The SCDX is hinged cover seals D-size chassis connectors from water, dust and dirt in unmated condition accorThis hinged cover seals D-size chassis connectors from water, dust and dirt in unmated condition according to IP42. It is available in different colors. SCDX – black (if used with opticalCON, black indicates multi-mode) SCDX-5 – green (if used with opticalCON, green indicates single-mode APC) SCDX-6 – blue (if used with opticalCON, blue indicates single-mode PC) SCDX-9 – white (e.g. walloutlet) Suitable for: XLR D Series female XLR D Series male 1/4" Jacks D Series speakON NL2M* and NL4M* powerCON 20 A Series NAC3MPA* and NAC3MPB* powerCON TRUE1 NAC3MPX USB NAUSB-W* HDMI NAHDMI-W* D-SUB NADB* Firewire NA1394-6-W* etherCON A&B Series etherCON D Series etherCON CAT6 Chassis Connectors BNC D Series Phono (RCA) Chassis Connectorsnectors