Alcatel Carrier Internetworking Solutions Omni Switch/Router - Manual (Page 56)

Connecting a DC Power Source to an OmniS/R-PS5-DC375
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7. Repeat Steps 4 through 6 for the remaining two wire leads. Be sure that the end of each
lead attaches to the same power source that you connected to on the power supply (i.e.,
negative to negative, positive to positive, ground to ground).