With power and management set, cable your data interfaces.
Important: The 7250 IXR-X1 is fanless or uses front-to-back airflow (depending on PSU model). Always match the airflow direction of transceivers with the chassis airflow. nokia 7250 ixr x1 installation guide
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: With power and management set, cable your data interfaces
These instructions assume you have one of the following Nokia devices commonly referred to as 7250, iXR, or X1 (feature-phone era models). Steps are general for installing the SIM, memory card, battery, and basic software setup. Important: The 7250 IXR-X1 is fanless or uses
| Symptom | Likely Cause | Action | |---------|--------------|--------| | No power, PWR LED off | No input power, faulty PSU | Check PDU, swap PSU | | STAT LED solid red | Boot failure | Reboot; if persists, contact TAC | | Console no output | Wrong baud rate or cable | Verify 115200, try new cable | | Overheating alarm | Airflow blocked, fan failure | Check rack venting, replace fan tray |
The X1 requires two power supplies for redundancy (1+1), but will operate with one.