3
8776-A2-GZ40-40
February 2001
Installing TDM SDSL Cards
A Hotwire 8776 TDM SDSL Termination Unit can be installed, removed, and
replaced from a the DSLAM chassis without disrupting service to the other cards
in the chassis.
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Procedure
To install the unit:
1. Determine in which slot the unit will be installed. Verify that cards in adjacent
slots have been fastened.
2. Remove the filler plate from the installation slot.
3. Insert the unit:
— For a Hotwire 8600 Series DSLAM chassis – Hold the Hotwire 8776
TDM SDSL Termination Unit horizontally, with the component side facing
up, and insert it into the left and right card guides.
— For a Hotwire 8800 Series DSLAM chassis – Hold the Hotwire 8776
TDM SDSL Termination Unit vertically, with the component side facing
right, and insert it into the top and bottom card guides.
4. Slide the unit into the slot until the power and network connectors seat firmly
in the mating connectors on the backplane.
CAUTION:
Do not force the unit into the slot. This could damage the backplane
connectors. If the card does not seat properly, remove the card and
reinstall it. If it still does not seat properly, call your service
representative.
The unit performs a power-on self-test. All of the LEDs turn ON and OFF
briefly. When the self-test is completed successfully, the SYSTEM OK LED
begins to pulse.
5. If the LED is not pulsing, refer to Messages and Troubleshooting in the User’s
Guide.
6. Secure the unit by fastening the screws at each end of the faceplate.
