2U 4U Chassis FAN Card – 2U/4U DWDM Fan Tray
2U/4U chassis FAN Card for DWDM systems: real-time air outlet temperature monitoring, manual speed adjustment and N:1 fan backup for up to 96 hours.
Description
Overview
The 2U 4U Chassis FAN Card is the hot-swappable fan unit used in the 2U and 4U DWDM chassis. It occupies slots 56/57/58 of the subrack.
It collects the air outlet temperature in real time, allows manual speed adjustment and reports fan alarms, keeping the chassis cool and available.
2U 4U Chassis FAN Card Key Features
- Occupies slots 56/57/58 of the 2U/4U chassis
- Real-time collection of the air outlet temperature
- Manual speed adjustment according to different duty cycles
- Status indicator — solid green for proper operation, solid red for a fan malfunction
- Electronic tag read by the host over the I2C bus, recording production date, PN/SN and running time from power-on
- Alarm reporting for communication loss, fan failure, abnormal fan speed and single fan stall
- N:1 backup — the system continues to operate for up to 96 hours at normal temperature if one fan card fails
- Hot-swap support
2U 4U Chassis FAN Card Specifications
Technical Specifications
| Function | Description |
|---|---|
| Occupied Slots | 56/57/58 slot |
| Temperature Monitoring | It can collect the air outlet temperature in real time |
| Manual Speed Adjustment | It supports manual speed adjustment according to different duty cycles |
| Status Indicator | A solid green light indicates the fan is working properly, a solid red light indicates a fan malfunction |
| Electronic Tags | The host computer reads and loads the fan module electronic tag via the I2C bus; the tag records production date, PN/SN and running time, calculated from the start of operation after the card is powered on |
| Alarm Detection | Reporting of alarms for communication loss, fan failure, abnormal fan speed and single fan stall |
| Fan Redundancy | N:1 backup — even if one fan card fails the system continues to operate for up to 96 hours at normal temperature |
| Hot-swap | Support |
Deployment Scenarios
- Cooling the 2U and 4U DWDM chassis from slots 56/57/58
- Subracks that need outlet temperature monitoring with manual fan speed control
- Sites that require alarm reporting for communication loss, abnormal speed or a stalled fan
- Field replacement of a fan unit without interrupting traffic, thanks to hot-swap support
Packing & Shipping
Clients often worry about transit damage?
Our sturdy packaging puts those fears to rest. For different products we use waterproof film, foam protection, palletizing, wooden frame securing and cable reels. This ensures safe and reliable transport.
Packaging
Shipping
Payment
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We accept currencies like USD, RMB, EUR, RUB, and more.






