Ericsson Rojr 219 011/1 (fau2) Fan Module

Ericsson ROJR 219 011/1 (FAU2) Fan Module Technical Specifications

• Manufacturer/Brand: Ericsson

• Model/Device Code: ROJR 219 011/1 R1E (Fan Unit 2 / FAU2)

• Compatible Systems: Ericsson MINI-LINK Traffic Node, Marconi 1400/1410 microwave radio transmission and base station infrastructure

• Fan Structure: The module features 2 high-speed DC axial fans mounted side by side.

• Operating Voltage: The industrial telecommunications standard is 48V DC (The circuit elements on the module regulate the voltage).

• Connection and Interface: The subrack fits directly to the back of the chassis via a multi-pin industrial slot connector.

• Speed and Fault Monitoring: The built-in control circuit communicates with the system processor. When one of the fans fails or the circuit drops, the "Fault" alarm on the front panel or in the system interface is triggered.

• Installation Feature: It has a live-removable-installable (hot-swap) architecture, which can be easily replaced without causing disruption while the system is running.

• Front Panel Components: Green mandrel release locks are located on the right and left corners for easy removal.

• Fan Manufacturer: ebm-papst St. Georgen (Germany)

• Fan Model Code: 3312/37 (Custom manufacturing series)

• Operating Voltage: 12V DC (The module card lowers the -48V input to 12V for these fans)

• Voltage Tolerance Range: 7 VDC – 15 VDC

• Current Value: 198 mA (0.198 ampere)

• Power Consumption: 2.4 watts (per fan)

• Dimensions (for a single fan): 92 mm x 92 mm x 32 mm

• Cable connection: 3-wire structure (including supply lines and speed/fault signal monitoring lines)

• Certifications: CE approval and VDE industrial standard compliance