Carrier Access BROADway System 770-0125-AB - Manual (Page 48)

2-32 BROADway - Release 4.00
Installation
Maintaining BROADway Hardware
To Replace a BCP155, OSP155, or ESP155 Card
1. Remove the cable of the card from the grommet so that you can easily slide the card out.
2. Remove the card by opening the ejector and sliding out the card.
3. Detach the cable from the card.
4. Reattach the cable to the new card.
5. Insert the new card as described in Installing OSP155/ESP155/BCP155 Line Interface
Cards on page 2-24.
DANGER! D O NOT UNPLUG THE FIBER OPTIC CABLES TO THE BCP155 OR OSP155 CARDS
WHEN THE MODULE IS POWERED ON . T HERE IS A STRONG POSSIBILITY OF SEVERE EYE DAMAGE
IF YOU LOOK IN THE END OF A LIT FIBER CABLE OR INTERFACE .
Maintaining the Fan Tray
The chassis comes installed with a fan tray. Periodically, you must clean or replace the fan tray filter.
You should plan to replace the fan filter at least once per year. New filters can be obtained directly from
Carrier Access. To replace the fan filter:
1. Open the front panel of the BROADway chassis. The fan board is located on the left hand side
of the chassis. You will remove the fan board, replace its fan filter, and re-insert the fan board.
WARNING! I T IS IMPORTANT THAT YOU REPLACE THE FAN BOARD WITHIN 30 MINUTES TO
PREVENT THE SYSTEM FROM OVERHEATING . M AKE SURE YOU HAVE THE NEW FAN FILTER ON
HAND BEFORE YOU REMOVE THE FAN BOARD .
2. Remove the fan board using the attached small plastic handle. The fan filter is located on the
left hand side of the fan board.
3. Remove the fan filter (it is attached with Velcro.
4. Attach the new fan filter.
5. Re-insert the fan board.
6. Close the front panel.
Fan Board Fan Filter