Alternate color or configuration shownBlack Box SM978A peripheral controllerBlack Box SM978A. Controller interface type: RJ-45Manufacturer: Black Box SKU: 2893396Manufacturer part number: SM978A $255.69 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendProvides A/B switching between RJ-45 terminated CAT5 circuits. Plugs into the Pro Switching System Plus to provide A/B switching between RJ-45 terminated CAT5 circuits.OverviewSpecificationsContact UsProvides A/B switching between RJ-45 terminated CAT5 circuits. Plugs into the Pro Switching System Plus to provide A/B switching between RJ-45 terminated CAT5 circuits.Products specificationsAttribute nameAttribute valuePackaging dataPackage weight10.5 ozPorts & interfacesController interface typeRJ-45Other featuresPackage dimensions (WxDxH)8.25 x 9.2 x 3"