What is csfp transceiver?

China Optical Fiber Transceiver 1000BASE ZX 80KM SFP Module Fabricantes e Fábrica - Produtos por atacado - SKY Optics

CSFP-1G-2BX-D-I-C MSA Compliant Compatible Transceiver - Prolabs

What is the difference between dB and dBm ?

2-Channel 1000BASE-BX-D BiDi CSFP 1490nm-TX/1310nm-RX 10km DOM LC SMF – OpticsWave

AIR-CT2504-50-K9-1-800x600.jpg

CSFP at competitive pricing & highly compatible

1.25G-cSFP-21-AD: Compact-Size cSFP module supporting 2 x 1.25G

Compact SFP C-SFP Dual Channel technical and data sheet

AXSK-CSFP-COP-C A10 Networks® Compatible Transceiver - Prolabs

What is DWDM