Fujitsu FLASHWAVE 7500 Installation Manual page 290

CHAPTER 4
ETSI Configuration
Checking Power at Optical/Tributary Shelf
4 Is the DMM measurement between –40 and –57 V DC?
If YES:
Go to Step 5 [p.
If NO:
Report as a trouble item to the installation group and repeat voltage checks after the trouble is
corrected.
Connect the negative DMM test lead to the GB ground terminal on the SIA power strip, and
5
connect the positive DMM test lead to the MAIN B voltage terminal. If required, record the
test results for future reference.
Is the DMM measurement between –40 and –57 V DC?
6
If YES:
Go to Step 7 [p.
If NO:
Report as a trouble item to the installation group and repeat voltage checks after trouble is
corrected.
7 Reinstall the plastic cover over the power strip on the shelf SIA.
8 At the front of the Optical/Tributary shelf, locate the front-panel voltage test points (see
Figure 4-49 [p.
connect the positive DMM test lead to the MAIN A test point.
Is the DMM measurement between –40 and –57 V DC?
9
If YES:
Go to Step 10 [p.
If NO:
Report as a trouble item to the installation group and repeat voltage checks after trouble is
corrected.
At the front of the Optical/Tributary shelf, locate the front-panel voltage test points (see
10
Figure 4-49 [p.
connect the positive DMM test lead to the MAIN B test point.
FLASHWAVE 7500 Release 6.1
4-72
Equipment Installation
Revision 1, June 2009
4-72].
4-72].
4-73]), connect the negative DMM test lead to the G (ground) test point, and
4-72].
4-73]), connect the negative DMM test lead to the G (ground) test point, and
Fujitsu and Fujitsu Customer Use Only
FNC-7500-0061-200
Issue 1, May 2009