Paradyne Compshere 3000 Series, Installation Manual

Page: 23 / 103

Installing the Carrier and Assembly Components
3-7 3000-A2-GA31-D0 July 1999
Installing the SDCP Ribbon Cable
NOTE
The SDCP ribbon cable must be
connected to the carrier
backplane before the power
transformer unit and optional fan
module are installed.
Removing power causes loss of
service to all circuit card slots in
the carrier. It is recommended
that you do not perform this
procedure during peak operating
hours.
"
Procedure
1. Select the carrier on which to install the SDCP.
The SDCP can be installed on any carrier in a
cabinet. The most convenient height for the SDCP
is at eye level (the second or third carrier from the
top of the cabinet).
496-14892
P a r a dyn
e
SDCP
Installed at
Eye Level
2. Remove the carrier’s cover plate by unscrewing
the four captive screws.
If the ac power
transformer unit is . . .
Then go
to . . .
Installed Step 3
Not installed Step 6
3. At the rear of the carrier, disconnect the ac power
cord from the carrier. Unscrew the two captive
screws securing the power transformer unit.
P26 P25 P24 P23
P20 P19
J2 P22 J1 P21
P20 P19
496-14804-01
AC
Receptacle
4. Disconnect the two power connectors (P19 and
P20) by pressing the catch on the bottom of each
and pull it free of its mating connector.
5. At the front of the carrier, slide the power
transformer unit straight out and set aside. You
may need another person standing at the rear to
feed the transformer output wires through the
opening in the backplane.