This USB2 keystone coupler can be used as a link between e. g. a USB cables. With its standardised dimensions it can be used for easy snap-in mounting in a keystone patch panel, face plate or surface-mount box.. USB 2.0 keystone coupler (A type female connectors on the front and back) Backwards compatible with USB1.1 type Designed to fit industry standard keystone patch panels Available as part of our innovative new panel mount coupler (KCUAA2bk/whpm), designed for easy mounting on panels of virtually any thickness Also now offered as part of our D UNIVERSAL range (KCUAA2Dpm) designed to fit XLR cut-outs. .
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