display or module, checking the Simrad compatibility matrix for your specific hardware combination before purchasing cables and adapters saves time and prevents the frustration of components that connect physically but do not communicate as expected.
