Adtran 1186006L2 Flow Thru Fan for MX2820 23in. Chassis

The ADTRAN 23-Inch Flow Through Fan Module (Fan Module) is a single 1U housing that incorporates an air filter circuit boards and four fans to provide forced air ventilation for 23-inch rack-mounted equipment such as the Total Access 1500 or 3000 chassis. The Fan Module is mounted below the equipment to be cooled. The Fan Module has the following features: Occupies one rack mounting space in a 23-inch rack and includes all of the necessary mounting brackets and hardware Accommodates an A and B power input (with returns) at either 24 VDC or -48 VDC Should be powered from the rack fuse and alarm panel Provides a single set of alarm contacts Provides front panel LEDs to indicate fan status Allows fan and filter replacement from the front without rewiring or removing the assembly from the rack