Avaya 8300 Series Routine Maintenance page 50

Ethernet routing switch
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DC power supply replacement
7. Make sure that the +DC cable is always connected to the positive terminal and the
8. Attach the earth ground lead to the ground stud on the power supply.
50
Routine Maintenance
Either +VDC or –VDC can be referenced to the frame ground for +48 VDC (nominal)
or –48 VDC (nominal) applications.
–DC cable is always connected to the negative terminal.
Danger:
Risk of injury by electric shock
Before you continue with this procedure, ensure that the DC power source is
switched off.
Use the washers in the following order:
• flat washer
• crimp lug
May 2011

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