LC/UPC Singlemode Fixed Fiber Optic Attenuator, Male-Female, 10dB US$ 3.20
Cisco SFP-10G-ER40 Compatible, 10GBASE-ER SFP+ 1310nm 40km DOM LC SMF Transceiver Module US$ 39.00
S5850-32S2Q, 32-Port Ethernet L3 Fully Managed Plus Switch, 32 x 10Gb SFP+, with 2 x 40Gb QSFP+ Uplinks US$ 2,659.00
1m (3ft) LC UPC to LC UPC Duplex OS2 Single Mode PVC (OFNR) 2.0mm Fiber Optic Patch Cable US$ 4.30
Application of attenuator for long-distance connection.