The 7250 IXR-X1 supports redundant, hot-swappable power supplies and fan trays. Installing Power Supply Units (PSUs)
Clean the chassis grounding pad area. Apply a thin layer of anti-oxidant compound if operating in humid environments.
: Connect the chassis to the rack’s ground according to local electrical codes. 3. Power and Cabling The 7250 IXR-X1 supports redundant power configurations: Power Options : HV AC : 200V AC to 240V AC (50/60 Hz). DC : -48V DC to -60V DC.
Typical: 35°C – 45°C at idle.
Press on your terminal to display the SR OS login prompt.
Always connect the chassis to a verified earth ground before applying power.
Before you begin, verify your shipment includes: nokia 7250 ixr x1 installation guide
| Symptom | Probable Cause | Resolution | |--------|----------------|-------------| | No console output | Wrong baud rate or cable | Set to 115200, 8N1. Use correct RJ-45 pinout (Cisco-style). | | Power LED red | PSU failure or overcurrent | Check AC voltage. Swap PSU to known good slot. | | Fans at 100% speed | One fan missing or failed | Re-seat all four fan modules. Check airflow direction. | | Interface down with optic | Unsupported transceiver | Run show system transceiver to verify Nokia qualification. | | Unable to commit config | Syntax error in CLI | Run info from config mode to see pending changes. |
Attach the grounding lug to the chassis and connect the other end to the rack ground or facility grounding point. 4.3. Installing Power Supplies (PSU)
system hostname RTR1-DC-Spine dns server 8.8.8.8 : Connect the chassis to the rack’s ground
+-------------------------------------------------------------+ | [ Power Supply 1 ] [ Power Supply 2 ] [ Fan Tray 1 ] | | [ AC / DC ] [ AC / DC ] [ Hot-Swappable] | +-------------------------------------------------------------+ Installing Fan Trays
The unit is designed for standard 19-inch racks and occupies 1RU (4.5 cm) of vertical space.