EXFO America Inc. FTB-8510B-2-XX Dual port Packet Blazer Test Module2x 10/100/1000 Mb Ethernet port2x Gigabit-Ethernet portIncludes:- 10/100 Ethernet & Gigabit-Ethernet Wire-speed Analysis (BERT & RFC 2544)MUST order two(2) FTB-859x SFP for optical Gigabit-E. on a sep