Adtran olts sdx onts adds defined additions Adtran adds olts, onts, switch to sdx line for software-defined access
ADTRAN adds OLTs, ONTs, switch to SDX line for software-defined access
![ADTRAN adds OLTs, ONTs, switch to SDX line for software-defined access](https://i2.wp.com/img.lightwaveonline.com/files/base/ebm/lw/image/2020/06/ADTRAN_SDX6000s_virtualOLTs__1__for_6.3.5ed9424e9d5f1.png?auto=format&dpr=2&w=720)
ADTRAN adds OLTs, ONTs, switch to SDX line for software-defined access