Overview Product Description 15-09B515D01AA - Excalibur Dap Multi-Rate 232/V.35 + ISDN DBU (Refurbished) 90 Day Warranty Product Videos Custom Field Product Reviews Write a Review Write a Review × Racal 15-09B515D01AA Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *