Cabinet maintenance operations 12-13
AccessNode Series 800A Outside Plant Cabinet Installation 323-3001-210 Issue 1.0
Procedure 12-2
Replacing the rectifier
Use Procedure 12-2 through Procedure 12-6 on page 12-28 to replace
rectifiers in an S800A cabinet that is currently carrying traffic. Begin with this
procedure and continue the procedures in sequence until Procedure 12-6 is
completed.
If the rectifiers that are to be replaced are installed in a new installation or in a
cabinet that is not in-service, reference Chapter 10, “Adjusting the rectifier and
the dc distribution shelf” for rectifier installation and adjustment.
Introduction
The Series 800A cabinet can be equipped with up to three NT5C06CA-3
MPR25 25A rectifier modules installed in the NT5C10CE rectifier shelf.
This procedure applies to a system that is equipped with one, two, or three
rectifier modules.
Each rectifier is connected to a separate ac circuit breaker in the ac service
panel.
Each rectifier module has an ac input and dc output circuit breaker on the
faceplate.
The rectifier shelf dc output connects to the RECT input on the NT6C14--
dc distribution shelf.
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.
Documentation references
See NTP 169-2071-500.
Cautions
Prior to performing any rectifier replacement procedures, read each caution
carefully. Important battery and rectifier information is presented here.
—continued—
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