Nortel SONET AccessNode 800A Series Manual page 261

Procedure 10-1 (continued)
Powering the rectifier(s)
Step
5
6
7
8
Table 10-3
RFA LED indication verification
If the ON/RFA LED indication
after 15 seconds is
RED
No LED illumination
Green
AccessNode Series 800A Outside Plant Cabinet Installation 323-3001-210 Issue 1.0
Adjusting the rectifier and the dc distribution shelf 10-9
Action
Switch the dc circuit breaker on the rectifier under test (RECTIFIER 1) to the
ON position (see Figure 10-4 on page 10-10).
Note: The dc circuit breaker on the rectifier must be turned ON before the ac
circuit breaker is turned ON.
In the load center, set the rectifier 1 circuit breaker (CB1) to the ON position.
Switch the ac circuit breaker (RECTIFIER 1) to the ON position.
Note: When the rectifier is initially powered ON, the rectifier OK/FAIL alarm
(ON/RFA) LED illuminates red.
Verify the ON/RFA LED indication by performing the steps in Table 10-3:
—continued—
Then perform these steps
• Turn OFF the dc and ac breakers on the
rectifier.
• Turn OFF the ac breaker in the load center
for the affected rectifier.
• Verify the inrush fuse (F1) and the 220 V ac
input.
– if the fuse and input are correct, replace the
rectifier with a new one.
• Turn ON the ac breaker in the load center for
the affected rectifier.
• Go to step 5.
• Replace the rectifier with a new one.
• Go to step 5.
• Go to Procedure 10-2 on page 10-11.