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2 • Hardware installation
Installing the power cables—DC Power Supply
This section describes installing the DC power cables to the DC power terminal blocks on the IpDSLAM. Do
not connect the remaining end of the power cables to the DC power source at this time.
Do the following:
1. Connect the earth ground of the DC source to the grounding stud on the IpDSLAM as described in sec-
tion
"Grounding the Model 3224—AC and DC Power Supplies"
2. Remove approximately 1/4-inch of insulation from the end of each wire.
3. Insert the stripped end of the positive lead into the "+DC input" of the terminal block. Tighten the screw
until the power lead is firmly fastened. Repeat the procedure for the negative lead, using the "-DC input"
of the terminal block. Make sure that all strands of the wire are captured and that there is no exposed wire.
4. Repeat steps 1 through 3 to install the remaining DC power connection.
24
The Model 3224 can only be configured with two AC power
supplies or two DC supplies, you cannot mix AC and DC sup-
plies in the same chassis.
The Model 3224 does not have a power switch, so it will acti-
vate upon connection to a power source.
To avoid the risk of injury from electric shock, the power cords
connected to the IEC-320 connectors must be grounded
power cords.
Grounding stud
Figure 8. DC connector, - DC and + DC Input view
Model 3224 G.SHDSL IpDSLAM Installation Guide
- DC input
+ DC input
on page 21.
Cable installation
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