A number of customers have asked for non-rackable fronts for the RB-HD1, RB-HD2, RB-ADDA, RB-UL4, RB-BL4 and RB-LU4. The RB-FR1 is front panel, no 19†mount, for RB-ADDA, RB-UL4, RB-BL4 & RB-LU4.
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