Spectracom NetClock 9489 - Page 55

Pinout description, DC connector
Pin B goes to the most positive DC voltage of the DC source. For +12V or +24/48V this would
be the positive output from the DC source. For a -12V or -24/48V
DC
source this would be the
ground or return of the DC source.
Pin A goes to the most negative voltage of the DC source. For +12V or +24/48V this would
be the ground or return output from the DC source. For a -12V or -24/48V
DC
source this
would be the negative output from the DC source.
Pin C goes to the Earth ground of the DC source.
AC/DC Converter
The DC input can be used as a second AC input: As an option, Spectracom offers a kit con
taining an AC/DC converter with a pre-assempled DC connector: The part number for this
adaptor kit is PS06R-2Z1M-DT01.
2.6 Connecting Supply Power
CHAPTER 2 • NetClock User Reference Guide Rev. 16
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