FTSFP-1G53-BX20
Cisco GLC-BX-20D Compatible 1000BASE-BX-D SFP BiDi 1550nm-TX/1310nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module
Cisco GLC-BX-20D Compatible 1000BASE-BX-D SFP BiDi 1550nm-TX/1310nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module