COMSPHERE ±48 Vdc Central Office Power Unit
Installing the CO Power Unit
If installing an SDCP in the carrier in which you plan to install a CO Power Unit, be sure to install the SDCP ribbon cable that provides power to the SDCP before installing the CO Power Unit. (For instructions on how to install the SDCP ribbon cable, see the SDCP Ribbon Cable Installation section in the COMSPHERE
3000 Series Carrier Installation Manual.)
After installing the CO Power Unit, you can then install the SDCP. (For instructions on how to install the SDCP, see Installing the SDCP section later in this chapter.)
NOTE
Make a ground connection before installing the CO Power Unit. Locate the ground symbol label at the rear of the CO Power Unit. Remove the ground screw next to the label. Attach one end of a ground strap (minimum 18 AWG) and securely fasten the ground screw. Secure the other end of the ground strap to the nearest solid frame ground point (see Step 2).
To install the CO Power Unit:
"Procedure
1.If an air filter is desired, follow the procedure in the Air Filter and Brackets Installation section later in this chapter. Then, return to this procedure and proceed to the next step.
2.At the front of the carrier, place the CO Power Unit on the flanges at the bottom of the carrier (see Figure
If an SDCP ribbon cable has been installed, hold the ribbon cable to the left of the CO Power Unit when sliding the power unit into place against the rear rail of the enclosure. Place the ribbon cable between the power module and the side of the CO power tray (see Figure
Connect the ground strap to the nearest solid frame ground point (e.g., the rails on which the carrier is mounted). Do not connect the ground strap to the carrier.
May 1998 |
