Nortel SONET AccessNode 800A Series Manual page 272

10-20 Adjusting the rectifier and the dc distribution shelf
Procedure 10-6
Adjusting load sharing for more than one rectifier
Use this procedure to:
•
•
The Series 800A cabinet accommodates up to three NT5C06CA-3 25 amp
rectifier modules mounted in the NT5C10CE rectifier shelf.
This procedure applies to a system that is equipped with two or three rectifier
modules.
Table 10-10 shows the Nortel Networks recommended rectifier settings for the
optional battery selections.
Table 10-10
Rectifier adjustment settings
High voltage
Battery shutdown
manufacturer (HVSD)
Gates -56.0 ± 0.1
Eagle-Picher -56.0 ± 0.1
Yuasa -56.0 ± 0.1
Documentation references
See NTP 169-2071-500.
Test sets
A voltmeter RMS Fluke 8050A (or equivalent) test set is needed.
Tools required
A screwdriver, slotted, small (0.1-inch width) is required.
AccessNode 323-3001-210 Issue 1.0
perform the load sharing adjustments on the second and third rectifiers in
the cabinet
prepare for the dc distribution shelf adjustments and verification
procedures
Note: For cabinets equipped with more than one rectifier, refer to "Chapter
task list" on page 10-2 for detailed information on which procedures to
perform and when to perform them.
Equalize
(EQL)
-55.5 ± 0.1
-55.4 ± 0.1
-54.0 ± 0.1
Float
(FLT)
-55.0 ± 0.1
-54.7 ± 0.1
-54.0 ± 0.1
—continued—
Low voltage Low voltage
alarm disconnect
(LVA) (LVD)
-47.0 ± 0.1 -43.0 ± 0.1
-47.0 ± 0.1 -43.0 ± 0.1
-47.0 ± 0.1 -43.0 ± 0.1