Nortel SONET AccessNode User Manual page 173

Procedure 8-4 (continued)
High voltage shutdown adjustments for replacement rectifiers
Rectifier and battery adjustments and connections
Table 8-1 shows the Nortel Networks recommended rectifier settings for the
optional battery selections.
Table 8-1
Rectifier adjustment settings
Battery
Manufacturer
Johnson Control
Action
Step
1
2
AccessNode Modular Business Package VTBM Ring User Guide P0904244 Issue 1.0
High
Voltage
ShutDown Equalize
(HVSD) (EQL)
–56.0 ± 0.1 –55.5 ± 0.1
Note: Batteries are individually fused on the BEM.
Action
Insert the test leads of the digital voltmeter (DVM) into the test points
(negative to negative, positive to positive).
Note: On the faceplate of the rectifier module are test points labeled outputs
V+ and V– (see Figure 8-4).
Set the EQL/ FLT switch on the rectifier to the FLT position.
Testing the batteries and rectifiers 8-17
Float
(FLT)
–54.5 ± 0.1
—continued—
Low Voltage Low Voltage
Alarm Disconnect
(LVA) (LVD)
–47.0 ± 0.1 –42.5 ± 0.