Paradyne - 8820-S3-900

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Contents

PARADYNE Replacement Fan Tray Assembly for the 8820 Broadband Loop Carrier Model 8820 S3 900 Installation Instructions Document Number 8820 A2 GZ48 00 January 2005 Fan Tray Assembly The fan tray assembly is a dedicated cooling device installed in the chassis of the 8820 Broadband Loop Carrier BLC to provide forced air cooling of the chassis The fans located at the top of the BLC chassis draw cooling air upwards from the bottom of the chassis through the circuit cards or card cage forcing the air out the opening located at the top rear of the chassis The fan tray assembly consists of six fans a metal bracket and a printed wiring board PWB with a press fit connector and five status LEDs Each fan provides a sense wire that indicates the status of the ...