Guide — Nokia 7250 Ixr X1 Installation

Now that everything is physically connected, it’s time to bring the router to life.

When the router boots for the first time, it will enter the Bootstrap Configuration dialog (SR OS 22.x and later). If not, proceed with: nokia 7250 ixr x1 installation guide

| Problem | Likely Cause | Solution | |---------|--------------|----------| | No console output | Wrong baud rate | Set terminal to 115200 | | PSU LED amber | Overcurrent or voltage out of range | Check AC/DC input, replace PSU | | Ports down | Optical power low or polarity reversed | Swap fiber pairs, check DOM show optics | | Overheat alarm | Fan tray mismatch or blocked airflow | Verify all fans F2B (or B2F) and clear intake | | Cannot commit config | Syntax error or candidate not locked | Use show configuration candidate | | SSH refused | No AAA or key config | Generate host key: system security ssh host-key generate | Now that everything is physically connected, it’s time

Proper grounding prevents EMI issues and equipment damage. Proper grounding prevents EMI issues and equipment damage

Turn on both PSU circuit breakers or plug in both AC cords.