etsysOidPhyMGBICxBX40xU 1.3.6.1.4.1.5624.2.2.502

Enterasys MGBIC-BX10-D, a 1000BASE-BX40 Upstream Single Fiber SM, Bidirectional, 1310nm Tx / 1490nm Rx, 40 km, Simplex LC SFP. This part must be paired with MGBIC-BX40-D.