Cisco GLC-BX-D. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1000 Mbit/s, Maximum transfer distance: 393700.8" (10000 m). Product color: Stainless steel, Safety: Laser Class I 21CFR1040 LN#50 7/2001, Laser Class I IEC 60825-1. Power consumption (typical): 1.5 W. Width: 0.528" (13.4 mm), Depth: 2.22" (56.5 mm), Height: 0.335" (8.5 mm)