For networking only two devices, choose the SeaTalk hs crossover coupler.  Engineered for the marine environment, the SeaTalk hs Crossover coupler provides a secure connection between any 2 SeaTalk hs devices. This device is commonly fitted on networks consisting of a single E-Series display with DSM300, or 2 E-Series displays with no DSM300. For networks with 3 to 8 devices, please choose the SeaTalk hs Network Switch.

WARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate, DnHP, which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.