Paradyne Fan Tray 8820-S2-900 user manual

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Replacement Fan Tray Assembly for the
8820 Broadband Access Concentrator
Model 8820-S2-900
Installation Instructions
Document Number 8820-A2-GZ44-10
June 2004
What is the Fan Tray Assembly?
The fan tray assembly is a dedicated cooling device installed in the chassis of the
8820 Broadband Access Concentrator (BAC) to provide forced-air cooling of the
chassis. The fans, located at the top of the BAC chassis, draw cooling air
upwards from the bottom of the chassis, through the circuit cards or card

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PULL AREA PULL AREA CAUTION! CAUTION! DO NOT PLACE FINGERS DO NOT PLACE FINGERS UNDER THE FAN TRAY UNDER THE FAN TRAY USE THE DESIGNATED USE THE DESIGNATED PULL AREAS PULL AREAS POWER ALARMS A B Fan Major Minor CLOCK SERIAL AC LAN/WAN SLOT A MCC ALARM 2 4 6 8 A 10 12 14 16 18 B SERIAL ALARM 1 35 7 9 B 11 13 15 17 CLOCK SMCM POWER ENTRY MODULE POWER ENTRY MODULE LEFT UNIT: LINE A LEFT UNIT: LINE A RIGHT UNIT: LINE B RIGHT UNIT: LINE B WARNING! POWER MUST BE DISCONNECTED AT THE SOURCE WARNING! PO

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CAUTION! PULL DO NOT PLACE FINGERS AREA PULL CAUTION! UNDER THE FAN TRAY AREA DO NOT PLACE FINGERS USE THE DESIGNATED UNDER THE FAN TRAY PULL AREAS USE THE DESIGNATED PULL AREAS ! ATTENTION: UN RISQUE MÉCANIQUE EXISTE EN RAISON DE LA ROTATION DES PALES DU VENTILATEUR. GARDER LES MAINS ET LES DOIGTS LOIN DES PALES DU VENTILATEUR PENDANT LE DEMONTAGE DU CACHE DU VENTILATEUR. UTILISER UNIQUEMENT LES ZONES INDIQUÉES DE TRACTION POUR DÉMONTER LE CACHE DU VENTILATEUR. ! VORSICHT: VERLETZUNGSGEFAHR AUF

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PULL PULL CAUTION! AREA DO NOT PLACE FINGERS AREA UNDER THE FAN TRAY USE THE DESIGNATED PULL AREAS Installing a Replacement Fan Tray Assembly You will need a Phillips screwdriver to install a replacement fan tray.
Procedure To install a replacement fan tray: 1. Hold the replacement fan tray horizontally and guide its tabs into the two card guides located inside the right and left side plates. 00-16795 ! WARNING: If the chassis is powered on, once the fan tray’s connector is seated in the backp

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5. Replace the fan cover plate, aligning the five holes at the bottom with the five status LEDs. 6. Replace and tighten the three screws removed earlier to secure the fan cover plate to the chassis. Warranty, Sales, Service, and Training Information Contact your local sales representative, service representative, or distributor directly for any help needed. For additional information concerning warranty, sales, service, repair, installation, documentation, training, distributor locations, or Par

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*8820–A2–GZ44–10*