Alternate color or configuration shown Black Box SM978A peripheral controller Black Box SM978A. Controller interface type: RJ-45 Manufacturer: Black Box SKU: 2893396 Manufacturer part number: SM978A $255.69 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Provides 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. Overview Specifications Contact Us Provides 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 specifications Attribute name Attribute value Packaging data Package weight 10.5 oz Ports & interfaces Controller interface type RJ-45 Other features Package dimensions (WxDxH) 8.25 x 9.2 x 3"