https://opticalsolutions.com.au/product/1-25gb-20klm-1490t-1310r-sm-standard-code/
1.25Gb 20klm 1490T/1310R SM (Standard Code)
Mar 27, 2026 - Layer 1 Transceivers are a high performance, cost effective module that have single LC optics interface. Compatible w/ Small Form Factor Pluggable (MSA) | OSA
smstandardcode