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3
Use the DMM set for the ohms function or an ohmmeter to measure the resistance between
frame ground and each of the battery return points (A and B) on the shelf. The reading
should be very close to 0 ohms.
Is the reading close to 0 ohms?
4
If YES:
Continue with
If NO:
Do not continue with
technical assistance, call 1-800-USE-FTAC (800-873-3822).
Swap the DMM or ohmmeter leads between frame ground and battery return, and verify the
5
same reading as described in
This procedure is complete.
FNC-7500-0061-200
Issue 1, May 2009
Revision 1, June 2009
Checking Ground Resistance at the Optical/Tributary Shelf Power Input
Step 5 [p.
3-107].
Step 5 [p. 3-107]
until the voltage source has been eliminated. For
Step 3 [p.
3-107].
Fujitsu and Fujitsu Customer Use Only
CHAPTER 3
Small Configuration
FLASHWAVE 7500 Release 6.1
Equipment Installation
3-107
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