Design and build your own custom rack panel using simple pre-fabricated sub-panels. L-com's Universal Sub-Panel system offers you an easy way to configure a customized rack panels with various couplers. These steel sub-panels feature either one duplex LC fiber coupler or dual quad Multimode or Single mode LC couplers and are available in a black finish. Supplied with four 6-32 screws for quick installation into L-com's universal frame UPR35-6B. Pick and choose the connections you need. Same day shipping on most items; Order online today!