https://community.extremenetworks.com/t5/extremeswitching-exos-switch/shared-ports-21-24-440t-x2-g2/m-p/28185#M4288 if the port is disabled then you need to enable the port.<BR /> You need to insert supported transceiver.<BR /> <BR /> the port will go up if there is link established with device on the other end. Sat, 27 Oct 2018 18:29:00 GMT Zdeněk_Pala 2018-10-27T18:29:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/shared-ports-21-24-440t-x2-g2/m-p/28184#M4287 HOW TO TURN ON THE OPTICAL PORTS 21-24, OR AT LEAST ONE OF THE 440T-X2-G2. The firmware version is 22.1.5.7. Please help<BR /> Sat, 27 Oct 2018 17:01:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/shared-ports-21-24-440t-x2-g2/m-p/28184#M4287 Alexey_shaverne 2018-10-27T17:01:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/shared-ports-21-24-440t-x2-g2/m-p/28185#M4288 if the port is disabled then you need to enable the port.<BR /> You need to insert supported transceiver.<BR /> <BR /> the port will go up if there is link established with device on the other end. Sat, 27 Oct 2018 18:29:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/shared-ports-21-24-440t-x2-g2/m-p/28185#M4288 Zdeněk_Pala 2018-10-27T18:29:00Z