Lucent Technologies -48V CPS4000/CPS4000 PLUS Cabinet Power System
5 - 34 Installation and Testing Issue 13 December 2000
Initial Start-up and Test, continued
Battery on
Discharge
Note: Disconnect batteries or remove the LVD board for this test.
Battery on Discharge
Step Action
1
Disconnect batteries or remove the LVD board.
2
If the system contains an ES648 control unit, disable the
Boost Mode feature.
3
Verify that the BD threshold is set properly by reducing the
plant voltage below the BD threshold using the V Adj
encoder on the control unit.
4
As the plant primary bus voltage is reduced below the BD
threshold, verify:
• PMJ and BD LEDs light on the [ES646 and ES648A/C]
control unit
• BD LED lights on [ES646B, ES648B/BZ] control unit
• PMJ LED lights on the ES647 control unit
5
Clear these alarms by returning the voltage to 54.5 volts.
Note: If the boost is enabled and ES660C rectifiers are
installed, the voltage will go to 58 volts.
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