Plusoptic GLC-LH-SM-PO Cisco Compatible 1000BASE-LX/LH SFP 1310nm 10km Transceiver Module *used* Price$25 Price checked today at PC LAN
Plusoptic GLC-ZX-SM-PO SFP Cisco Compatible 1000Base-ZX 1550nm 80KM Transceiver *used* Price$23 Price checked today at PC LAN