The GPON OLT Stick is a revolutionary solution designed to simplify the deployment of a Passive Optical LAN (POL) network. This compact module transforms a standard switch's SFP port into a powerful GPON OLT, eliminating the need for bulky, expensive, and complex dedicated OLT. This entry describes the various possible combinations and necessary properties of devices, cables, etc. that are used for an optical PROFINET connection in hazardous areas, in particular to an ET200iSP station or similarly suitable peripheral stations in explosion protection zones 1 or 21. There are no specific requirements for this document. This document is not restricted to specific software and hardware versions. The primary use of these modules is for fast data transmission over fiber optic cables, which is made possible by the GPON standard, which can handle up. Pluggable optical transceivers are compact, hot-swappable network interface modules that serve as the critical bridge between electronic and optical domains in modern networks. These standardized devices convert electrical signals from network equipment (switches, routers, servers) into optical. The Small Form Factor Pluggable module, commonly called the GPON SFP, which refers to a Gigabit Passive Optical Network SFP implementation, is very important for present-day optical networks because it provides a faster means of transmitting data cost-efficiently and reliably. What is a GPON SFP. Notifier SF-SMS55WD020D-GP Single Mode Fibre Optic Plug-in Module SFP, WDM 1.