208
Installing the Avaya™ S8700 Media Server with Avaya™ MCC1 or SCC1 Media Gateway
Installing and Wiring Telephone Power Supplies
May 2003
Install the Expanded Power Distribution Unit
A second power distribution unit can be installed to provide power to additional devices.
!
CAUTION:
Total power cannot exceed 275 watts. The maximum ISDN terminal mixture is 24,
7500-series and 24, 8500-series terminals.
The maximum DCP terminal mixture is 24, 7400-series and 24, 8400-series or 64,
8400-series terminals.
The expanded power distribution unit kit contains:
•
One 1146B2 Power Distribution Unit
•
One “T” Cable
•
Two #8-32 x 1/2-in. Shoulder Screws
•
One #8-32 x 1-in. Screw
•
One spacer bracket
‘‘Expanded Power Distribution Unit’’ on page 206
while installing the power
distribution unit.
1
Set the spacer bracket onto the mounting plate and secure with the #8-32 x 1/2-inch
shoulder screws. The spacer bracket is not shown in the figure but is installed behind the
top power distribution unit.
2
Slide the keyhole slots in the power distribution unit over the shoulder screws.
3
Insert the #8-32 x 1-inch screw through the distribution unit, through the spacer bracket,
and into the plate. The mounting hole is located just above the wire clip. Tighten the
screw securely.
4
Set the battery back-up switch to the 1-32 (down) position.
5
Power-down the 1145B2 unit as described on the label on the side of the unit.
6
Remove the output power cable between the 1145B2 and the 1146B2 units. The cable
will not be reused.
Back-Up Battery Rating
Battery
Rating
1148B
2.5 amp-hours
1149B
5 amp-hours
1147B
8 amp-hours
