3/4U PRIME FSU is a pure splice unit. The basic fiber inlay is suitable for 24/48 HS splice protectors. Up to three additional MCM splice cassettes with 24/48 HS each can be retrofitted. The fiber feed is from the left side and up to 8x5mm transport tubes with a tool-less connection. Suitable for PRIME-3U rack ETSI and 19 "rack with rear mounting Max capacity: 96/192 fiber optic terminations