NEC Univerge sv8500 Manual page 2644

7.4 Verifying the Power Cable of the DRU/DAU (except SN885 DRE-B and SN886 DRE-B)
Referring to the figure below, make sure that a short piece of circuiting cable is connected across the 100V/
200V terminals on the power supply in the DRU/DAU. If a short piece of circuiting cable is not connected
across the above-mentioned terminals, connect it.
When the operating voltage to be used is 200V ~ 260V, remove the short piece of circuiting cable connected
Note:
across 100V/200V terminals.
Power Supply
DRU/DAU
Verification of Circuiting Cable Short Piece
(100V/200V)
VOL.3-157
CHAPTER 2 TERMINAL-RELATED DEVICES
Confirm that a short piece is connected here.
(AC) (AC) (FG)
[L] [N]
Power Supply
(-) (+)